tag:blogger.com,1999:blog-73182677033288091682024-03-12T21:00:39.452-07:00O Nascimento de uma Reprap - Impressora 3DPaulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.comBlogger43125tag:blogger.com,1999:blog-7318267703328809168.post-88597249159777087672014-04-27T14:43:00.003-07:002014-04-27T15:37:21.501-07:00Hotend 3D Machine Aletado<div class="separator" style="clear: both; text-align: justify;">
<span style="font-family: Verdana, sans-serif;">O hotend da 3D Machine, que já era bom, agora ficou melhor ainda, ganhou aletas, com isso sua eficiência melhorou a ponto de permitir o uso com policarbonato e nylon, filamentos que necessitam de temperatura mais alta (260ºC) para extrusão.</span></div>
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<span style="font-family: Verdana, sans-serif;">O Hotend possui um conector de 4 vias (macho e fêmea) e um cabo de 1m para ligação na placa de eletrônica, com outro conector de 2 vias para o termistor. </span><br />
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<span style="font-family: Verdana, sans-serif;">Esta disponível no link abaixo:</span><br />
<span style="font-family: Verdana, sans-serif;"><a href="http://www.3dmachine.com.br/hotend-bico.html">http://www.3dmachine.com.br/hotend-bico.html</a></span></div>
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<span style="font-family: Verdana, sans-serif;">O novo modelo também pode ser utilizado em impressoras que utilizam bowden e sem a necessidade de refrigeração na barreira térmica.</span></div>
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<span style="font-family: Verdana, sans-serif;">Abaixo algumas peças impressas com o novo hotend, utilizando filamento de 3mm e 1,75mm ambos com furo de 0,4mm para extrusão.</span><br />
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Dragão em PLA 1,75mm com 17 cm de altura, camada de 0,25mm</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Arquivo: http://www.thingiverse.com/thing:246198</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">D</span><span style="font-family: Verdana, sans-serif; font-size: x-small;">ragão em ABS 1,75mm com 15 cm de altura, camada de 0,25mm.</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Arquivo: http://www.thingiverse.com/thing:246198</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Lúminária da Pixar em PLA 3mm com 33cm de altura, camada de 0,3mm</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Arquivo: http://www.thingiverse.com/thing:27062</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEje67PNTzA-WKXCJRsO7dFX8NIKoTu0OONI-SWXg0MUW5nBX4s5COSayDnS0WGLH8K17gbm_qd0eZ2foLxTk68hGnCEODIZGBk6FOlB8eCpBSRWgsX5QVxwqCmzpwoley9myKihYmk8zxw/s1600/Casa_perfil.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEje67PNTzA-WKXCJRsO7dFX8NIKoTu0OONI-SWXg0MUW5nBX4s5COSayDnS0WGLH8K17gbm_qd0eZ2foLxTk68hGnCEODIZGBk6FOlB8eCpBSRWgsX5QVxwqCmzpwoley9myKihYmk8zxw/s1600/Casa_perfil.jpg" height="400" width="386" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhumqoJ8lbscToALRpnNknh8J9XPsNI4VjuQONKNkunM4yCplyziPJqmkwvlVTh9lAK6PeKviJDZy6u0RBXB9g6KHXv2tKcDg6yAQjeWRVfidHy3OYqLNcOx4nT0QrXlea7ceJdZxcm1ko/s1600/Casa_aberta.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhumqoJ8lbscToALRpnNknh8J9XPsNI4VjuQONKNkunM4yCplyziPJqmkwvlVTh9lAK6PeKviJDZy6u0RBXB9g6KHXv2tKcDg6yAQjeWRVfidHy3OYqLNcOx4nT0QrXlea7ceJdZxcm1ko/s1600/Casa_aberta.jpg" height="191" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">The Puritan house em ABS 3mm com 14cm de altura, camada de 0,25mm</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Arquivo: http://www.thingiverse.com/thing:31644</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHOcgyqCZ9oAA7x4eEwrhOHJOxcEXS3w-_pT_eL6uxQsADYQq3S0sDBS6yW7ZF-ABXoVqNPFA-oAWZuVHYepC3BebIMAg8Bya9_hX0OtgXecLO0b6UzYyv2yUqYjvnqdlJSoM1ypZQvz4/s1600/3_Vasos_PLA.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHOcgyqCZ9oAA7x4eEwrhOHJOxcEXS3w-_pT_eL6uxQsADYQq3S0sDBS6yW7ZF-ABXoVqNPFA-oAWZuVHYepC3BebIMAg8Bya9_hX0OtgXecLO0b6UzYyv2yUqYjvnqdlJSoM1ypZQvz4/s1600/3_Vasos_PLA.jpg" height="365" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;"> Vasos:</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Transparente e Preto em PLA 1,75mm com 17cm de altura, camada 0,3mm</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Azul em ABS 1,75mm com 15 cm de altura, camada de 0,3mm</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Arquivo: http://www.thingiverse.com/thing:49834</span></div>
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<i><b><span style="font-family: Verdana, sans-serif; font-size: x-small;">Uma curiosidade sobre essa impressão dos vasos, é que a lateral é</span><span style="font-family: Verdana, sans-serif; font-size: x-small;"> composta</span></b></i></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;"><i><b> de um único filamento subindo em espiral desde a base até o topo.</b></i></span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Naves da série Star Trek em PLA 3mm com 17 cm de comprimento, camada de 0,25mm</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Arquivos:</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">http://www.thingiverse.com/thing:193744</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">http://www.thingiverse.com/thing:163748</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">http://www.thingiverse.com/thing:8789</span></div>
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<span style="font-family: Verdana, sans-serif;">Todas as peças foram impressas usando uma <a href="http://www.3dmachine.com.br/prusa-air-montada.html" target="_blank">Prusa Air 3D Machine.</a></span></div>
Leonardo Issohttp://www.blogger.com/profile/11409401012629674002noreply@blogger.com0tag:blogger.com,1999:blog-7318267703328809168.post-28558909785646523042014-02-06T07:35:00.002-08:002014-02-06T07:35:39.433-08:00Facilitando a Impressão 3D<div class="separator" style="clear: both; text-align: center;">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhEYZ_PxauSjp6S40XnHLf52vorde9PRqxy9SYDHpQu9xXMI3NfBiA1caYzqemCTXDel5KtJzY-Ro3Q8gkw2dXWBevMYJQRe4AvwWRFBao9cj9VtKukPdQDJAf7M9C4DVCf_YQhQZAyjEw/s1600/DSCN6213e.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhEYZ_PxauSjp6S40XnHLf52vorde9PRqxy9SYDHpQu9xXMI3NfBiA1caYzqemCTXDel5KtJzY-Ro3Q8gkw2dXWBevMYJQRe4AvwWRFBao9cj9VtKukPdQDJAf7M9C4DVCf_YQhQZAyjEw/s1600/DSCN6213e.JPG" height="276" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Hoje vou dar duas dicas para facilitar a impressão, a primeira dica é como imprimir peças grande com ABS sem <b>descolamento </b>de camadas e sem <b>efeito warp</b>, deixando a peça, mesmo sendo grande, praticamente sem nenhum warp ou muito pouco. A segunda dica é para grudar a peça na mesa de forma fácil e prática.</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-large;"><b>1ª) Dica</b></span></div>
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<span style="font-family: Verdana, sans-serif;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDa3D7am25OERtPhSNnTCAALD1U2OaGio1u4H8ipEo61llbiiRbMjNQ3gbUS9QMWMq70Migkash5GrburGAGYDQxL3o02Zm5FFrJqHTUTR3F5zlL7x1WtCxEu1AAhsm5Iab2mZqjyiOVw/s1600/hollow_box_warp.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDa3D7am25OERtPhSNnTCAALD1U2OaGio1u4H8ipEo61llbiiRbMjNQ3gbUS9QMWMq70Migkash5GrburGAGYDQxL3o02Zm5FFrJqHTUTR3F5zlL7x1WtCxEu1AAhsm5Iab2mZqjyiOVw/s1600/hollow_box_warp.jpg" height="149" width="200" /></a></span></div>
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<span style="font-family: Verdana, sans-serif;">Para quem não sabe o que é o efeito warp, é quando a base da peça deforma os cantos, como pode ser visto na imagem ao lado, isso acontece mais quando a peça é grande, pois o ABS é um material que contrai muito durante o esfriamento da peça.</span></div>
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<span style="font-family: Verdana, sans-serif;">Outra coisa que acontece, quando a peça em ABS é grande, é o descolamento de camadas, pelo mesmo motivo que o efeito warp, ou seja a contração do ABS.</span><br />
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<span style="font-family: Verdana, sans-serif;">Essa contração que o ABS sofre é devido a grande diferença de temperatura da extrusão e a temperatura ambiente, pois a grande maioria da impressoras RepRap são abertas.</span></div>
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<span style="font-family: Verdana, sans-serif;">Eu já sabia que impressoras profissionais são fechadas e a área de impressão é uma mini estufa para que não ocorra o choque térmico e com isso evitar o efeito warp e também o descolamento de camadas, sendo assim resolvi improvisar uma cabine para colocar a impressora dentro e ver se teria diferença nos resultados da impressão com ABS de peças grandes.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg5xLRiLMoLWg3KlUljqlvr1MQgqYAdIh6JpRrDtZ36aB4F_VWnxjojOZK68ITq3zuCHEaka9IyoT1EIV0P3Zq5vOlJi2HVK3YsRyHwjHtwV4DQzPtJ9w5PnBIKGs-H_xcMb8Bgr-YudaI/s1600/cabine.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg5xLRiLMoLWg3KlUljqlvr1MQgqYAdIh6JpRrDtZ36aB4F_VWnxjojOZK68ITq3zuCHEaka9IyoT1EIV0P3Zq5vOlJi2HVK3YsRyHwjHtwV4DQzPtJ9w5PnBIKGs-H_xcMb8Bgr-YudaI/s1600/cabine.jpg" height="249" width="320" /></a><br />
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<span style="font-family: Verdana, sans-serif;">Para improvisar uma cabine, usei uma caixa de papelão com parede dupla, grande o suficiente para caber uma impressora dentro, no caso uma Prusa Air, cortei a porta e coloquei um visor de vidro para acompanhar a impressão, também coloquei um termômetro dentro para verificar a temperatura, não usei nenhum sistema de aquecimento, apenas a própria impressora, com a mesa em 110º C.</span></div>
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<span style="font-family: Verdana, sans-serif;">Para minha surpresa a cabine funcionou melhor do que o esperado, todas as peças impressas nela, independente do tamanho, não apresentaram warp e nem descolamento de camadas, lembrando que testei com ABS, pois o PLA não tem esse problema, o PLA não contrai durante a impressão.</span></div>
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<span style="font-family: Verdana, sans-serif;">A temperatura rapidamente atinge a faixa de 50º C e continua subindo se a caixa ficar totalmente fechada, para controlar a temperatura interna, abri 1 dedo na parte superior da caixa, dessa forma consegui manter a temperatura constante em torno dos 50º C.</span></div>
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<span style="font-family: Verdana, sans-serif;">No vídeo abaixo, vejam a impressora imprimindo dentro da caixa.</span></div>
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dyjQdKy8buB396DIro6Tjz8YNCm_cpZChzrVMGWqY0t9vsl74USOvB5QNCssQgGlo1rhEXYAFZcI-85PscOTA' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div>
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<span style="font-family: Verdana, sans-serif;">Nas imagens abaixo, podemos ver uma caveira dividida em duas peças para serem coladas, com 17 cm de comprimento, além de não apresentar nenhum descolamento de camada, a base não apresentou warp significativo, ou seja, muito pouco para o tamanho da peça. </span></div>
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<span style="font-family: Verdana, sans-serif;">Na última imagem, com as duas partes da caveira juntas, podemos ver uma pequena fenda, menor que 1mm no encaixe do contorno dos olhos, sendo que no encaixe do "nariz", entre os olhos e a parte de traz não tem nenhuma fenda, ou seja o warp no canto dos olhos foi mínimo, menos de 0,5mm em cada peça.</span></div>
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<span style="font-family: Verdana, sans-serif;">Eu já havia tentado imprimir essa mesma caveira, sem cabine, com 75% do tamanho, mas o warp era muito grande, não permitindo um bom encaixe das parte.</span></div>
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<span style="font-family: Verdana, sans-serif;">Portanto, a primeira dica é que "cabinar" a impressora 3D facilita muito a impressão de peças grandes em ABS e minimiza muito o efeito warp, sendo zero o efeito warp na maioria das peças.</span></div>
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<span style="font-family: Verdana, sans-serif;">Mas antes de cabinar a sua impressora, tenha certeza que a eletrônica não vai super aquecer e queimar, no caso da Prusa Air, ela usa uma eletrônica Gen7BR com ventilação e dimensionada para a mesa aquecida de alta amperagem, já imprimiu mais de 60 horas dentro da cabine e não teve nenhum problema com a temperatura elevada.</span></div>
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<span style="font-family: Verdana, sans-serif;">Vendo um resultado tão positivo com a cabine, pretendo iniciar um novo projeto de impressora no formato cubico, facilitando o fechamento da mesma quando necessário para imprimir peças grandes em ABS.</span></div>
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<b style="font-family: Verdana, sans-serif; font-size: xx-large;">2ª) Dica</b></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfPiATpe8xlP9RpcdSpIwkGaqUyFr7FfAp91IjIajkSQ4qsdQdnQFRjwNMw4d17_tq269z36saJOyaccVcg68opbyC_rWxOCDg3QdqUQ1zkL8L2tQsABB4xUJfW5iS9uuL5u0uLAe7Wys/s1600/DSCN6044.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjfPiATpe8xlP9RpcdSpIwkGaqUyFr7FfAp91IjIajkSQ4qsdQdnQFRjwNMw4d17_tq269z36saJOyaccVcg68opbyC_rWxOCDg3QdqUQ1zkL8L2tQsABB4xUJfW5iS9uuL5u0uLAe7Wys/s1600/DSCN6044.JPG" height="240" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Uma das coisas mais chatas é o descolamento da peça da mesa durante a impressão, por muito tempo utilizei a fita de Kapton e mesa em 110ºC, porém com o passar do tempo, o Kapton vai estragando, e perdendo a aderência, precisando ser trocado. Fora isso a superfície da peça fica com marcas das emendas do Kapton.</span></div>
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<span style="font-family: Verdana, sans-serif;">Outra solução é utilizar uma placa de vidro, com cola de PVC espalhada com uma espátula ou pincel, essa forma de imprimir é muito boa, e a peça não costuma descolar, porém, a cola não sai do ABS e se não tiver sido espalhada de forma muito uniforme, o ABS vai ficar manchado.</span></div>
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<span style="font-family: Verdana, sans-serif;">Já tinha lido no forúm brasileiro, RepRapBR que o uso de spray para fixar cabelo funcionava, porém "melecava" tudo, mesmo assim, resolvi fazer o teste, para isso comprei várias marcas diferentes do famoso "laquê", pelo menos era esse o nome que minha mãe chamava.</span></div>
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<span style="font-family: Verdana, sans-serif;">Realmente, a maioria deles meleca tudo, deixa uma camada de cola molhada no vidro (colocado em cima da mesa de impressão), mas o número 1, (Karina) me surpreendeu, ele tem uma diferença dos outros, está escrito na lata "<b>Jato extra seco</b>" e realmente ao passar no vidro, parece que não tem nada, mal se vê a camada de laquê, achei que a peça nem grudaria, mas eu estava enganado, grudou muito bem !! </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhX7a0fxvd7zatuK8h4lM8igblSNdlO_mvhqWDgyruaFsCizHmE892JJHnRUVn14g21HK5FpZZbYjmdv_BJopVS78mteiC5fCbUiQ2-6xzGXfRi14ciFiWaDdjks6tXp3KL4Ftr1LXyaf4/s1600/DSCN6219.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhX7a0fxvd7zatuK8h4lM8igblSNdlO_mvhqWDgyruaFsCizHmE892JJHnRUVn14g21HK5FpZZbYjmdv_BJopVS78mteiC5fCbUiQ2-6xzGXfRi14ciFiWaDdjks6tXp3KL4Ftr1LXyaf4/s1600/DSCN6219.JPG" height="240" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Todas as peças impressas com esse laquê não desgrudaram do vidro até que o mesmo esfriasse, a temperatura da mesa para o ABS permaneceu a de sempre 110ºC, após a mesa esfriar a peça solta sozinha, devido a contração do ABS, e o melhor de tudo, <b>não deixa resíduo aparente na peça</b>, a parte de baixo fica lisinha como se tivesse sido impressa no vidro sem nada, eu acredito que outras marcas com essa característica </span><b style="font-family: Verdana, sans-serif;">Jato extra seco</b><span style="font-family: Verdana, sans-serif;"> também devem funcionar bem.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgR-FN070EdUDdLockXFFIubRulm_2-MtwxjCDNAVPSEJqUZpOix3-yEmwWGoop6m7gs4wPAKrKkHA-8_MMbiXMuUJuRvEC4iaMkV7fOaFieVcA7FaTTca37om_8zacrze8O9v8qg3bEjM/s1600/DSCN6204.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgR-FN070EdUDdLockXFFIubRulm_2-MtwxjCDNAVPSEJqUZpOix3-yEmwWGoop6m7gs4wPAKrKkHA-8_MMbiXMuUJuRvEC4iaMkV7fOaFieVcA7FaTTca37om_8zacrze8O9v8qg3bEjM/s1600/DSCN6204.JPG" height="220" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Testei também com PLA, e o resultado foi o mesmo, com uma diferença, a peça não solta nem depois de esfriar a mesa, pois o PLA não contrai, é preciso usar uma espátula, estilete, alguma coisa para com cuidado descolar a peça, no meu caso de uma placa de vidro sobre a mesa.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhH_3E8inTUmHSHBoCVCjpHLHoplf3o9CFrcKeDn8tk6f0_RLyZWWqdktPvrn3wu3Sm3CUwpLxpG0sTe7mmUnYbv2DDv8iV2UNhqvHsZTps99gLrn2MPyIqbFeEiBQ_uqklCXLvw83bgD0/s1600/DSCN6206.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhH_3E8inTUmHSHBoCVCjpHLHoplf3o9CFrcKeDn8tk6f0_RLyZWWqdktPvrn3wu3Sm3CUwpLxpG0sTe7mmUnYbv2DDv8iV2UNhqvHsZTps99gLrn2MPyIqbFeEiBQ_uqklCXLvw83bgD0/s1600/DSCN6206.JPG" height="184" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Apesar de ser um jato extra seco, recomendo passar o laquê no vidro fora da impressora para evitar de contaminar guias lisas e outras partes com o mesmo, afinal é uma cola. Portanto, prenda o vidro com presilhas de papel em sua mesa aquecida depois de aplicar o laquê nele fora da impressora.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiPYxPrRUAcEoKavyE8AL-lCjzfM3Qz-3guPqEFV6FwHpIQ7-rFlkYWicsKHx323EQENex56CaNXw8dRUWAK1l8wmbHH5vYxba_bUzanRJCyKN5mguvjD6FiTrSHQTW22tESajc3g9u-Rs/s1600/DSCN6208.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiPYxPrRUAcEoKavyE8AL-lCjzfM3Qz-3guPqEFV6FwHpIQ7-rFlkYWicsKHx323EQENex56CaNXw8dRUWAK1l8wmbHH5vYxba_bUzanRJCyKN5mguvjD6FiTrSHQTW22tESajc3g9u-Rs/s1600/DSCN6208.JPG" height="213" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Outra vantagem é a facilidade de retirar o laquê do vidro, apenas passando um pano com álcool. </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgFvpfBNms6aZTbSe6h5hPCdrMTy_cznkBguYl3o0DzL1nAYgenMvU7BJF9lNWIE93BHQnLIzyWvXzSUboxjv1nzyk-p-tjsJ3GDrihs-qpJ4hqO5GpdWy3Qj902b32QHSW2yWlfrZrrp4/s1600/DSCN6209.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgFvpfBNms6aZTbSe6h5hPCdrMTy_cznkBguYl3o0DzL1nAYgenMvU7BJF9lNWIE93BHQnLIzyWvXzSUboxjv1nzyk-p-tjsJ3GDrihs-qpJ4hqO5GpdWy3Qj902b32QHSW2yWlfrZrrp4/s1600/DSCN6209.JPG" height="261" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">O preço de uma lata é menos de R$10,00, sendo que rende muito, pois basta passar uma única mão rapidamente do spray no vidro. Eu gostei muito do resultado, é fácil de aplicar, a peça fica bem firme no vidro mesmo tendo uma área pequena de contato, e não deixa resíduo aparente na superfície da peça.</span></div>
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<span style="font-family: Verdana, sans-serif;">Essas eram as duas dicas para facilitar a impressão 3D que eu queria passar para vocês, até o próximo post.</span></div>
Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com0tag:blogger.com,1999:blog-7318267703328809168.post-44109670825894248242013-12-10T13:04:00.001-08:002014-06-03T08:20:10.351-07:00Filamento 1,75mm<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;">De uns tempos para cá, notei que existe uma tendência em usar o filamento de 1,75mm nas impressoras 3D.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4_WkRaBBhfa2TZxA7lkcgZ3nKs_Vr3d88JE_1siXQcVuox_EQgKJwLrBua6Mi_8X-5BVGDWbLJNtJj2lflvPAEq4MXyKnvHJGBWJRhdVZq9cCI9QaOzkjSXNb1QXJ1xKLcUyrIVcpEOc_/s1600/IMG_20131204_203728b.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4_WkRaBBhfa2TZxA7lkcgZ3nKs_Vr3d88JE_1siXQcVuox_EQgKJwLrBua6Mi_8X-5BVGDWbLJNtJj2lflvPAEq4MXyKnvHJGBWJRhdVZq9cCI9QaOzkjSXNb1QXJ1xKLcUyrIVcpEOc_/s400/IMG_20131204_203728b.jpg" height="300" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif; text-align: justify;">Fiquei curioso em usar esse filamento para poder comparar o desempenho em relação ao de 3mm.</span></div>
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<span style="font-family: Verdana, sans-serif;">Comecei pesquisando o extrusor para essa medida de filamento, pois os extrusores usados para 3mm até servem para o de 1,75, mas não é o mais indicado, o filamento pode "embolar" com mais facilidade devido aos furos a as distâncias entre eles serem bem maiores do que o necessário.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtgkfw5hrJp90gd19HTKfiQy_FgMYDL7QaEjfAcRZI3O5h3Z_yiFOp2yyctt_kL2rEeRtd14iiBkB96iU9eVkPJoe2BNYLHinnTyXANXBzktpNUqPJoqvjwbmTOMwU0THkNksTdRviHgnC/s1600/DSCN5454.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtgkfw5hrJp90gd19HTKfiQy_FgMYDL7QaEjfAcRZI3O5h3Z_yiFOp2yyctt_kL2rEeRtd14iiBkB96iU9eVkPJoe2BNYLHinnTyXANXBzktpNUqPJoqvjwbmTOMwU0THkNksTdRviHgnC/s200/DSCN5454.JPG" height="150" width="200" /></a><span style="font-family: Verdana, sans-serif;">Achei vários modelos de extrusores no Thingiverse, o escolhido foi </span><span style="font-family: Verdana, sans-serif;">DirectDriveNema17v0.6.STL disponivel no</span><span style="font-family: Verdana, sans-serif;"> link abaixo:</span><br />
<span style="font-family: Verdana, sans-serif;"><br /></span><span style="font-family: Verdana, sans-serif;"><a href="http://www.thingiverse.com/thing:42495">http://www.thingiverse.com/thing:42495</a></span><br />
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<span style="font-family: Verdana, sans-serif;">Vídeo de montagem, <a href="http://manuais3dm.blogspot.com.br/2013/11/mini-extrusor-para-filamento-175mm.html" target="_blank"><span style="color: cyan;">neste link</span></a></span></div>
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<span style="font-family: Verdana, sans-serif;">Escolhi esse modelo porque serve na maioria dos carros X que o pessoal usa para os extrusores de 3mm.</span><br />
<span style="font-family: Verdana, sans-serif;"><br /></span><span style="font-family: Verdana, sans-serif;">A principal peça para um bom funcionamento do mini extrusor é o direct drive.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgs159-GfQ1EKcTHCcN45FEu4JdC_4g_qhxq9ja6EJ3tbBwOzIX_mlm_UaD-WFgyM8R-sKuAQ0fjKV7ktq21R_K0Rspxl45_ea1ZaLOJA3Aad-olzS2NdCt8V8YNBXiYG0CYTBZ-KvLSdEH/s1600/DSCN5452.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgs159-GfQ1EKcTHCcN45FEu4JdC_4g_qhxq9ja6EJ3tbBwOzIX_mlm_UaD-WFgyM8R-sKuAQ0fjKV7ktq21R_K0Rspxl45_ea1ZaLOJA3Aad-olzS2NdCt8V8YNBXiYG0CYTBZ-KvLSdEH/s400/DSCN5452.jpg" height="277" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Essa peça vai acoplada diretamente no eixo do motor sem a necessidade de uma redução como acontece com o filamento para 3mm, isso porque o filamento de 1,75mm exige muito menos força para ser extrusado, pode ser comprado aqui <a href="http://www.3dmachine.com.br/extrusores/mini-extrusor-para-filamento-de-1-75-mm.html" target="_blank"><span style="color: cyan;">neste link</span></a>.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbwek0_4tRNa0gUrLsXOOuVHVpd-IcH4JE2AVjlRAXtljWTrdZO8irDLRWvXWCkljzJEA22mVEFzYHcrmrRSuOfYHGa2cxeu1ZrPdIlVERNlOD0GrKoT32k6akd5_hh5-KzaoFZxdGWYig/s1600/kit_ferragens_mini_extrusor.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbwek0_4tRNa0gUrLsXOOuVHVpd-IcH4JE2AVjlRAXtljWTrdZO8irDLRWvXWCkljzJEA22mVEFzYHcrmrRSuOfYHGa2cxeu1ZrPdIlVERNlOD0GrKoT32k6akd5_hh5-KzaoFZxdGWYig/s200/kit_ferragens_mini_extrusor.jpg" height="132" width="200" /></a><span style="font-family: Verdana, sans-serif;">A relação de ferragens usadas para esse extrusor de 1,75mm além do direct-drive acima, é a seguinte:</span></div>
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<span style="font-family: Verdana, sans-serif;">1 Parafuso 1/8" x 2"</span></div>
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<span style="font-family: Verdana, sans-serif;">1 Porca 1/8"</span></div>
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<span style="font-family: Verdana, sans-serif;">2 Porcas 4mm</span></div>
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<span style="font-family: Verdana, sans-serif;">1 Mola de 6,8x15,8mm com fio de 0,8mm </span></div>
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<span style="font-family: Verdana, sans-serif;">2 Parafusos 3x10 mm</span></div>
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<span style="font-family: Verdana, sans-serif;">3 Parafusos 3x25 mm</span></div>
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<span style="font-family: Verdana, sans-serif;">1 Parafusos sem cabeça 3x3 mm</span></div>
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<span style="font-family: Verdana, sans-serif;">2 Parafusos 4x20 mm</span></div>
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<span style="font-family: Verdana, sans-serif;">4 Arruelas 3x6 mm</span></div>
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<span style="font-family: Verdana, sans-serif;">2 Arruelas 4 mm</span></div>
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<span style="font-family: Verdana, sans-serif;">1 Rolamento 626Z</span></div>
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<span style="font-family: Verdana, sans-serif;">1 Eixo 6x16mm</span></div>
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<span style="font-family: Verdana, sans-serif;"><b>Testes com ABS 1,75mm</b></span></div>
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<span style="font-family: Verdana, sans-serif;">O hotend tem basicamente o mesmo design que o usado para filamento de 3mm, mudando apenas os diâmetros dos furos internos. Pode ser comprado <a href="http://www.3dmachine.com.br/hotend-bico/hotend-3dm-para-pla-e-abs-1-75mm.html" target="_blank"><span style="color: cyan;">neste link</span></a></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpl1j9jqVCs3CAlrmPKlfLo1xyu5_OoItgKzIwiN5wZn58Ovbp6mcP6vU_n673nWKC15GWcybgS5Mnt3bLkCalHloD_dSFvw4STa9mEBfeuyjkUBQwBTfRIZhWTsFRLe0aLWWzGifEHWvM/s1600/hotend_peek_1.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: justify;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpl1j9jqVCs3CAlrmPKlfLo1xyu5_OoItgKzIwiN5wZn58Ovbp6mcP6vU_n673nWKC15GWcybgS5Mnt3bLkCalHloD_dSFvw4STa9mEBfeuyjkUBQwBTfRIZhWTsFRLe0aLWWzGifEHWvM/s200/hotend_peek_1.jpg" height="137" width="200" /></a></div>
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<span style="font-family: Verdana, sans-serif;"><span style="font-family: Verdana, sans-serif;">O furo da extrusão mais indicado para ABS continua sendo o 0,4mm, é possível usar furo de 0,3mm, porém é mais difícil</span><span style="font-family: Verdana, sans-serif;"> de extrusar, a velocidade de impressão tem que ser reduzida da mesma forma que quando usamos o filamento de 3mm.</span></span></div>
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<span style="font-family: Verdana, sans-serif;">O resultado final das peças impressas com o filamento de 1,75mm não é significativo em termos de ganho na qualidade de impressão, se a impressora e o fatiador estiverem bem calibrados a qualidade é praticamente a mesma, porém em teoria como o volume de plástico que entra no extrusor é menor permite um controle mais preciso pelo software sobre a extrusão.</span></div>
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<span style="font-family: Verdana, sans-serif;">Abaixo o mini extrusor em funcionamento, para colocar o filamento, é fácil, basta empurrar até a o direct-drive começar a puxar:</span><br />
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dyTheKZThMzRIpabjVt25cwsdFVY56E9hVZyw5RoMBdu0fDG57Unhz-FhDTE9AJlo42J6Vhrn5HnQ72bWbrbw' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div>
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<span style="font-family: Verdana, sans-serif;">Uma das vantagens do mini extrusor, é o seu tamanho reduzido, utilizando dois deles virados de frente um para o outro, é possível montar uma impressora dual extruder, com distância entre os bicos de apenas 20mm, perdendo assim pouca área de impressão, montei uma para testar, utilizando uma Ramps com 5 drivers.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYjDwAg2dllH2OT6cFEJFMmbD6sgUX2NZZjSJgihAG7BTq0g49pv30DYPnBEp7lupyw0_YOMj1aHiywJIXEKQYVD_HXFk1eFbblF7NsMu43TAlwuFZx5q-xr7vTxjn9A7A5hq6fXzhEYc/s1600/2c.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYjDwAg2dllH2OT6cFEJFMmbD6sgUX2NZZjSJgihAG7BTq0g49pv30DYPnBEp7lupyw0_YOMj1aHiywJIXEKQYVD_HXFk1eFbblF7NsMu43TAlwuFZx5q-xr7vTxjn9A7A5hq6fXzhEYc/s400/2c.jpg" height="167" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Portanto o mini extrusor funciona bem utilizando ABS de 1,75 e é inclusive uma boa opção para quem estiver pensando em montar uma Dual extruder, abaixo mais um vídeo mostrando dois mini-extrusores em ação na dual extruder bem na hora que muda de cor.</span></div>
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='540' height='348' src='https://www.youtube.com/embed/9l3u7cPFavM?feature=player_embedded' frameborder='0'></iframe></div>
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<b style="font-family: Verdana, sans-serif;">Testes com PLA 1,75mm</b><br />
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<span style="font-family: Verdana, sans-serif;">Diferente do ABS, o PLA de 1,75mm não se comportou tão bem quanto o ABS, depois de um tempo o PLA começa a amolecer dentro do extrusor, até mesmo antes de entrar na barreira térmica do hotend, quando isso acontece, o filamento dobra e enrosca nas engrenagens, parando a extrusão.</span></div>
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<span style="font-family: Verdana, sans-serif;">Para corrigir esse problema, a solução é simples, basta colocar um Fan de 40x40x10mm bem na frente do mini-extrusor.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGwdKaCMJLgI6eG3ekCEd-iWpBh92U2WI2xZYBWUX1bEEgugZWDpRy2iQi9l0VN9wTibS4sSVfKAfA-C3hcVUu3-NqUx-S89MhoakoWefVWMrawn0l5HpbOtX7fkvqiY68PjhDkSRRxs4/s1600/fan.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGwdKaCMJLgI6eG3ekCEd-iWpBh92U2WI2xZYBWUX1bEEgugZWDpRy2iQi9l0VN9wTibS4sSVfKAfA-C3hcVUu3-NqUx-S89MhoakoWefVWMrawn0l5HpbOtX7fkvqiY68PjhDkSRRxs4/s400/fan.jpg" height="283" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Dessa forma o PLA não derrete antes da hora e a impressão vai até o final sem problemas, porém não recomendo uma dual extruder usando PLA, pois o mesmo escorre muito o tempo todo, e vai manchar a peça, fora isso, a disposição não poderia ser um de frente para o outro como fiz acima para o ABS, pois não teria como colocar o FAN.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiG9TjRFAtIiuiBpqaXjQ9KxS2cwCBPL9vDwl2fL8wOw5kHzqOG1dDxD_866Ks2Z7mV9ZeelxNM0xytLD0KsNAbZg8DLmTh-O0THmvuwIrlj1hOb59jZhvTfUzpW3HoViQ9zDLETzDaHY0/s1600/DSCN5622.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiG9TjRFAtIiuiBpqaXjQ9KxS2cwCBPL9vDwl2fL8wOw5kHzqOG1dDxD_866Ks2Z7mV9ZeelxNM0xytLD0KsNAbZg8DLmTh-O0THmvuwIrlj1hOb59jZhvTfUzpW3HoViQ9zDLETzDaHY0/s400/DSCN5622.JPG" height="382" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">O filamento 1,75mm funciona muito bem com ABS, e é perfeito para quem quer fazer uma dual extruder sem utilizar bawden (extrusor fora do carro X) não necessita de ventilação e imprime com perfeição, porém não se nota diferenças na qualidade final da peça em comparação com o filamento de 3mm.</span></div>
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<span style="font-family: Verdana, sans-serif;">O filamento 1,75 de PLA também funciona bem porém necessita de ventilação forçada no extrusor para evitar que o filamento amoleça antes de entrar no hotend.</span></div>
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<span style="font-family: Verdana, sans-serif;">Uma das vantagens para quem tem impressoras com pouca altura no eixo Z é o ganho de 2cm na área de impressão desse eixo, devido ao tamanho reduzido do extrusor. Outro aspecto positivo é que o mecanismo é bem mais simplificado em comparação com os extrusores para 3 mm que necessitam de redução. O filamento de 1,75mm é em média mais caro que o de 3mm, portanto se você estiver pensando em mudar apenas por causa da qualidade não vale a pena.</span></div>
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<span style="font-family: Verdana, sans-serif;"><b>LINKS:</b></span></div>
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<span style="font-family: Verdana, sans-serif;">Abaixo links para quem quiser adquirir o Kit de mini-extrusor, hotend, direct-drive para filamento de 1,75mm</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;"><a href="http://www.3dmachine.com.br/extrusores/mini-extrusor-para-filamento-de-1-75-mm.html">http://www.3dmachine.com.br/extrusores/mini-extrusor-para-filamento-de-1-75-mm.html</a></span></div>
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<a href="http://www.3dmachine.com.br/hotend-bico/hotend-3dm-para-pla-e-abs-1-75mm.html"><span style="font-family: Verdana, sans-serif; font-size: x-small;">http://www.3dmachine.com.br/hotend-bico/hotend-3dm-para-pla-e-abs-1-75mm.html</span></a></div>
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<span style="font-family: Arial, Helvetica, sans-serif;">Nos próximos links, disponibilizei 2 vídeos com instruções completas de como montar o mini extrusor para filamento de 1,75mm e instalação o mini-ventilador:</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;"><a href="http://manuais3dm.blogspot.com.br/2013/11/mini-extrusor-para-filamento-175mm.html">http://manuais3dm.blogspot.com.br/2013/11/mini-extrusor-para-filamento-175mm.html</a></span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;"><a href="http://manuais3dm.blogspot.com.br/2014/05/como-fixar-o-ventilador-para-mini.html">http://manuais3dm.blogspot.com.br/2014/05/como-fixar-o-ventilador-para-mini.html</a></span></div>
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<span style="font-family: Verdana, sans-serif;">Até o próximo Post.</span></div>
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Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com0tag:blogger.com,1999:blog-7318267703328809168.post-46163495783877835932013-09-04T07:09:00.001-07:002013-09-04T07:09:25.306-07:00Novo Hotend - The best<div style="text-align: justify;">
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<span style="font-family: Verdana, sans-serif;"><b>Apenas 51mm de comprimento total !!!</b></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioloLnzbs80B8RV0bnGq9gTsBGrAqr2sS8lhUmTr5Rp_mmFw-m-QZ3R2u7p4kQhATtGyacP6F1CH0TD9zR8Pl5oa1znJw4BbmxbORDYohZrzZUyaeYh_wbhhlIBwHEyWJrqaURiVXk3w8/s1600/Hotend_peek.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="275" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioloLnzbs80B8RV0bnGq9gTsBGrAqr2sS8lhUmTr5Rp_mmFw-m-QZ3R2u7p4kQhATtGyacP6F1CH0TD9zR8Pl5oa1znJw4BbmxbORDYohZrzZUyaeYh_wbhhlIBwHEyWJrqaURiVXk3w8/s400/Hotend_peek.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Acima o novo Hotend da 3D Machine, barreira térmica em Peek com camisa de PTFE interna e bloco aquecedor/bico usinados em alumínio.</span><br />
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<span style="font-family: Verdana, sans-serif;">Para quem viu as últimas postagens, sabe que eu estava testando um hotend, cuja a barreira térmica era feita de aço inoxidável.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgIcFYL5yZIE8VBHavHY4EUYhLAjqqhEGNJMPA53E1khzed15JlnpM_7re7x_1PKIGK5YP_3gOrgYNd47dbk9tlGel1yY4d1YoFJfilINz8YJZMiwuICD2Ei4uImcy4dT3Gp-V-n_LtQt4/s1600/F-06.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="166" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgIcFYL5yZIE8VBHavHY4EUYhLAjqqhEGNJMPA53E1khzed15JlnpM_7re7x_1PKIGK5YP_3gOrgYNd47dbk9tlGel1yY4d1YoFJfilINz8YJZMiwuICD2Ei4uImcy4dT3Gp-V-n_LtQt4/s320/F-06.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Após muitos testes, desisti de produzi-lo pelos seguintes motivos:</span></div>
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<span style="font-family: Verdana, sans-serif;">1- Ele só funciona com refrigeração forçada, ou seja, é necessário usar um ventilador para resfriar o aço inox, a não ser que a barreira térmica em inox, seja mais comprida e com mais aletas, mas gostaria que fosse bem curto para ganhar altura de impressão no eixo Z da Prusa Air;</span></div>
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<span style="font-family: Verdana, sans-serif;">2- A usinagem do aço inox é mais difícil, e portanto mais cara;</span></div>
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<span style="font-family: Verdana, sans-serif;">3- É complicado fazer um duto de ventilação para resfriar o aço inox, que se acomode embaixo de qualquer carro X.</span></div>
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<span style="font-family: Verdana, sans-serif;">Por esses motivos resolvi testar outros materiais, procurando na internet, acabei no site do <b>J-Head</b>, um hotend cuja a barreira térmica é feita de <b>Peek</b>, um polímero que tem a mesma resistência ao calor que o PTFE (teflon) e com uma integridade estrutural muito alta, permitindo a confecção de roscas, como no aço inox.</span></div>
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<span style="font-family: Verdana, sans-serif;">Para mim, esse material é o melhor de dois mundo, escolhi fazer a versão II da barreira térmica em Peek e o bloco/bico em alumínio/latão para o protótipo.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkHTzvWTXOElinwu3fn_uO347SF6y4T97DiEARynJMQfHlNL8Dj2YoEav3xVN9ubK_FBICrKhazvFuUtadB-ezyxElBvoQAy3tJ59JpJld4qsuI-kTYV30fvmeBYbjYxN5Hin0zyfTOKQ/s1600/IMG_20130815_113810.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="255" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkHTzvWTXOElinwu3fn_uO347SF6y4T97DiEARynJMQfHlNL8Dj2YoEav3xVN9ubK_FBICrKhazvFuUtadB-ezyxElBvoQAy3tJ59JpJld4qsuI-kTYV30fvmeBYbjYxN5Hin0zyfTOKQ/s400/IMG_20130815_113810.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Site do J-Head: </span><a href="http://reprap.org/wiki/J-head"><span style="font-family: Verdana, sans-serif;">http://reprap.org/wiki/J-head</span></a><br />
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<span style="font-family: Verdana, sans-serif;">Assim que montei esse protótipo, iniciei os mesmos testes que havia feito com o Hotend de aço inoxidável:</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhY1uYbRvjW7cOgS2qQNTTG1YDkKKIsk_W6bTwm7BNbv_4eorQGiED1PoYSTDRZ67fVfqx1CLJ-Rc8FRCei6CdWWe1uaSYW9LsBFihhIeCR9EHOn5FHX-V2eWhjKMFCQCjJogYmzfJAe64/s1600/IMG_20130812_215008.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="330" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhY1uYbRvjW7cOgS2qQNTTG1YDkKKIsk_W6bTwm7BNbv_4eorQGiED1PoYSTDRZ67fVfqx1CLJ-Rc8FRCei6CdWWe1uaSYW9LsBFihhIeCR9EHOn5FHX-V2eWhjKMFCQCjJogYmzfJAe64/s400/IMG_20130812_215008.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Coloquei um termistor na parte de cima da barreira térmica feita em Peek e aqueci a parte quente em 250ºC, deixei ligado por horas e o PEEK com o seu baixíssimo coeficiente de transferência térmica, apenas 0,25, não aqueceu a parte de cima, podia segurar inclusive com a mão, ela não chegou nem nos 40º C.</span></div>
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<span style="font-family: Verdana, sans-serif;">Abaixo um gráfico que mostra a temperatura do bico em vermelho e a temperatura da parte superior do Peek em Azul, e sem necessidade de nenhuma refrigeração.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkiTO4DdKhktl_-wzTDprFHENldHpBymZk-V5CgiID2JLCBKWEhT7mv4rHGgcX6Utuf2hAdcL7Ci67Sy8v-mOyiAa_V62_td55D38_lPi5cEoejUWDFgWsKP69_lKKaN2CdRSQDpR2UC0/s1600/peek_test.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="275" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkiTO4DdKhktl_-wzTDprFHENldHpBymZk-V5CgiID2JLCBKWEhT7mv4rHGgcX6Utuf2hAdcL7Ci67Sy8v-mOyiAa_V62_td55D38_lPi5cEoejUWDFgWsKP69_lKKaN2CdRSQDpR2UC0/s400/peek_test.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;"><i>Clique na imagem para ampliar.</i></span></div>
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<span style="font-family: Verdana, sans-serif;">Outra fato que gostei muito é que o comprimento total do hotend, ficou apenas com 51mm, bem mais curto que os modelos anteriores que testei.</span><br />
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<span style="font-family: Verdana, sans-serif;">O produto final, já usinado profissionalmente:</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj15w6-AmYcG0FsrRN0Dwi3lJB54b6bVTHykluE0F9qf44jV8J_7GJ4ubjrwC1P2zGIZZ8W8zHtMbzElJl1A8AoLTVrIhpA0KwHSFqNuZgEEK0_bqXVzpqegRZwf3Mmb3g-RHgIVJptZVE/s1600/Hotend_peek2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="272" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj15w6-AmYcG0FsrRN0Dwi3lJB54b6bVTHykluE0F9qf44jV8J_7GJ4ubjrwC1P2zGIZZ8W8zHtMbzElJl1A8AoLTVrIhpA0KwHSFqNuZgEEK0_bqXVzpqegRZwf3Mmb3g-RHgIVJptZVE/s400/Hotend_peek2.jpg" width="400" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhY1k8CT0-zWppXaX8lXm2VHSLodlqqO1wfNc6pDLH0oeUE6CKuGgGUNlaNH59gMZltBIHDOm60_IIMAFZYrSptiCqzpgonxTFQlk2bdbQSaNvBUwrJ5zJ6__t-TZIWj_AGlXfiMvTb5eY/s1600/Hotend_peek.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="275" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhY1k8CT0-zWppXaX8lXm2VHSLodlqqO1wfNc6pDLH0oeUE6CKuGgGUNlaNH59gMZltBIHDOm60_IIMAFZYrSptiCqzpgonxTFQlk2bdbQSaNvBUwrJ5zJ6__t-TZIWj_AGlXfiMvTb5eY/s400/Hotend_peek.jpg" width="400" /></a></div>
<span style="font-family: Verdana, sans-serif;"><br /></span><span style="font-family: Verdana, sans-serif;">A versão do Hotend J-head da 3D Machine teve algumas alterações:</span><br />
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<span style="font-family: Verdana, sans-serif;">1- Bico mais pontudo;</span></div>
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<span style="font-family: Verdana, sans-serif;">2- Além do parafuso para fixar o cartucho/resistor aquecedor, agora tem mais um parafuso M3 para facilitar a fixação do termistor também;</span></div>
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<span style="font-family: Verdana, sans-serif;">3- colocação de faca na traseira do corpo do bico para que o mesmo nunca vaze.</span></div>
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<span style="font-family: Verdana, sans-serif;">E mais uma novidade, agora os Hotends da 3D Machine são enviados completamente montados e com conector de 4 vias, permitindo uma rápida e fácil troca do hotend quando necessário.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOFwK8_TmEmGiG56NjM9AHjuYchYlg0PIQ0DlNAnL9XEQ5E5Luj1UKyevAgW0xQLhppGHG2rFTh4EdakWu6QpTXbtPMTsOmEOdcksvjxdGW1pPxm26mGJyYPdTVkvZ68RXYoEvQK_vlrg/s1600/DSCN5261.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="161" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOFwK8_TmEmGiG56NjM9AHjuYchYlg0PIQ0DlNAnL9XEQ5E5Luj1UKyevAgW0xQLhppGHG2rFTh4EdakWu6QpTXbtPMTsOmEOdcksvjxdGW1pPxm26mGJyYPdTVkvZ68RXYoEvQK_vlrg/s400/DSCN5261.JPG" width="400" /></a></div>
<span style="font-family: Verdana, sans-serif; font-size: x-small;"> Foto 1</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTcyu_cn53anpRyz9Zv7Q7pkvWtPxw5LgY0VG6-enNHZrbRRUw4Sqppbf_CkWxePdqGwQ4sHWlK84WdlgppJp8NMM6uHUE7coB5QP7rRKsoAw8Hp2AE3n9NrnFR3JgIKlZ_NI9BeK80pY/s1600/DSCN5263.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="166" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTcyu_cn53anpRyz9Zv7Q7pkvWtPxw5LgY0VG6-enNHZrbRRUw4Sqppbf_CkWxePdqGwQ4sHWlK84WdlgppJp8NMM6uHUE7coB5QP7rRKsoAw8Hp2AE3n9NrnFR3JgIKlZ_NI9BeK80pY/s400/DSCN5263.JPG" width="400" /></a></div>
<span style="font-family: Verdana, sans-serif; font-size: x-small;"> Foto 2</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgT0iUvQm1wrcp8PCs3qyyz52MxDB5maLw30oEovVMQzxgi_gduC3OqOipBSETJgoUjCYepEZPgNTERe4msmu43Ku355mIzotBcAIi3ug9etF-Saxxb9lFvJnHASdEV49mcCQyUzybCI2k/s1600/DSCN5270.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgT0iUvQm1wrcp8PCs3qyyz52MxDB5maLw30oEovVMQzxgi_gduC3OqOipBSETJgoUjCYepEZPgNTERe4msmu43Ku355mIzotBcAIi3ug9etF-Saxxb9lFvJnHASdEV49mcCQyUzybCI2k/s400/DSCN5270.JPG" width="400" /></a></div>
<span style="font-family: Verdana, sans-serif; font-size: x-small;"> Foto 3</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh3o4YCeWLxIaWTHe-CvOIVoXRW-g8pgeXRGVz8gY0w9vDGJ3nCbHYnXPdKq1SWE2YLv0bpb7wrDuq5qxMXfu8dkDIN1wPHewmNJ8NhzcskUC2j6zl4GOhqfbEQNUWp0zxvTmlL0eYquoQ/s1600/DSCN5271.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="187" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh3o4YCeWLxIaWTHe-CvOIVoXRW-g8pgeXRGVz8gY0w9vDGJ3nCbHYnXPdKq1SWE2YLv0bpb7wrDuq5qxMXfu8dkDIN1wPHewmNJ8NhzcskUC2j6zl4GOhqfbEQNUWp0zxvTmlL0eYquoQ/s400/DSCN5271.JPG" width="400" /></a></div>
<span style="font-family: Verdana, sans-serif; font-size: x-small;"> Foto 4</span><br />
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<span style="font-family: Verdana, sans-serif;">O bloco aquecedor pode ser montado com resistor de 5W (foto 1 e 2) ou com <a href="http://www.3dmachine.com.br/eletronica-motores/cartucho-aquecedor-40w-12v.html" target="_blank"><span style="color: cyan;">cartucho aquecedor</span></a> de 40w (foto 3 e 4).</span><br />
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<span style="font-family: Verdana, sans-serif;"><b>Configurações disponíveis:</b></span><br />
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<span style="font-family: Verdana, sans-serif;">Para filamento: 1,75mm ou 3mm.</span><br />
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<span style="font-family: Verdana, sans-serif;">Diâmetro do furo de extrusão: 0,3mm; 0,4mm ou 0,5mm.</span><br />
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<span style="font-family: Verdana, sans-serif;">O novo Hotend foi bem testado e aprovado pela 3D Machine, veja exemplo abaixo:</span><br />
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='540' height='348' src='https://www.blogger.com/video.g?token=AD6v5dxkEkD2jupPUeuNsimIhZ4_YYe_4wj7sEvY2qtaQd5ESvKsJs5-FtYkmCeVNoD5bq80yhR4MxhxltQVjjNygQ' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiL-i1YE7b9R-CQJebkhLCvpJ9kycslBxAjrD0obHU5393fBtYFqXpOZPi3lIC_AY75RUgiOlCQoz7rgyXcCGcC2CDGYS6pq4eyg-P7Co33Q-rEiB3d1uKBLjkIgfUd0qhs00eIiS6iwUk/s1600/IMG_20130817_200728.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiL-i1YE7b9R-CQJebkhLCvpJ9kycslBxAjrD0obHU5393fBtYFqXpOZPi3lIC_AY75RUgiOlCQoz7rgyXcCGcC2CDGYS6pq4eyg-P7Co33Q-rEiB3d1uKBLjkIgfUd0qhs00eIiS6iwUk/s400/IMG_20130817_200728.jpg" width="400" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgVBG1XpvVuYQzvfO8EZhrvhHKE2C4rxRLngqzwKJs960mURYzV8zP38uzoZLcY9WOJhju9xx_EWgX6F1mp43xQa6E1lJWL2zwemAAHkK_xD11jtnxR9sqjB-UIHWUFqa0kqL9a93zyyfk/s1600/IMG_20130817_200130.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgVBG1XpvVuYQzvfO8EZhrvhHKE2C4rxRLngqzwKJs960mURYzV8zP38uzoZLcY9WOJhju9xx_EWgX6F1mp43xQa6E1lJWL2zwemAAHkK_xD11jtnxR9sqjB-UIHWUFqa0kqL9a93zyyfk/s400/IMG_20130817_200130.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Se você gostou desse hotend, saiba que o mesmo pode ser adquirido no link abaixo:</span><br />
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<span style="color: cyan; font-family: Verdana, sans-serif;"><a href="http://www.3dmachine.com.br/hotend-bico.html">http://www.3dmachine.com.br/hotend-bico.html</a></span></div>
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Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com2tag:blogger.com,1999:blog-7318267703328809168.post-56356795042031123712013-07-08T16:13:00.002-07:002013-07-14T07:02:10.831-07:00Novo Iron Hotend - Duto de Ventilação<div class="separator" style="clear: both; text-align: center;">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixru7UwV8sGou-_TUamCsZ_83sG9JcfTkjmWRi60vtsZ0FvHH6rsUI59-cgwmAkxdbRpyzbuC72ZpjT9MxWuOYqu2_CYZXEuilTeo_3bHujsnGK5v3euq3sq84TxAR469Ez_A6ONnenE0/s1600/F-00.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="143" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixru7UwV8sGou-_TUamCsZ_83sG9JcfTkjmWRi60vtsZ0FvHH6rsUI59-cgwmAkxdbRpyzbuC72ZpjT9MxWuOYqu2_CYZXEuilTeo_3bHujsnGK5v3euq3sq84TxAR469Ez_A6ONnenE0/s200/F-00.jpg" width="200" /></a><span style="font-family: Verdana, sans-serif;"></span><br />
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<span style="font-family: Verdana, sans-serif;">Agradeço ao Tiago Peixoto, membro do grupo de estudo <a href="https://groups.google.com/forum/#!forum/boteco3d" target="_blank">Boteco3D</a>, que fez o desenho do duto de ventilação para ser usado com um ventilador de 30x30x10cm, o desenho da peça foi feito no Google Scketchup.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_-BPv2hW4Y722nz4DTGc-2IM39g0QUb1y4obAiQbMpMia88rBzfCn3DcmsZHBSl25TL5TewjgQxDBMOCcM8W5mw9W-FYZqGGMKF2u2gwEHdPm4188E65CR-om9L1Lymw2LIkW3U8HFbU/s1600/IMG_20130706_173831.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="291" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_-BPv2hW4Y722nz4DTGc-2IM39g0QUb1y4obAiQbMpMia88rBzfCn3DcmsZHBSl25TL5TewjgQxDBMOCcM8W5mw9W-FYZqGGMKF2u2gwEHdPm4188E65CR-om9L1Lymw2LIkW3U8HFbU/s400/IMG_20130706_173831.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif; text-align: justify;">Abaixo, mais algumas fotos para vocês verem como ficou.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdgX2fdR6sI1dwB-xLdQ1Uas-Exh7azxYzAoaN3tb0Xy8zG6Y8eDMuS9999i187S9K0NDv1GtXnXL-7QAwEEq0zcIzQiM3xSkucqOqIU_Xp5EmnKh_qud6II5HsPfxIpGI72UCSpOi8k4/s1600/F-01.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="179" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdgX2fdR6sI1dwB-xLdQ1Uas-Exh7azxYzAoaN3tb0Xy8zG6Y8eDMuS9999i187S9K0NDv1GtXnXL-7QAwEEq0zcIzQiM3xSkucqOqIU_Xp5EmnKh_qud6II5HsPfxIpGI72UCSpOi8k4/s320/F-01.jpg" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgFjJxg5vVCAjR9XHH-dLRsAyN5nV-gyxAP0-uZVdLdgiSkj7PxSXvhNrfots38FlyH892LZ1MXQIR5xjQm05of-5zG6liCCl2DPCxseKTFSpvY8FJ8yNSV2MMv2uFilPU2c3MesnCHs8g/s1600/f-03.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em; text-align: center;"><img border="0" height="220" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgFjJxg5vVCAjR9XHH-dLRsAyN5nV-gyxAP0-uZVdLdgiSkj7PxSXvhNrfots38FlyH892LZ1MXQIR5xjQm05of-5zG6liCCl2DPCxseKTFSpvY8FJ8yNSV2MMv2uFilPU2c3MesnCHs8g/s320/f-03.jpg" width="320" /></a><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_MQNyvIkSAPOfhyzhk7o5LW0qjIwvDd9C7NsBb2J6RcqEKwj59keMWGhd-5S4REup3UJJrNxaFfrNwJ6hELOLrjXF-uE4Oy1YONJpgx6jB8JXSZASt9Qoh2HcrUoCXpmCjcR6AQrhKnw/s1600/F-02.jpg" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em; text-align: justify;"><img border="0" height="211" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_MQNyvIkSAPOfhyzhk7o5LW0qjIwvDd9C7NsBb2J6RcqEKwj59keMWGhd-5S4REup3UJJrNxaFfrNwJ6hELOLrjXF-uE4Oy1YONJpgx6jB8JXSZASt9Qoh2HcrUoCXpmCjcR6AQrhKnw/s320/F-02.jpg" width="320" /></a><span style="font-family: Verdana, sans-serif; text-align: justify;"></span><br />
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<span style="font-family: Verdana, sans-serif;">Como o ventilador de 30x30mm cabe entre as guias lisas, coloquei o duto nesse local, fixado abaixo do carro X, do mesmo lado do motor do extrusor, assim não atrapalha em nada.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKj9sqVeJud72xRq-gyW8pimqQ5TQQhT5M7NhIElzUVKNXgeCeewQNOl4mfKefIbD_7ts_iMalstlaCfxVUfcjxj9YH9ZaSmN-Eh9-Ypi8ISxvcVK0D6w7KNEpzbCouxSlH2yRBh9up9M/s1600/f-04.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em; text-align: justify;"><span style="font-family: Verdana, sans-serif;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKj9sqVeJud72xRq-gyW8pimqQ5TQQhT5M7NhIElzUVKNXgeCeewQNOl4mfKefIbD_7ts_iMalstlaCfxVUfcjxj9YH9ZaSmN-Eh9-Ypi8ISxvcVK0D6w7KNEpzbCouxSlH2yRBh9up9M/s320/f-04.jpg" width="320" /></span></a><span style="font-family: Verdana, sans-serif;"> Notem na imagem da direita, que o ar do duto passa apenas pelas aletas da barreira térmica.</span></div>
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<span style="font-family: Verdana, sans-serif;"><b>Teste do toque:</b></span></div>
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<span style="font-family: Verdana, sans-serif; text-align: justify;">No vídeo abaixo, testei o aquecimento da barreira térmica com o próprio dedo, uma vez que a temperatura é suportável</span><span style="font-family: Verdana, sans-serif; text-align: justify;"> ao toque, significa que está bem abaixo do necessário para o correto funcionamento da barreira.</span></div>
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dymKGiTQ-C0u7ZGJP8qyWPMrQw9HRRpNqBLW-Nk01Jd3m-VJtUgvgiyHace_9XFL4QMUjvVvrq58gqO36o8OQ' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div>
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<span style="font-family: Verdana, sans-serif; text-align: justify;">Este final de semana aproveitei para imprimir várias peças, afim de testar ao máximo o desempenho do Iron Hotend, até agora sem problemas, abaixo o final de mais uma impressão.</span><br />
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dzpQbbkHiLwDqKxPFXMJ147SdefXODMm5AujWeIxTsb-el3g6DqLjcshfd1TN4M8B53ogVhsduf4ODVMt6IiQ' class='b-hbp-video b-uploaded' frameborder='0'></iframe></div>
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<span style="font-family: Verdana, sans-serif;">Estou muito satisfeito com o desempenho do Hotend de aço inoxidável utilizando a ventilação forçada, pois ela se mostrou mais eficiente do que eu imaginava, mesmo sendo um ventilador tão pequeno. Essa ventilação permite ao hotend alcançar temperaturas muito perto dos 300ºC o que vai de encontro com a possibilidade de usar novos materiais com as impressoras 3D, como o <b>N</b></span><span style="font-family: Verdana, sans-serif; text-align: center;"><b>ylon </b>e o <b>P</b></span><span style="font-family: Verdana, sans-serif; text-align: center;"><b>olicarbonato</b>, mas isso só os testes futuros poderão confirmar.</span></div>
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Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com2tag:blogger.com,1999:blog-7318267703328809168.post-63703799418630477922013-07-03T17:19:00.000-07:002013-07-14T07:01:44.488-07:00Novo Iron Hotend - Testes Preliminares<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;">Após a finalização do protótipo da Prusa Air, tenho me dedicado a produção de peças para os kits da Mendel e da Air, imprimindo peças e mais peças, todos os dias com as impressoras trabalhando a todo vapor.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEigkX0PzaiNZ7eJ-BQmcs6IeLsUAcDhc5zSJ85c3BVmH5lxZOHoMbFPFBu-2aPQE0LWL7tvMPA9ERxjADVuyNU5lozNN_B-3f8-WO24nahsC5TfSoXkiksa8t6RY6IWF-BvlpswpgBvdUI/s900/IMG_20130703_181907.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="217" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEigkX0PzaiNZ7eJ-BQmcs6IeLsUAcDhc5zSJ85c3BVmH5lxZOHoMbFPFBu-2aPQE0LWL7tvMPA9ERxjADVuyNU5lozNN_B-3f8-WO24nahsC5TfSoXkiksa8t6RY6IWF-BvlpswpgBvdUI/s400/IMG_20130703_181907.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif; text-align: justify;">Em paralelo a atividade de produção de Kits, iniciei a criação de vídeos manuais mais detalhados possíveis em português para facilitar a montagem dos Kits que distribuímos</span><span style="font-family: Verdana, sans-serif; text-align: justify;">, esses manuais estão em um novo blog, todos os vídeos foram gravados em Full HD para melhor visualização:</span></div>
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<a href="http://manuais3dm.blogspot.com.br/"><span style="font-family: Verdana, sans-serif;">http://manuais3dm.blogspot.com.br/</span></a></div>
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<a href="http://manuais3dm.blogspot.com.br/" target="_blank"><img border="0" height="226" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEir0qtUrJkC-wcR27e96vyCFBYveNWmGqj9ueQwpk6E8aosEr6FHx8U5BFqPlo01_BlLb798MSzb4WrbBMYaUc4OVDg4K3mp6XJpl_AXbyFGtJ73Gvwl9TMk0lMJXaOlt9EltslnQfAsx8/s400/F-00a.JPG" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Por esse motivo, não tinha novidades para postar aqui no blog de pesquisa e desenvolvimento até hoje.</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: large;"><b>Novo Hotend de aço inoxidável - Iron Hotend.</b></span><br />
<span style="font-family: Verdana, sans-serif; font-size: large;"><b>(Para filamento de 3mm)</b></span></div>
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<span style="font-family: Verdana, sans-serif;">A alguns meses atrás o Renato Parisotto, membro atuante no grupo de estudo <a href="https://groups.google.com/forum/#!forum/boteco3d" target="_blank">Boteco3D</a>, amigo e cliente da 3DMachine, apareceu aqui na minha oficina com peças muito bem usinadas em aço inoxidável e latão, ele estava desenvolvendo um novo hotend e gostaria que eu fizesse alguns testes.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXk_BHHZ2VTAm-lILwOFYu6p2e51O6_ngUYutM1UGd-MTwWDFbYQQuy_t0ENHpKbZqCvsTurRYH0UKRlYjNLV8gmL27vHrhtrWP2d7YqfGxkpo3lxTJ8bui0KCsXcTrpFSHGO3iF4JCu4/s593/F-01.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXk_BHHZ2VTAm-lILwOFYu6p2e51O6_ngUYutM1UGd-MTwWDFbYQQuy_t0ENHpKbZqCvsTurRYH0UKRlYjNLV8gmL27vHrhtrWP2d7YqfGxkpo3lxTJ8bui0KCsXcTrpFSHGO3iF4JCu4/s320/F-01.JPG" width="320" /></a><span style="font-family: Verdana, sans-serif;"></span></div>
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<span style="font-family: Verdana, sans-serif;">A barreira térmica era de aço inoxidável aletada, usando uma camisa de teflon por dentro com 6mm de diâmentro externo e 3,2mm interno, o corpo do bico e bloco aquecedor para 2 resistores, eram de latão e os bicos furados a laser com altíssima precisão, eram de aço inoxidável também, com furos de 0,1mm, 0,2mm, 0,3mm, 0,4mm, 0,5mm, 0,6mm e 0,7mm.</span></div>
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<span style="font-family: Verdana, sans-serif;">Por falta de tempo, não testei o conjunto gentilmente fornecido pelo Renato e acabei engavetando as peças por meses, mesmo porque o hotend RepRapBR/3DMachine funciona muito bem.</span></div>
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<span style="font-family: Verdana, sans-serif;">O único detalhe que me incomoda no hotend RepRapBR / 3DMachine é que a barreira térmica de teflon é usada como uma peça estrutural no conjunto e o teflon não é um material muito indicado para essa função por ser um pouco mole, não permitindo o uso de rosca e por isso usa muitas peças adicionais, dificultando a montagem do mesmo, pois se o teflon e o latão não forem perfeitamente alinhados, ele pode vazar com o tempo e por esse motivo, todos são enviados montados.</span></div>
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<span style="font-family: Verdana, sans-serif;">Independente disso o Hotend </span><span style="font-family: Verdana, sans-serif; text-align: justify;">RepRapBR/3DMachine </span><span style="font-family: Verdana, sans-serif;">continua em produção, funcionando muito bem, todas as impressoras da 3DMachine usam esse Hotend, o qual imprime por muitas horas por dia sem apresentar nenhum problema ou vazamentos, usando bicos de 0,35mm a 0,6mm, imprimindo peças com excelente qualidade.</span></div>
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<span style="font-family: Verdana, sans-serif;"><b>Mas em um processo de melhoria continua, identifiquei alguns pontos que podem ser melhorados no Hotend atual, são eles: </b></span></div>
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<span style="font-family: Verdana, sans-serif;">1-Alta integridade estrutural em todas as peças;</span></div>
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<span style="font-family: Verdana, sans-serif;">2-Facilidade para montar, sem necessidade de alinhamentos;</span></div>
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<span style="font-family: Verdana, sans-serif;">3-Facilidade de desmontar para limpeza;</span></div>
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<span style="font-family: Verdana, sans-serif;">4-Mais curto para ganhar mais altura no eixo Z; </span></div>
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<span style="font-family: Verdana, sans-serif;">5-Trocar apenas o bico (0,5 ou 0,3, etc.) sem desmontar o resto.</span></div>
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<span style="font-family: Verdana, sans-serif;">6-Aprova de vazamentos;</span></div>
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<span style="font-family: Verdana, sans-serif;"><span style="font-size: large;"><b>Por que Aço Inoxidável ?</b></span></span></div>
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<span style="font-family: Verdana, sans-serif;">Eu já tinha visto na internet, em sites gringos, muitos modelos de Hotends, cuja a barreira térmica era feita com aço inoxidável, material esse que garante a integridade estrutural do conjunto, fora isso a condutividade térmica desse material é uma das mais baixas para os metais, de apenas 15,9 k. Para se ter uma ideia da diferença, veja a tabela abaixo:</span></div>
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<span style="font-family: Verdana, sans-serif;">Prata = 428 k</span></div>
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<span style="font-family: Verdana, sans-serif;">Cobre = 398 k</span></div>
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<span style="font-family: Verdana, sans-serif;">Ouro = 315 k</span></div>
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<span style="font-family: Verdana, sans-serif;">Alumínio = 247 k</span></div>
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<span style="font-family: Verdana, sans-serif;">Latão = 120 k</span></div>
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<span style="font-family: Verdana, sans-serif;"><b>Aço Inoxidável 15,9 k</b></span></div>
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<span style="font-family: Verdana, sans-serif;">Teflon = 0,25 k</span></div>
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<span style="font-family: Verdana, sans-serif;">Baquelite = 0,15 k</span></div>
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<b style="font-family: Verdana, sans-serif; font-size: x-large; text-align: left;">Modificação das peças:</b></div>
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<span style="font-family: Verdana, sans-serif;">O Renato já tinha me alertado que nos testes dele, o bico de aço inoxidável não funcionava bem, acredito que devido a baixa condutividade térmica, por isso fiz a </span></div>
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<b style="font-family: Verdana, sans-serif;">Primeira alteração:</b></div>
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<span style="font-family: Verdana, sans-serif;">Usinar bicos de latão com furos de vários diâmetros diferentes.</span></div>
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<span style="font-family: Verdana, sans-serif;"><b>Segunda modificação:</b></span></div>
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<span style="font-family: Verdana, sans-serif;">Diminuir o bloco aquecedor para usar apenas 1 resistor de 5w - 6R8 igual ao outro hotend.</span></div>
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<span style="font-family: Verdana, sans-serif;"><b>Terceira modificação:</b></span></div>
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<span style="font-family: Verdana, sans-serif;">Retirar a rosca da parte superior da barreira térmica e refazer o pescoço dessa área igual a barreira de teflon do hotend atual, para encaixar no extrusor de maneira padrão, seja com o uso de parafusos laterais ou base de metal.</span></div>
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<span style="font-family: Verdana, sans-serif;"><b>Quarta modificação:</b></span></div>
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<span style="font-family: Verdana, sans-serif;">Abrir o furo do corpo do bico para 3,5mm, estava com 3,2mm.</span></div>
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<span style="font-family: Verdana, sans-serif;">Por dentro da barreira térmica de aço inoxidável passa um tubo de teflon com 6mm de diâmetro externo e 3,2mm de furo para passagem do filamento, ele tem praticamente todo o comprimento da peça de inox, menos 2mm em cada ponta.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkyJch8Ov4tuIH7T6hvXvuvk57XQTNl5-mbTIqFNN-EMGQ0GhphhbAxjbGexYIjQVMSwoz2mdUEN6FalDG7acEoT6FReMDrMbFYDPz1M7YQvAbVKkHuej-2SMXVCq4oG-BiaYpIrspD5I/s600/F-03.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkyJch8Ov4tuIH7T6hvXvuvk57XQTNl5-mbTIqFNN-EMGQ0GhphhbAxjbGexYIjQVMSwoz2mdUEN6FalDG7acEoT6FReMDrMbFYDPz1M7YQvAbVKkHuej-2SMXVCq4oG-BiaYpIrspD5I/s320/F-03.jpg" width="320" /></a></div>
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<b style="font-family: Verdana, sans-serif; font-size: x-large;">Montagem do Bloco Aquecedor:</b></div>
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<span style="font-family: Verdana, sans-serif; text-align: justify;">O corpo do bico e o furo por onde ele passa tem agora uma rosca de 6mm para sua fixação, isso permitiu fazer um bloco menor. Outra modificação, foi colocar um parafuso M3 que serve para prender o termistor e ao mesmo tempo travar o resistor no lugar, facilitando a montagem, pois os componentes</span><span style="font-family: Verdana, sans-serif; text-align: justify;"> ficam firmes no lugar.</span></div>
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<span style="font-family: Verdana, sans-serif;">Não dispensei o uso de fita de teflon para fazer o isolamento térmico do bloco aquecedor, esse novo layout facilitou muito o ato de "mumificar" o bloco.</span></div>
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<span style="font-family: Verdana, sans-serif;">Para quem não sabe, isso evita que o bloco irradie calor para a peça que esta sendo impressa e também faz o bloco aquecer de forma mais eficiente.</span></div>
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<span style="font-family: Verdana, sans-serif;">Adicionei um conector de 4 vias para facilitar a troca do Hotend.</span></div>
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<span style="font-family: Verdana, sans-serif;"><span style="font-size: large;"><b>Testes Preliminares:</b></span></span></div>
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<span style="font-family: Verdana, sans-serif;"><b>1º) Teste - aquecimento sem ventilação forçada.</b></span></div>
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<span style="font-family: Verdana, sans-serif;">C</span><span style="font-family: Verdana, sans-serif;">onectei o </span><b style="font-family: Verdana, sans-serif;">Iron Hotend</b><span style="font-family: Verdana, sans-serif;"> na minha velha Prusa Air, fora do extrusor e fixei um termistor extra na lateral superior do inox, liguei esse termistor na entrada da mesa aquecida, assim posso monitorar graficamente o aquecimento da parte superior do inox, pois essa é parte que encaixa na base do extrusor.</span></div>
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<span style="font-family: Verdana, sans-serif;">Liguei o Hotend e defini a temperatura de 230º C, fiquei surpreso como subiu rápido a temperatura, levou apenas 1 minuto para atingir 230º C usando <b>apenas um resistor de 5w</b> (6R8). No gráfico abaixo podemos ver na linha azul (onde marcaria a aquecimento da mesa) a temperatura da parte superior do inox (barreira térmica), vejam que demorou 15 minutos para atingir 80 º C.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEid_uOlhX8oOk5CicqHMCJcQbxCwhNI-2s4rEXNVAib15ZJEgFG3zUrjtA_rra2dfMgv6QoD57GgVKLk1xQXavCHPyHYYMFQxARqvwcyJyj5EdT3kCtE5cHXadEW9-5UdRgC-2hwjm6ifM/s1280/F-07A.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="250" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEid_uOlhX8oOk5CicqHMCJcQbxCwhNI-2s4rEXNVAib15ZJEgFG3zUrjtA_rra2dfMgv6QoD57GgVKLk1xQXavCHPyHYYMFQxARqvwcyJyj5EdT3kCtE5cHXadEW9-5UdRgC-2hwjm6ifM/s400/F-07A.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Depois de quase 1 hora, a temperatura da parte superior do inox estava se mantendo perto dos 90º C com o bico em 230º C.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEighR_rJVqFYeIlI57f11AIrbxhz5it6wpMBuzGJVC2q-gyG1x2hVdwrB-axwaiaX85WY3SUCLRYW_Jlg45-mMJYYGuMbGat1Y5Q-ih9s1W06oYLMoNETAEhHGOUyuLf1GG3LTkODeZeic/s1280/F-07B.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="250" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEighR_rJVqFYeIlI57f11AIrbxhz5it6wpMBuzGJVC2q-gyG1x2hVdwrB-axwaiaX85WY3SUCLRYW_Jlg45-mMJYYGuMbGat1Y5Q-ih9s1W06oYLMoNETAEhHGOUyuLf1GG3LTkODeZeic/s400/F-07B.jpg" width="400" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgIYhcT9GL9DUtWROCO3ISoD9MTNJxZj1S1-Tx2K3RWVU-i2EomTBWYcSAJLwthMlP9WRNTRbXuy5yiNVoCV1p6q0Vit-vHmbGMfC_N8kV8nqseXflBsvl2rOYMCSpeWBA0cnFrhxf6r70/s800/F-08.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgIYhcT9GL9DUtWROCO3ISoD9MTNJxZj1S1-Tx2K3RWVU-i2EomTBWYcSAJLwthMlP9WRNTRbXuy5yiNVoCV1p6q0Vit-vHmbGMfC_N8kV8nqseXflBsvl2rOYMCSpeWBA0cnFrhxf6r70/s200/F-08.JPG" width="200" /></a><span style="font-family: Verdana, sans-serif;"> Subi a temperatura do bico para 250º C e coloquei um pregador de roupa para melhorar a leitura do termistor que estava encostado na parte superior do inox, vejam que a linha azul parou de oscilar.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEYVm0vo7DuSThlN33lsTJAkWxJ45vpY_bW-GDMl3NKuFoGrRoVQFGVRucJPnCfFYwOdzJznU0XyumZX5Oq9Ymh1SEi4MCClsWZ-95jwDj0BNsnK7qPi3NObNZpNcrhQbrTcfy_LE2shY/s834/F-08A.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="255" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEYVm0vo7DuSThlN33lsTJAkWxJ45vpY_bW-GDMl3NKuFoGrRoVQFGVRucJPnCfFYwOdzJznU0XyumZX5Oq9Ymh1SEi4MCClsWZ-95jwDj0BNsnK7qPi3NObNZpNcrhQbrTcfy_LE2shY/s400/F-08A.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Após 2 horas com o Hotend ligado e definido em 250º C a parte superior do inox atingiu 99ºC e se manteve assim, essa temperatura é muito alta para ficar em contato direto com a base de plástico do extrusor, fora isso, o ABS dentro da barreira térmica pode expandir e travar, entupindo o sistema, portanto, vamos ao segundo teste.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmbbMWhm7CVpCOK_vZmKvqCgq0uq2muyXpjy53PAz93pstvCPHZXx_gm3esaW32FjTuQS0UXrhs_YNY9HpJgLpHEsbtmwkOIZpri8Imeh5PpXL6s-WkS3O2AE1qjYjFN4_zj4Os3mpoX8/s800/F-08c.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmbbMWhm7CVpCOK_vZmKvqCgq0uq2muyXpjy53PAz93pstvCPHZXx_gm3esaW32FjTuQS0UXrhs_YNY9HpJgLpHEsbtmwkOIZpri8Imeh5PpXL6s-WkS3O2AE1qjYjFN4_zj4Os3mpoX8/s400/F-08c.JPG" width="400" /></a></div>
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<b style="font-family: Verdana, sans-serif;">2º) Teste - aquecimento com ventilação forçada.</b></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjsxFGheQEA2xsvpBPjM5VvNMhhoKXGMjMdg8p_C9nYS2QZKuNmlmaGXanmVF2jfN0QlIU25iDixWWsEMqtKBOXe_d9xreVSFO6A7dfRaPDlkifdGi9y4SwEkicKE2XPQXfmDhOu6At0Fs/s540/duto.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjsxFGheQEA2xsvpBPjM5VvNMhhoKXGMjMdg8p_C9nYS2QZKuNmlmaGXanmVF2jfN0QlIU25iDixWWsEMqtKBOXe_d9xreVSFO6A7dfRaPDlkifdGi9y4SwEkicKE2XPQXfmDhOu6At0Fs/s200/duto.jpg" width="168" /></a><span style="font-family: Verdana, sans-serif;"> Para realizar o segundo teste, precisava instalar um ventilador para </span><span style="font-family: Verdana, sans-serif;">refrigerar as aletas da barreira de aço inox. O Thiago Peixoto, também membro do grupo de estudo RepRapBR já havia feito um duto de ar para essa finalidade e enviou os arquivos prontamente para mim, porém vou ter que editar o arquivo devido a diferença de comprimento total do Iron Hotend.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEVkKaBzw7Es6-xiBd-ErCsPWTTMui54cGljZgb2-0ja46i6v6R-eZe0AyGBYnAB82Rf3k-VyR8-2yVAh-_fYdSTWuBkqm_PTZn2w1gKniX5WXJXwlHnMax_5w7H0EtGJwijKpq30BSQ0/s800/F-09.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEVkKaBzw7Es6-xiBd-ErCsPWTTMui54cGljZgb2-0ja46i6v6R-eZe0AyGBYnAB82Rf3k-VyR8-2yVAh-_fYdSTWuBkqm_PTZn2w1gKniX5WXJXwlHnMax_5w7H0EtGJwijKpq30BSQ0/s200/F-09.JPG" width="200" /></a><span style="font-family: Verdana, sans-serif;">Portanto, para agilizar o teste improvisei um duto de papel com um ventilador de 12v de 40x40x10mm. Instalei o duto/ventilador sem desligar o aquecimento Hotend para ver graficamente a diferença.</span></div>
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<span style="font-family: Verdana, sans-serif;">Assim que, liguei o ventilador a temperatura na parte de cima do inox começou a cair rapidamente (linha azul) e estabilizou em 40º C. O PWM do hotend não teve que fazer um esforço extra significativo, para manter a temperatura da parte de baixo em 230º C, como pode ser visto em verde no gráfico PWM, creio que o teflon continua ajudando nisso.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh82dqSYgo4z87hdB-X4Yi5vXdqAsqJc6SEPjJBfcQ-uxMk3jsNUFYQbpF6W1IQj1oRESN9_i8V31ekwLssbtci07NWTnxpfCzQWQdHt67XgwAPGDID8upMEEdkMqMGXFAm-DIvTKc1fP4/s1280/F-09a.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="250" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh82dqSYgo4z87hdB-X4Yi5vXdqAsqJc6SEPjJBfcQ-uxMk3jsNUFYQbpF6W1IQj1oRESN9_i8V31ekwLssbtci07NWTnxpfCzQWQdHt67XgwAPGDID8upMEEdkMqMGXFAm-DIvTKc1fP4/s400/F-09a.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Subi novamente a temperatura do hotend para 250º C e aguardei durante 1 hora, as leituras foram: 250ºC no bico, 152º C na parte de baixo do inox e, apenas 38º C na parte superior do inox.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-GwQtVtsUQFsQAKVyQTPFDx55aSJUAHPEkgX_3n0PEludamSoZK-fAtF4aSqzoDfcHWo_IZxGCRty2M4Q4tb04RvmEEG1_r5xgE0eyvHIDUk25I3sfBiZmuwQAuaJvhlCD6yN-C5BY5c/s837/F-09b.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="212" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-GwQtVtsUQFsQAKVyQTPFDx55aSJUAHPEkgX_3n0PEludamSoZK-fAtF4aSqzoDfcHWo_IZxGCRty2M4Q4tb04RvmEEG1_r5xgE0eyvHIDUk25I3sfBiZmuwQAuaJvhlCD6yN-C5BY5c/s400/F-09b.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">No gráfico acima, a linha azul está medindo a temperatura da parte superior da barreira térmica feita em aço inoxidável.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_3YQSx1tW-dU7wHiQ17MS6SRT3gjgFygdQnUBwAjkhyQ1zmmFtT_DbFI7cWSiqGO8xyFKW4vqasHZ5E6OhKxYcDevigEGgPVk0naZ8mMd-UuATWsXzfp6fTuzkRXHIPxNgrk1uAtm1DQ/s800/F-10.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_3YQSx1tW-dU7wHiQ17MS6SRT3gjgFygdQnUBwAjkhyQ1zmmFtT_DbFI7cWSiqGO8xyFKW4vqasHZ5E6OhKxYcDevigEGgPVk0naZ8mMd-UuATWsXzfp6fTuzkRXHIPxNgrk1uAtm1DQ/s400/F-10.JPG" width="400" /></a></div>
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<b style="font-family: Verdana, sans-serif;">3º) Teste - Impressão de peças.</b><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5lk5h-GLzI_gl85L3G9vu_L7X6VrFdfEXLrm1GFi2V8PqgGU1dMKOWazvvNjdUSCUb6DSdAP0atg3gk08_JK3JlQR8TC7J51kGhd0laAnAnIdkTYAyZBIHKyLiD-IixFoA2XEsaXoGLY/s800/F-11.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5lk5h-GLzI_gl85L3G9vu_L7X6VrFdfEXLrm1GFi2V8PqgGU1dMKOWazvvNjdUSCUb6DSdAP0atg3gk08_JK3JlQR8TC7J51kGhd0laAnAnIdkTYAyZBIHKyLiD-IixFoA2XEsaXoGLY/s320/F-11.JPG" width="320" /></a></div>
<span style="font-family: Verdana, sans-serif;">Já estava ficando ansioso para iniciar os testes de impressão.</span><br />
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<span style="font-family: Verdana, sans-serif;">Para fixar o Iron Hotend no extrusor, usei dois parafusos M3 de 30cm que passam por dois buracos na base do extrusor, travando a barreira térmica pelo pescoço.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjtAlFe7L3VR4fx5bJmWQdKEd902VC7u5sfYuF2r3rUc-Fsf7SmZPYHqzcoUi-V5oiLCVxd6QMEy8FPy1QmGCKFj_pdDoDWlWjpbV04w8EaFWmPt-1-0OkXREbQJAC2H18o1SDVYLmGrys/s800/F-12.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjtAlFe7L3VR4fx5bJmWQdKEd902VC7u5sfYuF2r3rUc-Fsf7SmZPYHqzcoUi-V5oiLCVxd6QMEy8FPy1QmGCKFj_pdDoDWlWjpbV04w8EaFWmPt-1-0OkXREbQJAC2H18o1SDVYLmGrys/s320/F-12.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">O extrusor utilizado foi o AJGW, ele foi projetado pelo Alain do grupo de estudo RepRapBr e pode ser baixado <a href="http://www.thingiverse.com/thing:40642" target="_blank">aqui</a>, hoje esse extrusor equipa todas as minhas impressoras, além de ser muito bom, é muito prático na hora de trocar o filamento.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEio7UjKol9I24QQhj4cZXgcA0dKPW2Kbt7OXB75Dvi7IbiTzKzGYR0IHeaYl72Pasz0EEylkkU4w9jj03Cxw3ynzBON5FYLGMmoj5nJzaC5AXpYt5wXQXgDe8d89tbaQlpm7vAs3mrFahY/s800/F-13.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEio7UjKol9I24QQhj4cZXgcA0dKPW2Kbt7OXB75Dvi7IbiTzKzGYR0IHeaYl72Pasz0EEylkkU4w9jj03Cxw3ynzBON5FYLGMmoj5nJzaC5AXpYt5wXQXgDe8d89tbaQlpm7vAs3mrFahY/s320/F-13.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">O Hotend ficou muito firme com esse sistema de ancoragem, porém algumas pessoas vão me falar que se mantiver a base de alumínio para prender o hotend no pescoço, vai ajudar a dissipar o calor, porém dessa forma, ganhei mais alguns milímetros na altura do Z.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQag3w_Sm_z2HFxEpZWvmJPTsF4ryuOcIVa4xMwFq51K1iaIxxgpU7xX3bGMgQJDzEbyAezQgpmiqvdn5JqsHrz2TfQNaYT0Rj6pYtLfiNo9MwjfhhFl1JTZg5rZZj-SlRv5Lk7thw7fg/s800/F-14.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQag3w_Sm_z2HFxEpZWvmJPTsF4ryuOcIVa4xMwFq51K1iaIxxgpU7xX3bGMgQJDzEbyAezQgpmiqvdn5JqsHrz2TfQNaYT0Rj6pYtLfiNo9MwjfhhFl1JTZg5rZZj-SlRv5Lk7thw7fg/s320/F-14.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">O conjunto ficou bem mais simples.</span><br />
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<span style="font-family: Verdana, sans-serif;">Primeiro teste de extrusão do Iron Hotend, sem problemas.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWDLwT-AJTZwRB_2pp3rmSmZHbuE-XOTEdrrQwRyvBIzCFYtAg82nPd2oO48VlUgkajR4KuN0d0EyfIpzUGrjYiP2809AF9a3Mxn5miiA_o-XYnmmbZgaexEOh5OOSwDKeSDKk_Qb1Fk8/s800/F-16.JPG" imageanchor="1" style="clear: left; display: inline !important; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWDLwT-AJTZwRB_2pp3rmSmZHbuE-XOTEdrrQwRyvBIzCFYtAg82nPd2oO48VlUgkajR4KuN0d0EyfIpzUGrjYiP2809AF9a3Mxn5miiA_o-XYnmmbZgaexEOh5OOSwDKeSDKk_Qb1Fk8/s320/F-16.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">A primeira peça escolhida, foi uma das peças da impressora, um endstop. Notem que, fixei o duto de papel abaixo do carro X do lado esquerdo, ele está soprando diretamente nas aletas da peça de aço inox.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgEgqWd8DVgwjU-b-VJu0ACb6FwEyWjl5gmI6AfXEsJIeElprNyTKnQfbfOelziSWI7x_9Eo0tRmmCzdF9eDQG0Y3o7jlQ1QNpJJK9JdzMOnx63c1fXz9_0ca7J_HcMbh7ym7ObN_tV1kk/s800/F-16A.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgEgqWd8DVgwjU-b-VJu0ACb6FwEyWjl5gmI6AfXEsJIeElprNyTKnQfbfOelziSWI7x_9Eo0tRmmCzdF9eDQG0Y3o7jlQ1QNpJJK9JdzMOnx63c1fXz9_0ca7J_HcMbh7ym7ObN_tV1kk/s320/F-16A.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">A primeira impressão ocorreu sem problemas, usei um bico com 0,4mm de diâmetro, e altura de camada de 0,3mm.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi0eA9DR5Rjn0L6atsa3tE5UMF5xtQzTX05_p6tdi31xBHgSbq_cYaDh1-zSHhiCAGCFMk-5QuNDHFBz9qIv3iM7vf-wsMkGLoSWgyZxBcTgfAy6xEhAeNn5bfR7gN_5htpcyXC-S-VB_8/s800/F-19.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi0eA9DR5Rjn0L6atsa3tE5UMF5xtQzTX05_p6tdi31xBHgSbq_cYaDh1-zSHhiCAGCFMk-5QuNDHFBz9qIv3iM7vf-wsMkGLoSWgyZxBcTgfAy6xEhAeNn5bfR7gN_5htpcyXC-S-VB_8/s320/F-19.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">A segunda peça a ser impressa foi um polvo, já conhecido pelo pessoal.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZoIOvyLGjaFyjrLwg0YEIr82dJZDX85Hlx4RZv7VGPWUuv2eOLTKwCnfJ4VvdOPHFEnP128upkRr9tEXd9s09GsyayONffPgO_8vkHMh-ZbM6lz6bagxttc218yKT6ns13mgl6-THJM0/s800/F-20.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZoIOvyLGjaFyjrLwg0YEIr82dJZDX85Hlx4RZv7VGPWUuv2eOLTKwCnfJ4VvdOPHFEnP128upkRr9tEXd9s09GsyayONffPgO_8vkHMh-ZbM6lz6bagxttc218yKT6ns13mgl6-THJM0/s320/F-20.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZZjWYICQolNbW7CXk6mHdIjqVOBeCD1M3QbrpUGJkfTOTiQPLqdgizO83zMYKM0RkQcQFKfypptj-nOYGqggpKOLs8J23nIINIana1n_Vs2fUUdpDwFKPs8fDvzJdgBtwpmUKBmtwOj8/s800/F-21.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZZjWYICQolNbW7CXk6mHdIjqVOBeCD1M3QbrpUGJkfTOTiQPLqdgizO83zMYKM0RkQcQFKfypptj-nOYGqggpKOLs8J23nIINIana1n_Vs2fUUdpDwFKPs8fDvzJdgBtwpmUKBmtwOj8/s320/F-21.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">A qualidade ficou muito boa, apesar de imprimir em velocidade alta e com camada de 0,3mm de altura.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiS9q1wv9Q_9epILSL-MEksnuir-qSlRyCboyIhrIsrOqENbmK5q6gGWAxZx4zFfRtoWnIwbCFYRMjGNT8txT_35yVAyfkLbwxwBya9q8GlCJDYsaM0WHKKD7fDBkbvlV4T1jV7OaddKug/s800/F-24.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiS9q1wv9Q_9epILSL-MEksnuir-qSlRyCboyIhrIsrOqENbmK5q6gGWAxZx4zFfRtoWnIwbCFYRMjGNT8txT_35yVAyfkLbwxwBya9q8GlCJDYsaM0WHKKD7fDBkbvlV4T1jV7OaddKug/s320/F-24.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Depois imprimi um vaso que também é bem conhecido pelo pessoal das impressoras 3D.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEipiSEjb-WWR4o9i4Dj_HPIc1ONoON79NCjxQPm0BjisNCnxXzKpVGxhjVmPKrWBM7QWRmU6TQolCEqUtye0AnhdmLk5hxgxu4wr7SmHZa5bEtxZsIvgw1WaI7_m-ANLbSW13XTnZNyKyg/s800/F-25.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEipiSEjb-WWR4o9i4Dj_HPIc1ONoON79NCjxQPm0BjisNCnxXzKpVGxhjVmPKrWBM7QWRmU6TQolCEqUtye0AnhdmLk5hxgxu4wr7SmHZa5bEtxZsIvgw1WaI7_m-ANLbSW13XTnZNyKyg/s320/F-25.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXIlOvIsU_af6xBSPtGR4VmX4Kg_I0kMH59i7-5PkYQIzi25ipGe4fuoQVeZaB816NiKeDX44RV6QDyIDmfAOtJ9z9D7ScCStsmleoZeepiwfsy_v6Lt2x_8KpFCig5PxSiI9vBQVWgVo/s800/F-26.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXIlOvIsU_af6xBSPtGR4VmX4Kg_I0kMH59i7-5PkYQIzi25ipGe4fuoQVeZaB816NiKeDX44RV6QDyIDmfAOtJ9z9D7ScCStsmleoZeepiwfsy_v6Lt2x_8KpFCig5PxSiI9vBQVWgVo/s320/F-26.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">A impressão ficou ótima, porém notem que algumas camadas descolaram um pouco, mas isso não foi culpa do Hotend e sim da minha garagem que estava muito fria às 3 horas da manhã !!</span><br />
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<span style="font-family: Verdana, sans-serif;">Após 3 horas imprimindo sem parar, queria saber como andava a temperatura na parte superior da barreira térmica, foi quando notei que existe um furo na base do extrusor, logo abaixo da dobradiça do filamento, onde podia ver o aço inox da barreira.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGU9Oq7VlNAaxe4IyeLrYsVYyvI-UyfsCpSQ74Z8x67wuCU4tIsIW3rr_3RxVgMFWBS9hrIZ3GCJ8aDWcj0bh0YYHFg-g8izAtWEUNkApC5jSRRBFAiWcnZUVGHLXmFI6wRjf1MZ5KDNc/s800/F-18A.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGU9Oq7VlNAaxe4IyeLrYsVYyvI-UyfsCpSQ74Z8x67wuCU4tIsIW3rr_3RxVgMFWBS9hrIZ3GCJ8aDWcj0bh0YYHFg-g8izAtWEUNkApC5jSRRBFAiWcnZUVGHLXmFI6wRjf1MZ5KDNc/s320/F-18A.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Usando novamente um termistor com pasta térmica, consegui medir a temperatura, a qual estava em 55º C !</span><br />
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<span style="font-family: Verdana, sans-serif; font-size: large;"><b>Conclusão.</b></span><br />
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<span style="font-family: Verdana, sans-serif;">O Iron Hotend passou com louvor nos testes preliminares, não vazou nada, aqueceu muito rápido e se manteve nas temperaturas desejadas em todas as partes. Hoje ele continuou imprimindo o dia todo e até agora não apresentou problemas.</span><br />
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<span style="font-family: Verdana, sans-serif;">Quanto a utilizar a ventilação forçada, já era previsto para esse modelo de Hotend. Pode ser que com uma barreira de aço inoxidável mais comprida, e com mais aletas, não precise, porém queria um hotend bem curto, e não há problemas em colocar um pequeno ventilador com um duto impresso em ABS, pois melhora muito a eficiência desse sistema e é muito fácil de instalar.</span><br />
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<span style="font-family: Verdana, sans-serif; font-size: large;"><b>Próximos passos:</b></span><br />
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<span style="font-family: Verdana, sans-serif;">Vou desenhar um duto para ser usado com um ventilador menor, de 30x30x10mm, feito isso, usinarei mais algumas unidades do Iron Hotend e pedirei a ajuda da comunidade RepRapBR para que alguns membros voluntários me ajudem a testar os protótipos, e se tudo der certo em breve teremos mais uma opção de Hotend no mercado nacional.</span><br />
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<span style="font-family: Verdana, sans-serif;">Até o próximo post.</span><br />
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Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com4tag:blogger.com,1999:blog-7318267703328809168.post-2125330981291301882013-03-04T15:15:00.002-08:002013-03-04T15:15:26.279-08:00Prusa Air Concluída - Impressora 3D RepRap<div class="separator" style="clear: both; text-align: center;">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRdwny6XrKCMdtM041keegEg94JD0LyMiNHNZNpKVFiJdx8LUnJP90J_7Iyx-olPHh1pTM4GXC8pcOsTjh2bS_16HYY8Q13Qaul4aVCDm-yv5MExI0TUmn2-o1xqaj0VmQn2CqNZIK5XU/s1600/01.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRdwny6XrKCMdtM041keegEg94JD0LyMiNHNZNpKVFiJdx8LUnJP90J_7Iyx-olPHh1pTM4GXC8pcOsTjh2bS_16HYY8Q13Qaul4aVCDm-yv5MExI0TUmn2-o1xqaj0VmQn2CqNZIK5XU/s400/01.JPG" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Já faz algumas semanas que eu finalizei o projeto da Pruda Air, mas não tive tempo de publicar o Post, aliás o blog ficou de férias durante janeiro e fevereiro, mas como o ano no Brasil só começa depois do carnaval, então está tudo bem :)</span></div>
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.youtube.com/embed/Ee-MLAghYg4?feature=player_embedded' frameborder='0'></iframe></div>
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<span style="font-family: Verdana, sans-serif;">No vídeo vocês podem vê-la imprimindo a 80mm/s, porém devido a rigidez da estrutura, é possível imprimir mais rápido ainda, o que não é aconselhável na Prusa Mendel, pois acima dessa velocidade ela treme/balança muito.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqZdFvsMKIvUCKpWLNsuSXLaDvLJ66vny7CD41H6BsqrCybziVT9rpxIaf0mHZgN9djo4p4pkxQhzVeuWLnStDaEfWX2NYVyfhKjApH-GPbqrHfcpFim2cag52ORgRLr9R3iI3Lzhyphenhyphen2K4/s1600/02.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqZdFvsMKIvUCKpWLNsuSXLaDvLJ66vny7CD41H6BsqrCybziVT9rpxIaf0mHZgN9djo4p4pkxQhzVeuWLnStDaEfWX2NYVyfhKjApH-GPbqrHfcpFim2cag52ORgRLr9R3iI3Lzhyphenhyphen2K4/s320/02.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTcDQC-JZQc9Kx1ImWC-JlZ73JNo_zbGlDqSk2e9COHyknCXGCPUx48pSGb3nEiQFK2RDmEgYWUHMip7tsaneTFbOz9PKd3O1UroAzxL1-JPwwloYI27aWV6Elb0pvOnENPj_vYpG-Q9A/s1600/03.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgTcDQC-JZQc9Kx1ImWC-JlZ73JNo_zbGlDqSk2e9COHyknCXGCPUx48pSGb3nEiQFK2RDmEgYWUHMip7tsaneTFbOz9PKd3O1UroAzxL1-JPwwloYI27aWV6Elb0pvOnENPj_vYpG-Q9A/s320/03.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Tirei uma série de fotos para tentar mostrar os detalhes de construção da impressora.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgH41mlzas6cBmiHPuCqkf_3W9XnONYU0CyBLcw_Mez-zdMDCNOcq8zBHPX6vYN38yC3kSlvrAL1BpvsahQ7Fek8LqLjRM2NjREgXB6XEibqG3vn1qKC8M6JvUBUxpi2Uin7GKq742zRB0/s1600/04.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgH41mlzas6cBmiHPuCqkf_3W9XnONYU0CyBLcw_Mez-zdMDCNOcq8zBHPX6vYN38yC3kSlvrAL1BpvsahQ7Fek8LqLjRM2NjREgXB6XEibqG3vn1qKC8M6JvUBUxpi2Uin7GKq742zRB0/s320/04.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Imprimi um suporte de filamento e desta vez coloquei atrás da impressora em vez de em cima.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRttUNW_9wVmNfBO-uc2YV23-09bFl4agAQc0DmFfHQ5EwREBIIwzl6smyIEcE_nQmBsiHXDZ5NIVBcLUvMASgXE1Xhyphenhyphen_sy7C7NJjCW-1XT7xcW2_cnRsukbi7ztgNxHGKjSH5xKHFHOk/s1600/05.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRttUNW_9wVmNfBO-uc2YV23-09bFl4agAQc0DmFfHQ5EwREBIIwzl6smyIEcE_nQmBsiHXDZ5NIVBcLUvMASgXE1Xhyphenhyphen_sy7C7NJjCW-1XT7xcW2_cnRsukbi7ztgNxHGKjSH5xKHFHOk/s320/05.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Para guia do filamento até o extrusor, usei um tudo de nylon com 5mm de diâmetro.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxypcNcSqpBASbPJ2t94TXUjTx-MbNdf9_HrG9FVbEvaPIE143vpj1_ZY691j34B671F8ot5NHOUFWcLGzGyjvkFai7uDu6Tzkrzu0LGEYp-FrV0GOhWZmFaNbRwksMJvKw9AyYdHWfX4/s1600/06.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxypcNcSqpBASbPJ2t94TXUjTx-MbNdf9_HrG9FVbEvaPIE143vpj1_ZY691j34B671F8ot5NHOUFWcLGzGyjvkFai7uDu6Tzkrzu0LGEYp-FrV0GOhWZmFaNbRwksMJvKw9AyYdHWfX4/s320/06.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Coloquei duas pequenas peças impressas para dar acabamento ao tubo e poder prender na estrutura da impressora.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSrEbqQaqYGkJf_2bX3nvH5_p4XOrdUgj8e2dN3zBSgsibV9izxLpjvKrKNRK1vM_FbduLyXQJqHQk2z-IE41a-58R7xDNXShOmVqjfq9Zj1jYDJ1d6dCUmN9qjJqFskhqsJL2ZhW_Vdw/s1600/07.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSrEbqQaqYGkJf_2bX3nvH5_p4XOrdUgj8e2dN3zBSgsibV9izxLpjvKrKNRK1vM_FbduLyXQJqHQk2z-IE41a-58R7xDNXShOmVqjfq9Zj1jYDJ1d6dCUmN9qjJqFskhqsJL2ZhW_Vdw/s320/07.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Usei uma barra roscada de 8mm, arruelas e porcas M8 para fazer o suporte, o resto das peças eu imprimi.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisM42fF1wpuBjaThf75sFidFYat96i-f1QeJswzpdz-XhdYlAw_blbOOQX0-Kg3oOcECSS70kuZdie23hjru7qj8REd5mdD1rjS_ytjnUOvsnHE78PPHdkdtGsEWjZEHSsU3cbvSOgGOo/s1600/08.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisM42fF1wpuBjaThf75sFidFYat96i-f1QeJswzpdz-XhdYlAw_blbOOQX0-Kg3oOcECSS70kuZdie23hjru7qj8REd5mdD1rjS_ytjnUOvsnHE78PPHdkdtGsEWjZEHSsU3cbvSOgGOo/s320/08.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Os cones grandes facilitam prender diferentes carretéis com diferentes diâmetros de furos.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1xWsGAjj8YB-WPd0Mk-KYmYeC5SeSS1t1Qk2afjPj4CnDErvJXGnxhC_uNRUfV0XiJHJ3BMmXSXxTDiXCvxyIu0qNPoUnVNLtp48PJZZA1JlXjiCXgMbgjGa57TgHU2FR5UvCp11pWPQ/s1600/09.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1xWsGAjj8YB-WPd0Mk-KYmYeC5SeSS1t1Qk2afjPj4CnDErvJXGnxhC_uNRUfV0XiJHJ3BMmXSXxTDiXCvxyIu0qNPoUnVNLtp48PJZZA1JlXjiCXgMbgjGa57TgHU2FR5UvCp11pWPQ/s320/09.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Fiz um tipo de porca e contra porca em ABS, abri a rosca com o próprio parafuso.</span><br />
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<span style="font-family: Verdana, sans-serif;">Mais fotos...</span><br />
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<span style="font-family: Verdana, sans-serif;">Imprimi essa peça para o cabo USB, energia e botão liga e desliga.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJIxBGsoubEST58cIxsHTzA_T4GOLZlvqZyt6F3wDepEshiP1Taro2HoD-hEn_QovhPfI5uOdZAxUUYLvDPmwNWqDhyphenhyphenaa7fx3TsPQThHrL6qlbZiSvbyIcbvOJJfV9JzA2Lb41DkzhCmQ/s1600/15.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJIxBGsoubEST58cIxsHTzA_T4GOLZlvqZyt6F3wDepEshiP1Taro2HoD-hEn_QovhPfI5uOdZAxUUYLvDPmwNWqDhyphenhyphenaa7fx3TsPQThHrL6qlbZiSvbyIcbvOJJfV9JzA2Lb41DkzhCmQ/s320/15.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">A eletrônica e fonte foram acomodadas abaixo da mesa de impressão.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjA3nZmmrVeYQwdkrOVd8MNXtIN32NmzS3KijS5UyLZHysKyCAyXkd9DWSplo8nqZgXIl3n4wkKi6ZmI8jSgkTgvUvUq_mSaTXE7rpp7oymB7uBYKQrMwRMtn82eUX6VatUJ0yZtfd00v8/s1600/17.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="269" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjA3nZmmrVeYQwdkrOVd8MNXtIN32NmzS3KijS5UyLZHysKyCAyXkd9DWSplo8nqZgXIl3n4wkKi6ZmI8jSgkTgvUvUq_mSaTXE7rpp7oymB7uBYKQrMwRMtn82eUX6VatUJ0yZtfd00v8/s320/17.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Deu trabalho organizar toda a fiação, mas valeu a pena.</span><br />
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<span style="font-family: Verdana, sans-serif;">Para poder fazer essa impressora com o visual o mais limpo possível, desde o início estava preocupado onde acomodar a parte eletrônica (fonte/placa), para isso tive que aumentar a altura da impressora, pois queria colocar tudo em baixo da mesa de impressão.</span></div>
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<span style="font-family: Verdana, sans-serif;">Imprimi 4 "pés" para poder ganhar alguns centímetros de altura.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_QZpiATznRE0-aVxGkbEFINYihm4TBQLoZaNyW4Y0ss11MPD75CGO4NFeHuyzhcPk-zWLBSA4YlNXKPrAa-Sgu9QQgHYw2szTMrDhnNPEWG4hTiDe-IKxt1EGpGTjdqZ0tsnLK2D628Y/s1600/a05.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj_QZpiATznRE0-aVxGkbEFINYihm4TBQLoZaNyW4Y0ss11MPD75CGO4NFeHuyzhcPk-zWLBSA4YlNXKPrAa-Sgu9QQgHYw2szTMrDhnNPEWG4hTiDe-IKxt1EGpGTjdqZ0tsnLK2D628Y/s320/a05.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Coloquei essas longarinas de acrílico que haviam sobrado do corte da estrutura.</span><br />
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<span style="font-family: Verdana, sans-serif;">No lugar de uma fonte ATX de PC, usei uma fonte de 12v - 20A bem menor que cabe na parte traseira, onde eu queria colocar.</span><br />
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<span style="font-family: Verdana, sans-serif;">A placa eletrônica Gen7BR coube sem problemas na parte da frente, assim fica mais fácil de monitorar os leds.</span><br />
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<span style="font-family: Verdana, sans-serif;">Para proteger a placa eletrônica de poeira/sujeira, coloquei uma placa de acrílico acima da placa da eletrônica.</span><br />
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<span style="font-family: Verdana, sans-serif;">Fiquei muito satisfeito com o visual da impressora e a rigidez da estrutura, fora a facilidade de montagem, pois não precisei alinhar nada, apenas encaixar as peças.</span></div>
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<span style="font-family: Verdana, sans-serif;">Pretendo montar mais uma Prusa Air, porém modifiquei a estrutura para ficar mais alta, sem a necessidade de utilizar "pés" impressos, deixando a impressora mais limpa ainda, em breve eu posto aqui no blog esse Upgrade.</span></div>
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<span style="font-family: Verdana, sans-serif;">Até o Próximo Post...</span></div>
Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com21tag:blogger.com,1999:blog-7318267703328809168.post-4968232053258418182012-12-20T16:18:00.000-08:002012-12-21T04:35:41.584-08:00Hotend - Evolução<div class="separator" style="clear: both; text-align: center;">
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<span style="font-family: Verdana, sans-serif;">Não é de hoje que venho fazendo várias experiências com o Hotend, para quem não sabe, o hotend é o responsável pela extrusão do ABS, o qual é empurrado pelo parafuso trator que fica dentro do extrusor.</span></div>
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<span style="font-family: Verdana, sans-serif;">O meu primeiro hotend foi feito sem a ajuda de um torno, furei um parafuso, e usei uma porca fechada na ponta com um furo de 0,5mm, para ver o Post sobre ele <a href="http://3dmachine.blogspot.com.br/2012/03/o-hotend-ao-meu-ver-e-uma-das-pecas.html" target="_blank"><span style="color: cyan;">clique aqui</span></a>.</span></div>
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<span style="font-family: Verdana, sans-serif;">Logo depois disso, o Alain do grupo de estudo RepRapBR e dos projetos <a href="http://tantillus-br.blogspot.com.br/" target="_blank"><span style="color: cyan;">Tantillus </span></a>e <a href="http://mesa-reprap.blogspot.com.br/" target="_blank"><span style="color: cyan;">Mesa XYZ</span></a> </span><span style="font-family: Verdana, sans-serif;">, me convidou para testar um hotend que estava sendo desenvolvido por ele e o pessoal do grupo, aceitei o convite, veja o </span><a href="http://3dmachine.blogspot.com.br/2012/04/novo-hotend-para-reprap.html" style="font-family: Verdana, sans-serif;" target="_blank"><span style="color: cyan;">post aqui</span></a><span style="font-family: Verdana, sans-serif;">.</span></div>
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<span style="font-family: Verdana, sans-serif;">Esse hotend era muito melhor que o meu, feito com torno e fresa, o Luciano Gutschow também do grupo, usina ele até hoje. </span></div>
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<span style="font-family: Verdana, sans-serif;">O único problema é que vazava e muito, pois o disco de madeira acabava queimando com o tempo e gerava folgas no conjunto, tentamos peroba, piso laminado, e até fibra de vidro, mas esses materiais sediam e com o tempo vazava, veja os <a href="http://3dmachine.blogspot.com.br/2012/07/hotend-experimentos.html" target="_blank"><span style="color: cyan;">testes aqui</span></a>.</span></div>
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<span style="font-family: Verdana, sans-serif;">Você deve estar se perguntando, por que não usar um material que resista ao calor, como o alumínio por exemplo, o problema é a transferência de calor para a base do extrusor através dos parafusos, esse calor derreteria a base e o carro X, o alumínio e outros materiais ferrosos são excelentes condutores de calor, por isso usamos a madeira.</span><br />
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<span style="font-family: Verdana, sans-serif;">Veja as temperaturas em C em cada parte do hotend ao lado.</span></div>
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<span style="font-family: Verdana, sans-serif;"><span style="font-size: x-small;">Imagem do blog do Grupo de estudo <a href="http://reprapbr-ge.blogspot.com.br/2012/02/bico-do-extruder-gen4.html" target="_blank"><span style="color: cyan;">RepRapBR </span></a></span></span></div>
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<span style="font-family: Verdana, sans-serif;">Usei o hotend com um disco de resina um bom tempo sem vazar, mas sabia que se desmontasse, ele daria problemas depois, até que no encontro RepRapBR de 25 de Junho de 2012,<span style="color: cyan;"> <a href="http://3dmachine.blogspot.com.br/2012/06/arraial-reprapbr.html" target="_blank"><span style="color: cyan;">veja aqui</span></a></span>, tive contato com o hotend do pessoal da <a href="http://www.movtech.com.br/" target="_blank"><span style="color: cyan;">Movtech</span></a>, que havia desenvolvido um sistema onde os parafusos não tinham contato com o extrusor.</span></div>
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<span style="font-family: Verdana, sans-serif;">Juntei todas essas idéias e criei a minha própria versão de hotend com base no hotend do grupo de estudo, mais o sistema de ancoragem da Movtech, e claro, uns toques pessoais.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_i-_K1DZLsH1rqyaYJhhfkr7CYYsNq4yP8voRN6nCYtVhYNhS29PCgktAJrfCLN7fpw1DTFAZlvfv11vW27eXV-vBAQE1aNzAh6dCUbOnqsOcpIgb2WEBHlwGV3mlAIqP8FDXUcLTqdg/s1600/f3%25281%2529.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_i-_K1DZLsH1rqyaYJhhfkr7CYYsNq4yP8voRN6nCYtVhYNhS29PCgktAJrfCLN7fpw1DTFAZlvfv11vW27eXV-vBAQE1aNzAh6dCUbOnqsOcpIgb2WEBHlwGV3mlAIqP8FDXUcLTqdg/s1600/f3%25281%2529.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">O resultado foi um Hotend 100% funcional, o qual estou testando a 3 meses em 2 impressoras Prusa Mendel imprimindo Kits para montagem de impressoras 3D quase que diariamente.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjuzaFIzARFz2rhVYGe9JI5jizow6O13LoPwPtecADZ59XffmkACCH2vImKzSDO3lJyKNQUM9mY_Gu-wadGcAhcOj-cViVS3Q3gFwAZ6GPWKQndqVX_i_tJWawHIGpTEleWjz25LRL2nZw/s1600/f2%25281%2529.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="160" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjuzaFIzARFz2rhVYGe9JI5jizow6O13LoPwPtecADZ59XffmkACCH2vImKzSDO3lJyKNQUM9mY_Gu-wadGcAhcOj-cViVS3Q3gFwAZ6GPWKQndqVX_i_tJWawHIGpTEleWjz25LRL2nZw/s1600/f2%25281%2529.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Já derreti mais de 10kg de ABS em cada um dos dois sem nenhum problema, nada de vazamentos, nem entupimentos, o Anderson Cunha, também do grupo de estudo, esta testando a mais de um mês sem problemas.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhU1fo6U5-pJxdRTOCY14-rXBv4pMm0M1uNXkAjLPGhcISuBnMcTxdvQpHO0v61LixEO9cx4wK_7JY6orgD-qGKk9t7CmRfwn5eBte0miSxidyfrOUNI4_XIL-LzAovhnfn3eM4SV20csc/s1600/f4(x).jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="127" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhU1fo6U5-pJxdRTOCY14-rXBv4pMm0M1uNXkAjLPGhcISuBnMcTxdvQpHO0v61LixEO9cx4wK_7JY6orgD-qGKk9t7CmRfwn5eBte0miSxidyfrOUNI4_XIL-LzAovhnfn3eM4SV20csc/s1600/f4(x).jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Minha maior preocupação era a resistência mecânica do teflon, o qual tem que suportar os 30 kg de pressão que atua sobre o conjunto, porém até agora, já suportou mais de 400 horas de impressão. </span></div>
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<span style="font-family: Verdana, sans-serif;">Alguns clientes da <a href="http://www.3dmachine.com.br/" target="_blank"><span style="color: cyan;">3DMachine </span></a>compraram por conta e risco, pois não havia </span><span style="font-family: Verdana, sans-serif;">concluído</span><span style="font-family: Verdana, sans-serif;"> os testes, e não relataram problemas também.</span></div>
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<span style="font-family: Verdana, sans-serif;">Por isso pessoal, estou disponibilizando abaixo os desenhos para quem quiser reproduzir esse hotend, o qual eu atesto o bom funcionamento, e para quem não tiver um fácil acesso a usinagem de peças pode adquirir um kit desse modelo <a href="http://www.3dmachine.com.br/hotend-bico.html" target="_blank"><span style="color: cyan;">neste link</span></a>.</span></div>
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<span style="font-family: Verdana, sans-serif;">Material:</span></div>
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<span style="font-family: Verdana, sans-serif;">-chapa de alumínio de 3mm</span></div>
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<span style="font-family: Verdana, sans-serif;">-pedaço de tarugo de teflon de 3/4"</span></div>
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<span style="font-family: Verdana, sans-serif;">-pedaço de tarugo de latão</span></div>
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<span style="font-family: Verdana, sans-serif;">-bloco de alumínio (barra de 3/4x3/8")</span></div>
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<span style="font-family: Verdana, sans-serif;">-parafusos, arruelas e porcas M3, 1 arruela M8</span></div>
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<span style="font-family: Verdana, sans-serif;">-1cm de cilindro de alumínio de 3/4" com parede de 0,75mm (varão de cortina)</span></div>
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<span style="font-family: Verdana, sans-serif;"><i>Para ampliar, basta clicar nas imagens.</i></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh0ilH-We_0EtQF7iSLeal6I6uvj2ufEAYe1sVbpoalFvRlSmYuQLRi4vYtCJY9nboO3m6M418ClxrO4EaRzbnYD-1ma6DANCi6Q5YGBs3TFpLBBHHOWomGF4YXAhrfkrNx1o5y85T1Dkg/s1600/IMG_20121220_213142.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="317" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh0ilH-We_0EtQF7iSLeal6I6uvj2ufEAYe1sVbpoalFvRlSmYuQLRi4vYtCJY9nboO3m6M418ClxrO4EaRzbnYD-1ma6DANCi6Q5YGBs3TFpLBBHHOWomGF4YXAhrfkrNx1o5y85T1Dkg/s400/IMG_20121220_213142.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Aproveitando o clima natalino desejo à todos um <b>Feliz Natal</b> com a árvore enfeitada no estilo RepRap, com algumas peças impressas com ABS que brilha no escuro, baixadas no <a href="http://www.thingiverse.com/" target="_blank"><span style="color: cyan;">Thingiverse</span></a>.</span></div>
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<span style="font-family: Verdana, sans-serif;">Até o próximo post.</span></div>
Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com9tag:blogger.com,1999:blog-7318267703328809168.post-81039385049636552512012-11-16T16:25:00.001-08:002012-11-16T16:28:12.789-08:00Prusa Air - Instalando Motores<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: Verdana, sans-serif;">Finalmente arrumei tempo para instalar os motores na Prusa Air.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqicbFBydJufe-uqKbz79-RsJsP-XZnigiUeH2vpvm3w9t3MbPyNY2o5ILDa9wdQ6FblIlsJgHiWewwX25snOyIlbE_KfQOZeqxTvR7jW9A9fu_ykf-2dD_Um_9iEN8vRvyyxb1zGJurg/s1600/DSCN3374.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqicbFBydJufe-uqKbz79-RsJsP-XZnigiUeH2vpvm3w9t3MbPyNY2o5ILDa9wdQ6FblIlsJgHiWewwX25snOyIlbE_KfQOZeqxTvR7jW9A9fu_ykf-2dD_Um_9iEN8vRvyyxb1zGJurg/s400/DSCN3374.JPG" width="400" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQdyokF4ZbzCj7xvbUzd3DZR08nR1A5lDn1BWSAXQEUM1aW3PZjUgoOONuR5sjwcAnHRMzhtQdeidsCDCfTbR6sASxAsC2JR5QCTkpMAGAMxj_wFYBrqS1nRt3giCHKOPWgauCboWsLHc/s1600/DSCN3375.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQdyokF4ZbzCj7xvbUzd3DZR08nR1A5lDn1BWSAXQEUM1aW3PZjUgoOONuR5sjwcAnHRMzhtQdeidsCDCfTbR6sASxAsC2JR5QCTkpMAGAMxj_wFYBrqS1nRt3giCHKOPWgauCboWsLHc/s1600/DSCN3375.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1sxHDr84I3WUSa-izKNyizyRxh3U0ZeU3voWeDlfPamG9pwlDixLjk4ugUhwAWqrYqGyB1TLo9hNMgSQsFmhrrZ2TBqSheCNVCe5PUIl2vUbHtrVOhiEAzF2UeaK3OWtn4kgand5w1pQ/s1600/DSCN3378.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1sxHDr84I3WUSa-izKNyizyRxh3U0ZeU3voWeDlfPamG9pwlDixLjk4ugUhwAWqrYqGyB1TLo9hNMgSQsFmhrrZ2TBqSheCNVCe5PUIl2vUbHtrVOhiEAzF2UeaK3OWtn4kgand5w1pQ/s1600/DSCN3378.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiR0U_t7IY-ozoL6fcoU2S0D-oCuBWd6k7a6KQW_U-Q4Z78idsQlkN-mF6fYKJsg_8U7kEEwMmCA75kXOEJCoxBOyTEDQpjHm9uuWKTi8Yx0pePeeDv0OouMUGX182H4KZPiE-qxvex1HA/s1600/DSCN3379.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiR0U_t7IY-ozoL6fcoU2S0D-oCuBWd6k7a6KQW_U-Q4Z78idsQlkN-mF6fYKJsg_8U7kEEwMmCA75kXOEJCoxBOyTEDQpjHm9uuWKTi8Yx0pePeeDv0OouMUGX182H4KZPiE-qxvex1HA/s1600/DSCN3379.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Somente o eixo Y precisou de adaptação, o X e o Z usaram os mesmos mecanismos da Prusa Mendel.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYF4G7hqFKwYsG-c7splULnsDKhbCuezc_mwA1NOIkScYl2JRa4sb3U5Iglt1YMp3Cjrz7bJ52TMw7tMXzOCYs8KAlbZQ6hS7BAjQ-Mg79LFNEAhns03QGLuFx2TCAVKAzvepObjr6CnA/s1600/DSCN3381.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYF4G7hqFKwYsG-c7splULnsDKhbCuezc_mwA1NOIkScYl2JRa4sb3U5Iglt1YMp3Cjrz7bJ52TMw7tMXzOCYs8KAlbZQ6hS7BAjQ-Mg79LFNEAhns03QGLuFx2TCAVKAzvepObjr6CnA/s1600/DSCN3381.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Não usei uma guia de correia, ela esta sendo guiada pelo corte no acrílico e não parece estar gerando atrito significativo.</span></div>
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<span style="font-family: Verdana, sans-serif;">O suporte do motor do eixo Y, desenhei no </span><span style="font-family: Verdana, sans-serif;">Google SketchUp e</span><span style="font-family: Verdana, sans-serif;"> imprimi em ABS.</span></div>
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<span style="font-family: Verdana, sans-serif;">Desta vez optei por engrenagens de ferro, as correias são MXL de 6mm da Schneider, o passo é em polegada. Como eu tenho um monte dessas engrenagens sobrando, só precisei comprar a correia 1,80m.</span></div>
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<span style="font-family: Verdana, sans-serif;">A correia só passa por um rolamento, ficando igual ao sistema do eixo X.</span></div>
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<span style="font-family: Verdana, sans-serif;">Mesmo sistema da Prusa Mendel</span></div>
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<span style="font-family: Verdana, sans-serif;">Tive problemas com as guias de correias impressas em ABS e resolvi usar as arruelas de funileiro, porém com arruelas de 8mm bem finas, para que a correia ficasse na medida certa e o rolamento girasse livre.</span></div>
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<span style="font-family: Verdana, sans-serif;">Aqui no eixo Z também é o mesmo sistema da Prusa Mendel.</span> </div>
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<span style="font-family: Verdana, sans-serif;">Abaixo, um vídeo testando o movimento dos carros, do extrusor e uma nova fonte 12v 20A, menor e mais bonita que a fonte ATX de PC.</span></div>
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.youtube.com/embed/mZhcKr0QQJI?feature=player_embedded' frameborder='0'></iframe></div>
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<span style="font-family: Verdana, sans-serif;">Agora falta instalar o hotend, a eletrônica da mesa aquecida e acomodar tudo, vou colocar a fonte e a placa na parte de baixo da máquina e fazer a fiação o mais discreta possível.</span></div>
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<span style="font-family: Verdana, sans-serif;">Os próximos passos não são novidade aqui no blog, serão iguais aos da Prusa Mendel de posts anteriores, portanto no próximo post a Prusa Air, já deve estar imprimindo, até lá.</span></div>
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Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com7tag:blogger.com,1999:blog-7318267703328809168.post-5571419430299125992012-10-31T18:19:00.000-07:002012-10-31T18:19:30.438-07:00Bloco Mumificado<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;">Uma das coisas que faz muita diferença na qualidade das impressões, é um bom isolamento térmico do bloco aquecedor, a forma que mais gostei de fazer isso, é utilizando fita de teflon, aquela que o encanador usa.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1jlmyYP_K-zrKmudR-C6a0n9ALNykuob2cnnRUVH-oTr7Dum7vjy81LMLqKBBDeT_fge65uSLDD9b3a99YetaT_ckXAzbzc6dPOulKerRiVaJtqE2wv28c71ntEGzSgSDuQqfER9wAQo/s1600/b1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1jlmyYP_K-zrKmudR-C6a0n9ALNykuob2cnnRUVH-oTr7Dum7vjy81LMLqKBBDeT_fge65uSLDD9b3a99YetaT_ckXAzbzc6dPOulKerRiVaJtqE2wv28c71ntEGzSgSDuQqfER9wAQo/s1600/b1.jpg" height="213" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Demora e precisa ter um pouco de paciência para enrolar o teflon, mas o resultado é muito bom, alem de manter o calor concentrado no bico, evita que o calor do bloco afete a peça que esta sendo impressa, se estiver usando um duto de ar também evita que o vento esfrie o bico.</span></div>
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<span style="font-family: Verdana, sans-serif;">Até +</span>Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com5tag:blogger.com,1999:blog-7318267703328809168.post-39898838191072654762012-10-27T16:16:00.000-07:002012-11-14T13:11:47.423-08:00Vida Moderna<div class="separator" style="clear: both; text-align: center;">
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<span style="font-family: Verdana, sans-serif;">O potencial da impressora 3D doméstica é maior do que se possa imaginar, abaixou algumas pequenas aplicações no dia a dia.</span></div>
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<span style="font-family: Verdana, sans-serif;"><b>Puxadores para o BOX</b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8J3iXEpacZd1GRgfWXljHJdiOxyS88jz_0bPidz6urrlVzQXPEUuxlssZ52Q1j8IKBPO4FPAUmY9iQE0bope3Eqsj5uwt_MYHjnzaIFwQ4-Z8QK8Qft-aVIdAw1lLkJtD0F8IHYHNemo/s1600/f01.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8J3iXEpacZd1GRgfWXljHJdiOxyS88jz_0bPidz6urrlVzQXPEUuxlssZ52Q1j8IKBPO4FPAUmY9iQE0bope3Eqsj5uwt_MYHjnzaIFwQ4-Z8QK8Qft-aVIdAw1lLkJtD0F8IHYHNemo/s1600/f01.JPG" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Problema, os puxadores do box quebraram.</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Solução, Google SketchUp (free software)+ Prusa Mendel (open hardware)</span></div>
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<b><span style="font-family: Verdana, sans-serif;"><br /></span></b></div>
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<b><span style="font-family: Verdana, sans-serif;">Interface para webcam e tripé</span></b></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;"> Comprei uma webcam, queria usá-la com um pequeno tripé</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;"> Problema, não tinha como prender uma coisa na outra</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Solução, </span><span style="font-family: Verdana, sans-serif; font-size: x-small;">Google SketchUp (free software)+ Prusa Mendel (open hardware)</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">Entrou bem justo, e ficou firme. </span></div>
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<b><span style="font-family: Verdana, sans-serif;">Cestinha de mesa</span></b></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;">É claro que minha esposa, vendo eu imprimir essas coisas, pediu alguma coisa para ela</span><span style="font-family: Verdana, sans-serif; font-size: x-small;">,</span></div>
<div style="text-align: center;">
<span style="font-family: Verdana, sans-serif; font-size: x-small;">essa cestinha para colocar pequenos objetos.</span><br />
<span style="font-family: Verdana, sans-serif; font-size: x-small;"><br /></span>
<span style="font-family: Verdana, sans-serif; font-size: x-small;">Link para baixar a cestinha: <a href="http://www.thingiverse.com/thing:26596" target="_blank"><span style="color: cyan;">http://www.thingiverse.com/thing:26596</span></a></span></div>
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<span style="font-family: Verdana, sans-serif; font-size: x-small;"><br /></span></div>
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<span style="font-family: Verdana, sans-serif;">No próximo post, prometo dar continuidade ao projeto da Prusa air, até.</span></div>
Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com2tag:blogger.com,1999:blog-7318267703328809168.post-84147871485029386662012-10-05T16:40:00.004-07:002012-10-05T16:40:36.965-07:00Prusa Air - Guias Lineares<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;">Dando continuidade ao projeto Prusa Air, neste post vou mostrar como ficou a montagem das guias lineares.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZTIJBvY6ynJa6eDBD3fGPjX4mfxrHOx6xa0SPx-WNSyDTRzHr5RjN1w9BTunSQkzliZTa8ugJSU44u2dxzdnx7stRdEIpyQiBwvGcdZQ8veyKFLlY49yLt6x387GaxrlgFwzgl1h_3tg/s1600/F01%25281%2529.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><span style="font-family: Verdana, sans-serif;"><img border="0" height="282" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZTIJBvY6ynJa6eDBD3fGPjX4mfxrHOx6xa0SPx-WNSyDTRzHr5RjN1w9BTunSQkzliZTa8ugJSU44u2dxzdnx7stRdEIpyQiBwvGcdZQ8veyKFLlY49yLt6x387GaxrlgFwzgl1h_3tg/s320/F01%25281%2529.JPG" width="320" /></span></a></div>
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<span style="font-family: Verdana, sans-serif;">A montagem das guias lineares foi muito fácil bastando encaixa-las nos furos previamente feitos quando as peças foram cortadas.</span></div>
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<span style="clear: right; float: right; font-family: Verdana, sans-serif; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTYGZksMGEK0GGhFhPU5IqQcR7IalXENvMkyIXk13lwsJHMkx-sfv7_ceAgeZyJvpqhOljFt5lWW-e98P6G0kyQ0o-AC-fSICz5q4ZDx6fjfrCqdDnLaaZ1SgLwZb907_WMtixWPuusYc/s320/F02%25281%2529.JPG" width="320" /></span></div>
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<span style="font-family: Verdana, sans-serif;">A guias, do eixo Y, entram bem justas nos furos e como elas ficam na horizontal, não houve necessidade de travá-las.</span><br />
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<span style="clear: left; float: left; font-family: Verdana, sans-serif; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghXlYPxl_-SRgueZKxJFhqCdmItZva43dxBt-0YH6iRv-AmIg97kxWn9E3Mxra4suS1nNMfmK6IFhzUtAoCQwS1sRbDE6VTcsVqcVCvimvWWQlP53v67IXXayBUkhsvdPkMOt3oCrj2oo/s320/F03%25281%2529.JPG" width="320" /></span></div>
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<span style="font-family: Verdana, sans-serif;">Já as guias do eixo Z, por estarem na vertical, serão travadas com 2 pequenas peças, já tem 2 furos de 3mm ao lado da ponta da guia para isso.</span><br />
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<span style="clear: right; float: right; font-family: Verdana, sans-serif; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxX1UgMC5BHaVvhij8rVUoXTqcw9guTkFQ12VX8PaLlEOELWl7nsGA6FHuUWd0_Obqgm1iqBs1CNOcAA3-tmLU87O2IOJC965L9ZeF5Vfzt9Mw_arRKl4Jm2_nkq43bBrgRZCW-FUOYB0/s320/F04%25281%2529.JPG" width="320" /></span></div>
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<span style="font-family: Verdana, sans-serif;">No Google Sketchup, fiz a peça necessária para o travamento das guias do eixo Z.</span><br />
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<span style="clear: left; float: left; font-family: Verdana, sans-serif; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXyjVC01V_F5ups9z3FlF8d5P8WQKHNZJhH6j2HhAKaatF1Pp1crCXS-sE584ezpx6ig26XssVA9GG1RZ4N_PyJmJmfrV84HMmDyf4SDLUxwzM8Gp7Q5vBU6MHye7mX7mbRGmIhvUlDRE/s320/F06%25281%2529.JPG" width="320" /></span></div>
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<span style="font-family: Verdana, sans-serif;">Imprimi as peças necessárias.</span><br />
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<span style="clear: right; float: right; font-family: Verdana, sans-serif; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfrcQyq4rZ9IEGz6ARMCyEDGC1FQsxceIPMMcanEmT758ThVQnE3kqLOS16XHx-aVvl_JAEhJ_G5iyvCwfXjmUj3_9hD_e_tbSw2JQM8M0qnAVS8uQyW0zstJGOHGRCg3d86R7vojQ6VU/s320/F07%25281%2529.JPG" width="320" /></span></div>
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<span style="font-family: Verdana, sans-serif;">Utilizei dois parafusos allen de 3x16mm em cada peça.</span><br />
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<span style="clear: left; float: left; font-family: Verdana, sans-serif; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKjJ7U8hRO8LLuvbHcO0xdzqZHWMjNcgOBwnvVyAh3KO2gcaDubstF-NgSQGHEf9Ut8NGBNoDZ2aNetaAMXrQEi9S7wGeeBZgq7mZ0e93IMzwdp40HACh-D3DXo5Ee9cHkSDYS9VI2w2s/s320/F08%25281%2529.JPG" width="320" /></span></div>
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<span style="font-family: Verdana, sans-serif;">Vista por baixo, só uma estrutura transparente possibilita essa visão :)</span><br />
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<span style="clear: right; float: right; font-family: Verdana, sans-serif; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjjRIVvL_TMaCEFncvRRMISB1ZtG3oP3f0CokwR3aKO2Zb2FaOmuoU1b7zYUzKYJ1oKWCbrT4xheNa2-q-D2K_okovoWWxVhgbuMw_uC9Mj7Qrj_u6T1ddv9tDnx4ICrPsfyeiAqlYd9Ok/s320/F09%25281%2529.JPG" width="320" /></span></div>
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<span style="font-family: Verdana, sans-serif;">Para fixar o carro Y, usei as mesmas peças que usamos em uma Prusa Mendel.</span><br />
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<span style="clear: left; float: left; font-family: Verdana, sans-serif; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrO7nKDCWzohpjFS5RubJEHtSipZcyxb1t-wmjurIRKmkkux0M6nxwcKcFlT3tnj7ZqnC5RZEtUJ8uWFy42H4Of8fSQsQRE9yuOgSbJa174T0EQx7Wn_upo9RW3BWC8qvwWS2MZrieFdg/s320/f10%25281%2529.JPG" width="320" /></span></div>
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<span style="font-family: Verdana, sans-serif;">Estou usando um filamento de ABS, para as peças de plástico cujo o nome da cor é prata, porém parece mais um cinza claro meio brilhante, achei que essa cor ficaria legal com o acrílico. </span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4wLV38OsP8bq21ayJJJdPhCFRbCKkwdP34X8NlNowUQBrnh4ScFwpQlkLKRKE674eJWHg5U-Hn3ks8VBwhBljMcoRJ2-I0s8cyvw-ajoT3KUg-6Kq5MPywaqKPq3PcHg77C8bpKGGOoU/s1600/f11%25281%2529.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: Verdana, sans-serif;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4wLV38OsP8bq21ayJJJdPhCFRbCKkwdP34X8NlNowUQBrnh4ScFwpQlkLKRKE674eJWHg5U-Hn3ks8VBwhBljMcoRJ2-I0s8cyvw-ajoT3KUg-6Kq5MPywaqKPq3PcHg77C8bpKGGOoU/s320/f11%25281%2529.JPG" width="320" /></span></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkAd0ylu6coEMaP5V86grbbH1LA-k2fklaIuElqOfmeE7mv1bc_yEx0Eg7AfBxHMeGh7nk1QQjyGzUVEp2_to6qzlmcriWSzxAmAJruAlZPRG9i7Os70Q2E3EQ2LzVCOuERByvwnrznt8/s1600/f12%25281%2529.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: Verdana, sans-serif;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkAd0ylu6coEMaP5V86grbbH1LA-k2fklaIuElqOfmeE7mv1bc_yEx0Eg7AfBxHMeGh7nk1QQjyGzUVEp2_to6qzlmcriWSzxAmAJruAlZPRG9i7Os70Q2E3EQ2LzVCOuERByvwnrznt8/s320/f12%25281%2529.JPG" width="320" /></span></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjjwur-_NUaJ3ZvleW0XHnAyEiCI31YOJ8sAwVLInsX-d_Rp-9-MZcyjR3NR4oaBvh2FrglPpUkYy7pC3ljZ9rdhT_Rm2hDEHT1RFZ8Z0gyTroHIXamP_wtBQodPTod5y-j0qzdqmMYeW8/s1600/f13%25281%2529.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: Verdana, sans-serif;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjjwur-_NUaJ3ZvleW0XHnAyEiCI31YOJ8sAwVLInsX-d_Rp-9-MZcyjR3NR4oaBvh2FrglPpUkYy7pC3ljZ9rdhT_Rm2hDEHT1RFZ8Z0gyTroHIXamP_wtBQodPTod5y-j0qzdqmMYeW8/s320/f13%25281%2529.JPG" width="320" /></span></a></div>
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<span style="font-family: Verdana, sans-serif;">O carro em MDF de 6mm não combina muito com a estrutura de acrílico, porém após colocar a mesa aquecida de alumínio, ele praticamente não aparecerá.</span><br />
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<span style="font-family: Verdana, sans-serif;">O conjunto do eixo X utiliza as mesmas peças de uma Prusa Mendel.</span><br />
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<span style="font-family: Verdana, sans-serif;">Abaixo, mas algumas fotos da estrutura, agora com os 3 eixos e os carros X e Y montados, e no final um vídeo para vocês verem como ficou o movimento. </span></div>
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<span style="font-family: Verdana, sans-serif; margin-left: 1em; margin-right: 1em;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6dg0FVwGFMR24P90r7gdovUEa39dS7ie14ZQ8Aojp5ZZJDmkX2rcBZyP1ba89JB7bakuJ0xX1Z4qDfr0ODdnBCS-bKCGnyrKnQsNCFDJTOz6xm_H3j4L5J99SKE3Rsz7vebI6JtnIMUY/s1600/f16%25281%2529.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="252" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6dg0FVwGFMR24P90r7gdovUEa39dS7ie14ZQ8Aojp5ZZJDmkX2rcBZyP1ba89JB7bakuJ0xX1Z4qDfr0ODdnBCS-bKCGnyrKnQsNCFDJTOz6xm_H3j4L5J99SKE3Rsz7vebI6JtnIMUY/s320/f16%25281%2529.JPG" width="320" /></a></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiDJjRVNVoERquKpmYBeBIO37P9WE6vN9TuXEdZqypJWAXiYPodjAQpcuU-knZP1Hzu-OF_6SDTo17jGxj2qwRzX7y5KmYzvu_GG-18IXbg6NVK7pDsJgcFKlOj9TukELrlOyWnMKmcAKg/s1600/f17%25281%2529.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: Verdana, sans-serif;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiDJjRVNVoERquKpmYBeBIO37P9WE6vN9TuXEdZqypJWAXiYPodjAQpcuU-knZP1Hzu-OF_6SDTo17jGxj2qwRzX7y5KmYzvu_GG-18IXbg6NVK7pDsJgcFKlOj9TukELrlOyWnMKmcAKg/s320/f17%25281%2529.JPG" width="320" /></span></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZVZSBFJEJk0T8jK6bfFPQv7bAyiwHeIcr4-Xhyus1mkKQ9U6i5vvQhf5IIynl5rqtBoAoDZYAxmMnpozNlqHo7EsrYEWHB6QmyhS7S4HIIR1N1a0wb0UqmQnUv8vKvul_raHblmzIPsw/s1600/f21%25281%2529.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: Verdana, sans-serif;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZVZSBFJEJk0T8jK6bfFPQv7bAyiwHeIcr4-Xhyus1mkKQ9U6i5vvQhf5IIynl5rqtBoAoDZYAxmMnpozNlqHo7EsrYEWHB6QmyhS7S4HIIR1N1a0wb0UqmQnUv8vKvul_raHblmzIPsw/s320/f21%25281%2529.JPG" width="320" /></span></a></div>
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<span style="font-family: Verdana, sans-serif;">Falta ainda, motores, extrusor, hotend, mesa aquecida e eletrônica. </span></div>
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<span style="font-family: Verdana, sans-serif;"><iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.blogger.com/video.g?token=AD6v5dwwg9ELcjQV717F2RXbK3uBfv7s08WUuCTOZbwwiC-qvW1Pw_KbBXWmrFB9ch54J86vpTn_JGn_qVd5NyrtOw' class='b-hbp-video b-uploaded' frameborder='0'></iframe></span></div>
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<span style="font-family: Verdana, sans-serif;">Até o próximo Post.</span></div>
Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com1tag:blogger.com,1999:blog-7318267703328809168.post-23823147028316288442012-09-28T10:51:00.000-07:002012-09-28T10:51:13.483-07:00Prusa Air - Impressora 3D - RepRap<div class="separator" style="clear: both; text-align: justify;">
<span style="font-family: Verdana, sans-serif;">Já faz algum tempo que quero iniciar a construção de uma nova impressora 3D,<b> </b>o projeto escolhido foi a Prusa Air, o motivo principal, foi porque eu acho ela muito bonita e também devido a facilidade de alinhamento e robustez que a estrutura apresenta.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqNXlC6ya7qadq1X9VCgb7vgQL1JdOGVsqwCV-xs0xaMKIzhG2gvJ3VEcjUGSjROMtspXGxfYvjpASUlffzTXin-1eeG-_RW73SGIhdtlHyck6U78BFAiJFiOh2U75IjrVCgb8qQRk5tQ/s1600/f00.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqNXlC6ya7qadq1X9VCgb7vgQL1JdOGVsqwCV-xs0xaMKIzhG2gvJ3VEcjUGSjROMtspXGxfYvjpASUlffzTXin-1eeG-_RW73SGIhdtlHyck6U78BFAiJFiOh2U75IjrVCgb8qQRk5tQ/s400/f00.jpg" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Acima, vemos uma foto de uma Prusa Air original, notem que ela usa barras roscadas na estrutura.</span></div>
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<span style="clear: left; float: left; font-family: Verdana, sans-serif; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh7f1ZpS3AraRlP5MMboFfvbTO7mFOBByj7HgZoH2jc7kesUC4CyXsftYeAi6zHjGTlW1eJV6oX96E2JTio1sw9X9iKBHpo-j5r33eR_l0bkeNrpQjrZBrqjKNjvV4wwTH1IzOhvYziiGs/s320/F02.jpg" width="320" /></span></div>
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<span style="font-family: Verdana, sans-serif;">Comprei uma placa de acrílico de 8mm. </span></div>
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<span style="font-family: Verdana, sans-serif;">O JP do blog <a href="http://www.imprimindo3d.com.br/"><span style="color: cyan;">www.imprimindo3d.com.br</span></a> foi quem fez o corte do acrílico para mim, pois ele já havia feito esse corte para a Prusa air que ele havia construído em MDF de 15mm.</span></div>
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<span style="font-family: Verdana, sans-serif;">Aqui podemos ver o JP fazendo os ajustes necessários no arquivo antes de cortar o acrílico.</span></div>
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<span style="font-family: Verdana, sans-serif;">Neste vídeo podemos ver a CNC em ação cortando o material com precisão.</span></div>
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<span style="clear: right; float: right; font-family: Verdana, sans-serif; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="175" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgX4LLmVv-Ivxj2l_RH1eIdlN8Ltzym_x2t97KVNtgWQ8kYzD2EJyM0KL0DoM57-sIi9n8xO7NyjCXQGeY0QFPAmuOAnmVBMMqU17-bTlRN0dp6f14kthXp89Rt-Pjsq0xOfaQIxLWRZMo/s320/F06.jpg" width="320" /></span></div>
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<span style="font-family: Verdana, sans-serif;">Já de volta a minha oficina, iniciei a montagem, o acrílico vem com um plástico na frente e atrás para proteger de arranhões.</span></div>
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<span style="clear: left; float: left; font-family: Verdana, sans-serif; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="264" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3D_QRzI8WMQKFca2qjLfYUgOE7XuFD5fOERUcHTR1GQkobo43yXl3QK44lG1DiHFq_PXsYqOOpN_ZVUitH4W33rVbSdlncOgBSgaUheEu9S-hHbp0Km-M9x4HpXEMjfBrrLreDbabi7Q/s320/F07.jpg" width="320" /></span></div>
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<span style="font-family: Verdana, sans-serif;">Ao retirar o plástico podemos ver que o corte fica perfeito na CNC, a montagem é muito simples, basta encaixar as partes, não tendo que se preocupar com o alinhamentos das peças.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwtKBOCtMjfjIDUsD01sKNd3xChdJxKUTGxgIXVChSNF-AiAQ0CX5X4oRtSqg1NGME-RPfgfchr_xTLedXMNIo8maHRYJlVA3EYNCz9PjEh37-YgbZlzpHChPDg-gT4A0SuhlP6mD2Nig/s1600/F08.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: Verdana, sans-serif;"><img border="0" height="295" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwtKBOCtMjfjIDUsD01sKNd3xChdJxKUTGxgIXVChSNF-AiAQ0CX5X4oRtSqg1NGME-RPfgfchr_xTLedXMNIo8maHRYJlVA3EYNCz9PjEh37-YgbZlzpHChPDg-gT4A0SuhlP6mD2Nig/s400/F08.jpg" width="400" /></span></a></div>
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<span style="font-family: Verdana, sans-serif;">Notem que esse projeto não utiliza as barras roscadas em nenhum parte da estrutura, elas foram substituídas por peças de acrílico também, e isso facilitou muito a montagem e alinhamento da estrutura, porém foi necessário usar cola para travar todos os encaixes e deixar a estrutura o mais firme possível, a cola recomendada para colar o acrílico é o clorofórmio, mas como a sua venda é controlada, utilizei super bonder no seu lugar, o qual aparentemente funcionou muito bem.</span></div>
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<span style="font-family: Verdana, sans-serif;">Até o próximo Post.</span></div>
Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com5tag:blogger.com,1999:blog-7318267703328809168.post-62281332580263160652012-09-25T17:05:00.000-07:002012-09-25T17:05:03.268-07:00Encontro RepRapBR - 22/09/2012<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;">No dia vinte e dois de setembro do ano de dois mil e doze foi realizado mais um encontro do grupo de estudo <a href="http://reprapbr-ge.blogspot.com.br/" target="_blank"><span style="color: cyan;">RepRapBR</span></a>, desta vez os anfitriões foram o Anderson Cunha e sua família, o encontro foi em Arujá - SP e durou o dia todo, com muito churrasco, cerveja e várias impressoras 3D.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjSZd8v19_0P8L_tB-_nihsdIi3uZBUmwpU33NrneBpvFQ2sraC6EJXEPktthglOvazeidtV91xwhDV9FQwz5OaHHpFpLHIeEVWw_yNvVr3-JeMBZUsUy8RP1UlS1TudF7kPtQYnQrSN9o/s1600/f14(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: Verdana, sans-serif;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjSZd8v19_0P8L_tB-_nihsdIi3uZBUmwpU33NrneBpvFQ2sraC6EJXEPktthglOvazeidtV91xwhDV9FQwz5OaHHpFpLHIeEVWw_yNvVr3-JeMBZUsUy8RP1UlS1TudF7kPtQYnQrSN9o/s400/f14(1).JPG" width="400" /></span></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLd-lh7Ug7nJkFl4O3FKdf1KQhkyojZ5R7PgGKkaiDh9UqIIr5EM0CwtmrmRagEfct7cTTUskmLlgBhPYxmunrgxwyFiB0s0qNc9f7tnter45V5iqMuV3QKrGU1NVIdaxbrS57ApM6BJE/s1600/f03%25281%2529.JPG" imageanchor="1" style="clear: right; display: inline !important; float: right; margin-bottom: 1em; margin-left: 1em; text-align: center;"><span style="font-family: Verdana, sans-serif;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLd-lh7Ug7nJkFl4O3FKdf1KQhkyojZ5R7PgGKkaiDh9UqIIr5EM0CwtmrmRagEfct7cTTUskmLlgBhPYxmunrgxwyFiB0s0qNc9f7tnter45V5iqMuV3QKrGU1NVIdaxbrS57ApM6BJE/s320/f03%25281%2529.JPG" width="320" /></span></a></div>
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<span style="font-family: Verdana, sans-serif;">A direita a nova Prusa do Anderson Cunha, ela possui peças personalizadas pelo próprio Anderson e imprime com muita qualidade.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj7f0joPUFL8t5k67xDrJ98WRyUeK4l0RGsY0uQqLFXUjbC19M4Ns52mxgHjfue4f4iggXIHNwx6jvNec0akM8_mNqXDCsJL2XNF8CtAk-FEe-J-i_lEa4kCx2DpHUi_BaKrFJhR6Eo768/s1600/f04%25281%2529.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj7f0joPUFL8t5k67xDrJ98WRyUeK4l0RGsY0uQqLFXUjbC19M4Ns52mxgHjfue4f4iggXIHNwx6jvNec0akM8_mNqXDCsJL2XNF8CtAk-FEe-J-i_lEa4kCx2DpHUi_BaKrFJhR6Eo768/s320/f04%25281%2529.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif; text-align: justify;">Essa é a Prusa Mendel do Eduardo, recém chegado ao grupo de estudo, mas com ótimos resultados em suas impressões.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgl0V3OEIGID6jW3UnYyTuV34mbRHFbQEZ3UGcZAhxH-fwmJ-q6vcrpprRvPEuUbg_x1kuVTAe75T8ByrRGE2buF6d7ro77LDDp_KESJ-W2uBdr6UGKOciLYbe6Iyj6iaH-tJiu_Q_oT_o/s1600/f05%25281%2529.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgl0V3OEIGID6jW3UnYyTuV34mbRHFbQEZ3UGcZAhxH-fwmJ-q6vcrpprRvPEuUbg_x1kuVTAe75T8ByrRGE2buF6d7ro77LDDp_KESJ-W2uBdr6UGKOciLYbe6Iyj6iaH-tJiu_Q_oT_o/s320/f05%25281%2529.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Notem que o Extrusor da Prusa do Eduardo é bem diferente do modelo Wade, a redução é feita por uma pequena caixa de engrenagens acoplada diretamente no motor.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhBljLpG0yLAW6w6fw9dP_iXXPp64-ekvmOh6x_8sDdxi_N3kEhHloAIlzh6iesBWGNCv7QouBLb-_cTIEpB1afpC1P4-Q_ZQKhmDo-rtxTmhnqhFFZl6h177gDqN4Ez-DfExVv2B5RQk/s1600/f06%25281%2529.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="237" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhBljLpG0yLAW6w6fw9dP_iXXPp64-ekvmOh6x_8sDdxi_N3kEhHloAIlzh6iesBWGNCv7QouBLb-_cTIEpB1afpC1P4-Q_ZQKhmDo-rtxTmhnqhFFZl6h177gDqN4Ez-DfExVv2B5RQk/s320/f06%25281%2529.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Essa é uma das melhores peças que já vi em termos de resolução, foi impressa pelo Eduardo com camada de 0,1mm de altura, utilizando filamento de 3mm em um bico com 0,35mm de diâmetro, parabéns pelo resultado.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiHDE_taIeDm_3ruw0QCJebMqhvfGelAl05IBCXDVUpxH0x69n7TV3zOUXbY-tq65X7AKKDRcb5cYnrzsGAgFkw7wr_Hr6FVpJtMIQ0a7QgPT8G_z0vbi6JWYekRO-k26WC9V6uRCBlqKc/s1600/f07%25281%2529.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiHDE_taIeDm_3ruw0QCJebMqhvfGelAl05IBCXDVUpxH0x69n7TV3zOUXbY-tq65X7AKKDRcb5cYnrzsGAgFkw7wr_Hr6FVpJtMIQ0a7QgPT8G_z0vbi6JWYekRO-k26WC9V6uRCBlqKc/s320/f07%25281%2529.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Essa já apareceu outras vezes aqui no blog, é a <a href="http://www.imprimindo3d.com.br/" target="_blank"><span style="color: cyan;">Prusa Air do JP</span></a>, feita com MDF de 15mm, extremamente robusta e como sempre imprimindo com alta qualidade.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhxKsmqWYKR462KDNIAzpL-cMkLhzhfNnPQhM4Ro40X6OYLktn4S_kV735Y8tlMQWq58SdDHePK6lLY-TuEzqNFjKgMOCQGfGfz1aR9ubgFA-YdI7O0HBfU2q7zWAKtxQhl0y2pmdCr7PU/s1600/f08%25281%2529.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhxKsmqWYKR462KDNIAzpL-cMkLhzhfNnPQhM4Ro40X6OYLktn4S_kV735Y8tlMQWq58SdDHePK6lLY-TuEzqNFjKgMOCQGfGfz1aR9ubgFA-YdI7O0HBfU2q7zWAKtxQhl0y2pmdCr7PU/s320/f08%25281%2529.JPG" width="286" /></a></div>
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<span style="font-family: Verdana, sans-serif; text-align: justify;">Esse é o novo projeto do Alain, a </span><a href="http://tantillus-br.blogspot.com.br/" style="font-family: Verdana, sans-serif; text-align: justify;" target="_blank"><span style="color: cyan;">Tantillus</span></a><span style="font-family: Verdana, sans-serif; text-align: justify;">, uma impressora pequena, porém muito boa, ela esta na fase inicial da montagem.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWrec8ISY0J5dt5_j8EaY0RFR0KNxcnj7zazs3WX5awNuG7E6bdRgvQjV_iJ3-LnzAnf6ZPjgcB1RoVeNidyJqANsyxrZkYaL8Lfy8ftX6zcXaUaSBdWlRY4QQWbpvmI8-DQu79zqyzLM/s1600/f09%25281%2529.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWrec8ISY0J5dt5_j8EaY0RFR0KNxcnj7zazs3WX5awNuG7E6bdRgvQjV_iJ3-LnzAnf6ZPjgcB1RoVeNidyJqANsyxrZkYaL8Lfy8ftX6zcXaUaSBdWlRY4QQWbpvmI8-DQu79zqyzLM/s320/f09%25281%2529.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Essa é a Prusa Mendel do Samuel que trouxe ela do Rio Grande do Sul para o encontro, é um Kit da Movtech.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJ3PF3_v5SdPeQN4WtzPqKhkowreu-rNHmvNM5YIv0mZkSdceV61WMp4wNPYoTr2tiSo3OLN3IyiF7yhnCBKMPD8TGvd_t0OYp3g0H7QZKsvHS6qK2wZVoUWabIZMSKTWc19fbU57Ytf8/s1600/f11%25281%2529.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJ3PF3_v5SdPeQN4WtzPqKhkowreu-rNHmvNM5YIv0mZkSdceV61WMp4wNPYoTr2tiSo3OLN3IyiF7yhnCBKMPD8TGvd_t0OYp3g0H7QZKsvHS6qK2wZVoUWabIZMSKTWc19fbU57Ytf8/s320/f11%25281%2529.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif; text-align: justify;">A esquerda a impressora Prusa Mendel (<a href="http://www.3dmachine.com.br/" target="_blank"><span style="color: cyan;">kit da 3DMachine</span></a>) mais equipada que eu já vi, a Prusa do Luck, ela possui tudo que você precisa para facilitar o dia a dia das impressões em 3D, lupa, pinças, </span><span style="font-family: Verdana, sans-serif; text-align: justify;">leds, mini Dremel e </span><span style="font-family: Verdana, sans-serif; text-align: justify;">cola PVC para impressão com mesa fria, a qual funciona muito bem. O mais legal é que todos os acessórios foram impressas por ela mesma.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6Yyrr7wCQX13a0gwK4x6I3TOGL-jyGJFHGwudKcpSm1vnhDrX84R0p7STllDMXgCB3ih34lUMfYto1jCaqf-8ogr1L0IUdk52zEiSkgW3oajO4N1TXQnxUJ23l5tmWjPheZm3cZ5urDA/s1600/f10%25281%2529.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6Yyrr7wCQX13a0gwK4x6I3TOGL-jyGJFHGwudKcpSm1vnhDrX84R0p7STllDMXgCB3ih34lUMfYto1jCaqf-8ogr1L0IUdk52zEiSkgW3oajO4N1TXQnxUJ23l5tmWjPheZm3cZ5urDA/s320/f10%25281%2529.JPG" width="294" /></a></div>
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<span style="font-family: Verdana, sans-serif;">E por fim, a futura Prusa Air que eu estou iniciando a montagem, toda feita em acrílico de 8mm, levei apenas para o pessoal poder ver a estrutura.</span></div>
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<span style="font-family: Verdana, sans-serif;">Os encontros acontecem num intervalo de mais ou menos 2 meses, se você quiser participar do próximo é só entrar para a lista <a href="https://groups.google.com/group/reprapbr/about?hl=pt-BR" target="_blank"><span style="color: cyan;">RepRapBR</span> </a>e acompanhar os Posts do grupo, basta gostar do assunto para participar.</span></div>
Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com0tag:blogger.com,1999:blog-7318267703328809168.post-36088670248115605592012-09-12T07:15:00.000-07:002012-09-12T07:52:22.416-07:00+ Acessórios para Prusa Mendel - RepRap<span style="font-family: Verdana, sans-serif;">Recentemente montei mais uma impressora batizada de Prusa Mendel Blue, apesar de parecer irmã da Prusa Mendel Red, na verdade ela é filha dela, uma vez que a Red imprimiu todas as peças da Blue.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7G5dxQlr0ekD-22ocI_vJ7GyiiQTzrbHPK244-9sartPNTXzvog6qxttVBArJI3qeMfwPMwHtJ0wbyU_02u-Q1qy1gF54F2PHGLYCpZfDDC5xHLwC5LxVPQc-9z9WeJ1AWGmqQyP6zVQ/s1600/f01(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7G5dxQlr0ekD-22ocI_vJ7GyiiQTzrbHPK244-9sartPNTXzvog6qxttVBArJI3qeMfwPMwHtJ0wbyU_02u-Q1qy1gF54F2PHGLYCpZfDDC5xHLwC5LxVPQc-9z9WeJ1AWGmqQyP6zVQ/s400/f01(1).JPG" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Depois que a impressora estava pronta e testada,</span><span style="font-family: Verdana, sans-serif;"> faltava colocar alguns acessórios que julgo e</span><span style="font-family: Verdana, sans-serif;">ssenciais para o modelo Prusa mendel.</span></div>
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<span style="font-family: Verdana, sans-serif;">Somente o suporte de carretel <a href="http://3dmachine.blogspot.com.br/2012/05/acessorios-para-impressora-3d.html" target="_blank"><span style="color: cyan;">Postei aqui no blog</span></a>, porém dei mais destaque a impressão do carretel, aconselho imprimir apenas o suporte e comprar o filamento já em carretel, pois também da muito trabalho ficar enrolando filamento.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKop-9Q7AIJw7lzcTal0QHvBB5mtfmFCGyNP9ZQUh_3frKidKSSp1iWm7MSsKJGiAiBSwpFNrq4dO6H1kzxPr6Ya-GIRRdZyC-FPSSoW0plvx2Fv0v0ScaJXRij6k0Xs2rAzRdZvtBsmc/s1600/f02%25281%2529.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKop-9Q7AIJw7lzcTal0QHvBB5mtfmFCGyNP9ZQUh_3frKidKSSp1iWm7MSsKJGiAiBSwpFNrq4dO6H1kzxPr6Ya-GIRRdZyC-FPSSoW0plvx2Fv0v0ScaJXRij6k0Xs2rAzRdZvtBsmc/s320/f02%25281%2529.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Antes de mostrar os acessórios, quero aproveitar o post para falar um pouco da eletrônica que a Prusa Blue usa, atualmente esta instalado o protótipo da Placa Gen7v1.2BR2, essa impressora ajudou o Grupo de Estudo a desenvolver e testar a Placa nacional para impressoras 3D RepRap, ela também usou a placa Gen7v1.2BR1. Mais detalhes sobre a placa e instruções para montar uma <a href="http://reprapbr-ge.blogspot.com.br/2012/08/placa-gen7br2.html" target="_blank"><span style="color: cyan;">neste link</span></a>.</span></div>
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<span style="font-family: Verdana, sans-serif; font-size: large;"><b>Acessórios para Prusa Mendel</b></span></div>
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<b style="font-family: Verdana, sans-serif;">Suporte para o carretel </b><b style="font-family: Verdana, sans-serif;">de filamento</b></div>
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<span style="font-family: Verdana, sans-serif;">No início cheguei a perder algumas impressões por causa do filamento embaraçar, travar, etc. imagina uma peça que demora 3 horas para imprimir, sem um sistema de alimentação automático, você vai precisar arrumar o filamento a cada 20 minutos no mínimo, o suporte que escolhi dá para ser impresso de uma vez só na diagonal de uma Prusa Mendel comum.</span></div>
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<span style="font-family: Verdana, sans-serif;">Utilizei o arquivo <a href="http://www.thingiverse.com/thing:22292" target="_blank"><span style="color: cyan;">deste link</span></a>, porém não imprimi com todas as camadas, cancelei a impressão com 12mm de altura, mais do que suficiente, para quem preferir, pode editar e mudar o arquivo.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtoZK7N0UcbMZE9SgG405kc_p4jQg76V7whXYGLAKFTP8roviv5EGNgfgr6_XPTwBVW7L-xTNhFNGAIqUXMOiIp1gNlx35_RQNKpHadZAJaIjN14chssL-1lkb95WzMDAHrYUUK_uaQrM/s1600/f05a%25281%2529.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtoZK7N0UcbMZE9SgG405kc_p4jQg76V7whXYGLAKFTP8roviv5EGNgfgr6_XPTwBVW7L-xTNhFNGAIqUXMOiIp1gNlx35_RQNKpHadZAJaIjN14chssL-1lkb95WzMDAHrYUUK_uaQrM/s320/f05a%25281%2529.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Imprimi também umas arruelas de diferentes tamanhos, de acordo com os furos dos meus carreteis, e usei mais algumas peças</span>
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<span style="font-family: Verdana, sans-serif;">As próximas fotos ilustram como deve ser montado o suporte.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjx68SMBddHUPPOLVg8t7WfGOQ-jhNaU5pBSHhsa3Ynp4uoGKOnm_76tLiCDEwNqtteD5lkRx-qZc1HBtnzM7J0C2JzNw4SLPkOISTtb5O53Jse4HCKvpirD_B64c4ni2dDRHKRjTIL0Xg/s1600/f05f%25281%2529.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="236" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjx68SMBddHUPPOLVg8t7WfGOQ-jhNaU5pBSHhsa3Ynp4uoGKOnm_76tLiCDEwNqtteD5lkRx-qZc1HBtnzM7J0C2JzNw4SLPkOISTtb5O53Jse4HCKvpirD_B64c4ni2dDRHKRjTIL0Xg/s320/f05f%25281%2529.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">É interessante deixar o parafuso um pouco apertado para que o filamento não desenrole, devido ele estar sob tensão no carretel, pois isso pode fazer com que ele embaralhe mesmo estando no carretel e trave, isso já aconteceu comigo, portanto, o parafuso deve ficar apertado, mas não muito, o trator deve conseguir puxar o filamento com facilidade, mas não pode ficar frouxo a ponto do filamento se desenrolar.</span></div>
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<span style="font-family: Verdana, sans-serif;"><b>Suporte para fonte ATX</b></span></div>
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<span style="font-family: Verdana, sans-serif;">Na impressora Red, <a href="http://3dmachine.blogspot.com.br/2012/03/ja-estou-de-posse-da-placa-mae-da.html" target="_blank"><span style="color: cyan;">eu postei </span></a>a instalação da fonte ATX na lateral usando um suporte feito em MDF, desta vez, fiz os arquivos 3D e imprimi as peças em ABS para o suporte.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEcrk33NMBO7uY2eXz-nkYyl9imPCdnbKOqib0skbgHNn_4QpdcIkY0qBe_eAelgUb6y5_IOUNN1-TvfRx5fNzNLsQgQCIMnKllaRvO1pz34PB4RrzmkiL0HajYNpEgg_gUTuoD5e7av0/s1600/f06%25281%2529.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="296" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEcrk33NMBO7uY2eXz-nkYyl9imPCdnbKOqib0skbgHNn_4QpdcIkY0qBe_eAelgUb6y5_IOUNN1-TvfRx5fNzNLsQgQCIMnKllaRvO1pz34PB4RrzmkiL0HajYNpEgg_gUTuoD5e7av0/s400/f06%25281%2529.JPG" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Os arquivos podem ser baixados no link: <a href="http://www.thingiverse.com/thing:30277" target="_blank"><span style="color: cyan;">http://www.thingiverse.com/thing:30277</span></a></span></div>
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<span style="font-family: Verdana, sans-serif;">Havia esquecido de fazer os furos por onde passam as abraçadeiras que prendem a fonte, portanto furei com a furadeira.</span></div>
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<span style="font-family: Verdana, sans-serif;">Disponibilizei <a href="http://www.thingiverse.com/thing:30277" target="_blank"><span style="color: cyan;">os arquivos STL no thingiverse</span></a>, para quem quiser usar, agora com todos os furos necessário.</span></div>
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<span style="font-family: Verdana, sans-serif;"><b>Regulagem do Home do eixo Z</b></span></div>
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<span style="font-family: Verdana, sans-serif;">Ficar mudando o endstop de posição do eixo Z no olhometro é muito difícil e não se iluda, é necessário regular toda hora, não é apenas acertar a posição uma vez, esse que usei é simples e funcional, arquivos <span style="color: red;"><a href="http://www.thingiverse.com/thing:11341" target="_blank">neste link</a></span>.</span></div>
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<span style="font-family: Verdana, sans-serif;">Alonguei o suporte do endstop, apaguei os furos originais e fiz dois pequenos para o microswith.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3VqjRhK_2H938vP9cUTlL491V1_v9I3T0-AEeEcPNkKQL043O0IRmhn25nySopsFNIQRYHMFyLRm05Saja90juAHNfFPqcj0H2xplkMie7bG2Wg5NB9Rw6HByeZ6dVBfEK6SoS2gBuvw/s1600/f15%25281%2529.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="296" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3VqjRhK_2H938vP9cUTlL491V1_v9I3T0-AEeEcPNkKQL043O0IRmhn25nySopsFNIQRYHMFyLRm05Saja90juAHNfFPqcj0H2xplkMie7bG2Wg5NB9Rw6HByeZ6dVBfEK6SoS2gBuvw/s400/f15%25281%2529.JPG" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Você pode usar uma mola de caneta, um parafuso M3 de 4cm, duas arruelas M3, uma porca M3. </span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJkQiJkRRQvmoBCWZGmGS9AbccRtxu7cZbKQrPm-tw-7JQVyWyyA6KkhsGeczXLV-etL3gr8HLtOYaMHehuB-Yx8-lZH2Z0M1jGC4fK5FFqw9K7C84PLj9SMz__qs9riMyJh4U_vk16u4/s1600/f19%25281%2529.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="296" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJkQiJkRRQvmoBCWZGmGS9AbccRtxu7cZbKQrPm-tw-7JQVyWyyA6KkhsGeczXLV-etL3gr8HLtOYaMHehuB-Yx8-lZH2Z0M1jGC4fK5FFqw9K7C84PLj9SMz__qs9riMyJh4U_vk16u4/s400/f19%25281%2529.JPG" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Colei o acessório com cola de PVC, como já expliquei anteriormente, o PVC funde o ABS e vira uma peça só!</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlrZja_CeSU_GtyvpeNfLCxktfPmF14Aqc8OZ8O6k3ah5kN-Id-ICWeDdQZWVmafw_ZUYaWFadbX8Cx5NCDGyn2rb_MJ5ScPZn6ooTvKU0pXJM6bP1wy5X9x5V9bFDLVWxau0wcVFH2js/s1600/f21%25281%2529.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="296" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlrZja_CeSU_GtyvpeNfLCxktfPmF14Aqc8OZ8O6k3ah5kN-Id-ICWeDdQZWVmafw_ZUYaWFadbX8Cx5NCDGyn2rb_MJ5ScPZn6ooTvKU0pXJM6bP1wy5X9x5V9bFDLVWxau0wcVFH2js/s400/f21%25281%2529.JPG" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif; text-align: justify;">A marcação é para evitar confusão, no sentido horário, o Home do Z sobe, e no anti-horário, desce, como o passo do parafuso M3 é de 0,50mm, cada 1/4 de volta sobe ou desce 0,125mm, permitindo uma regulagem bem precisa e fácil da altura do Home do Z (distância entre o bico e a mesa de impressão). </span></div>
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<b style="font-family: Verdana, sans-serif;">Duto Orbital</b>
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<span style="font-family: Verdana, sans-serif;">O próximo acessório não é um acento para privada, é um </span><span style="font-family: Verdana, sans-serif;"><b>Duto Orbital para o ventilador do bico</b>, se tem uma coisa que faz diferença na hora de imprimir uma peça pequena, ou uma torre fina, é o vento!! </span></div>
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<span style="font-family: Verdana, sans-serif;">Achei esse duto orbital que consegue contornar o bloco aquecedor do hotend, <a href="http://www.thingiverse.com/thing:17577" target="_blank"><span style="color: cyan;">neste link</span></a>.</span><br />
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<span style="font-family: Verdana, sans-serif;">Grande até de mais !</span> </div>
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<span style="font-family: Verdana, sans-serif;">O certo seria editar o arquivo, reduzir seu tamanho e reimprimir, porém tenho uma serra e cola PVC!</span></div>
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<span style="font-family: Verdana, sans-serif;">Nesta foto dá para ver como é feito o canal por onde passa o vento, direcionando o ar para o centro.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwPFITBD4HUJnzKF-5cbHkitDp4F4l6eCLRe5Mp1BY9MBAlm84l2H92MN7PVEBfpqPcMu1nhyphenhyphenzxO3-SG1sd4ZeaAYfBtWh0alxod2wASPF-szne7ImNFxP5QaSzUR3Hg8hg_sRBr9vRik/s1600/f28%25281%2529.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="296" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwPFITBD4HUJnzKF-5cbHkitDp4F4l6eCLRe5Mp1BY9MBAlm84l2H92MN7PVEBfpqPcMu1nhyphenhyphenzxO3-SG1sd4ZeaAYfBtWh0alxod2wASPF-szne7ImNFxP5QaSzUR3Hg8hg_sRBr9vRik/s400/f28%25281%2529.JPG" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Foi mais rápido editar a moda antiga e ainda sem desperdiçar ABS!</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi27NOGxHUv_J9WMH2d-YTPwd5gepZ0FwWKMUWwh8BVpRHBhtUs7DqsK0eP0a3K6EadKKtf9WKjqaidL0em965USHJmwLDYFwScWOYxWzgea-yjLAIPk2uwePHBdRcEHac7xQonQCpvFHQ/s1600/f31%25281%2529.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="296" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi27NOGxHUv_J9WMH2d-YTPwd5gepZ0FwWKMUWwh8BVpRHBhtUs7DqsK0eP0a3K6EadKKtf9WKjqaidL0em965USHJmwLDYFwScWOYxWzgea-yjLAIPk2uwePHBdRcEHac7xQonQCpvFHQ/s400/f31%25281%2529.JPG" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Escolhi usar um ventilador maior para sobrar vento, pois a placa Gen7v1.2Br2 tem saída para Fan que pode regular a velocidade do mesmo em uma escala de 1 a 255 via Gcode.</span>
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<span style="font-family: Verdana, sans-serif;">Para fixar o duto no carro X, utilizei chapinas de alumínio de um espelho de interruptor velho.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgB5YdTwgGlBWSVncg6fzDLiytQJY61XxvxQRpJdlBnVXXALy8JS8zAkBgSFz8Pld7bnLpG_MHTjRnM523Ud_SYKnQleuNaKpLkpPn6mR7S6rN2WL5925LwedkA9zoy6_HvPhKTok2IDeo/s1600/f33%25281%2529.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="296" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgB5YdTwgGlBWSVncg6fzDLiytQJY61XxvxQRpJdlBnVXXALy8JS8zAkBgSFz8Pld7bnLpG_MHTjRnM523Ud_SYKnQleuNaKpLkpPn6mR7S6rN2WL5925LwedkA9zoy6_HvPhKTok2IDeo/s400/f33%25281%2529.JPG" width="400" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Abaixo um vídeo acelerado de teste de impressão da impressora pronta e seus acessórios, imprimindo uma luminária.</span></div>
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<span style="font-family: Verdana, sans-serif;">Se alguém tiver alguma dúvida em algum dos acessórios, por favor, escreva no campo para comentários, até o próximo Post.</span></div>
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Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com4tag:blogger.com,1999:blog-7318267703328809168.post-67471013955240588112012-08-21T10:28:00.002-07:002012-08-21T10:28:10.497-07:00Imprimindo peça GRANDE - RepRap<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;">Uma das dificuldades que o pessoal tem é imprimir peças grandes em uma RepRap, o principal problema é o descolamento da primeira camada, e o efeito warp, quando as pontas de peça <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiwphy259yewpYaJ5Lwa99RgraSz1_FWDhIAh_89xjjkwCI_Hqmz7aJsG081pUKokJIiQ2DmS7POOgbAuLP4dsq0-2orBSrSrTwltHht6-zw-PfoKvfFwDoplavEphkfpngjvJax1XCMu0/s320/IMG_0006.jpg" target="_blank"><span style="color: cyan;">dobram para cima</span></a>.</span></div>
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<span style="font-family: Verdana, sans-serif;">Isso ocorre porque a medida que a impressora imprime uma camada em cima da outra, a de baixo que está mais fria tende a contrair e dessa forma a descolar da mesa.</span></div>
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<span style="font-family: Verdana, sans-serif;">Muita gente tem tido resultados muito interessantes usando mesa morna/ou fria, para grudar usam algum tipo de cola, recentemente um dos membros do grupo de estudo RepRapBR, Luciano Monteiro, conseguiu resultados muito positivos utilizando cola de PVC, aquela que usamos para colar tubos e conexões, porém na hora de imprimir peças grandes não deu tão certo.</span></div>
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<span style="font-family: Verdana, sans-serif;">Por isso, continuo sendo fã de mesa aquecida, usando uma boa, é possível minimizar esse problema, abaixo gravei um vídeo imprimindo uma peça grande, com mais de <b>23 cm </b>de ponta a ponta, tenho que imprimir na diagonal para caber na mesa de 20x20cm de área de impressão.</span></div>
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<a href="http://www.thingiverse.com/thing:22292"><span style="color: cyan; font-family: Verdana, sans-serif; font-size: x-small;">http://www.thingiverse.com/thing:22292</span></a>
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<span style="font-family: Verdana, sans-serif;"><b>Com a temperatura da mesa em 120ºC e o bico a 235ºC, imprimo as 3 primeiras camadas, após a terceira, baixo a temperatura da mesa para 110ºC e o bico para 225ºC.</b></span></div>
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<span style="font-family: Verdana, sans-serif;">Com essa receita é possível a impressão de grandes peças, mas não esqueça também de fechar as portas e janelas do cômodo onde esta a sua impressora, pois uma brisa pode descolar a peça facilmente no caso de uma impressora toda aberta como é a Prusa Mendel.</span></div>
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<span style="font-family: Verdana, sans-serif;">Notei que baixando a temperatura da mesa, o efeito warp NÃO acontece, se deixar acima de 110ºC até o final da impressão, acontece o warp.</span></div>
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<span style="font-family: Verdana, sans-serif;">Abaixo mais fotos, durante a impressão, e o resultado final:</span></div>
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<span style="font-family: Verdana, sans-serif;">Na última foto podemos ver que a peça praticamente não sofreu warp, menos de 0,5mm nas pontas, nada que atrapalhe a utilização dela. Sendo assim, eu particularmente não vou abandonar a mesa aquecida tão cedo.</span></div>
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<span style="font-family: Verdana, sans-serif;">Para montar uma mesa aquecida igual a essa, acesse <a href="http://3dmachine.blogspot.com.br/2012/08/mesa-aquecida-reprap-heated-bed-montagem.html" target="_blank"><span style="color: cyan;">este link</span></a>.</span></div>
Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com0tag:blogger.com,1999:blog-7318267703328809168.post-56155672864780921642012-08-11T12:30:00.003-07:002012-08-11T18:10:43.801-07:00Imprimindo a Luminária da Pixar<div class="separator" style="clear: both; text-align: center;">
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<span style="font-family: Verdana, sans-serif;">Já faz algum tempo que eu não imprimo nada, a não ser Kits e mais Kits para a montagem de uma Prusa Mendel igual a minha, fico muito feliz que o Brasil realmente caminha rápido para a popularização da impressora 3D.</span></div>
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<span style="font-family: Verdana, sans-serif;">Mas ontem a noite, sexta-feira, a pedido da minha esposa e de um amigo,</span><span style="font-family: Verdana, sans-serif;"> imprimi uma luminária muito conhecida graças aos estúdios da Pixar:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHkLEDdYQrhXvU1OIMFT39zaHNRYkIb4icQIzCbRH8FlUW4v1eJHs7YvLLDhfv7iISwBfUn2LHk3dzAWhF1qi86V9S8Y2oKbSVLkPnt-W-13re2AVpjKk3FoXf_fc3yF-IwzTRSImrIbY/s1600/Pixarb.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="174" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHkLEDdYQrhXvU1OIMFT39zaHNRYkIb4icQIzCbRH8FlUW4v1eJHs7YvLLDhfv7iISwBfUn2LHk3dzAWhF1qi86V9S8Y2oKbSVLkPnt-W-13re2AVpjKk3FoXf_fc3yF-IwzTRSImrIbY/s320/Pixarb.jpg" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlNxwGLPCoqYuHIxx7TJI-c2Z5Mzihc9UK6kw-_I_SfX4TMBv1aa0U-qeqrNtUfdMpljkFPgFHiIjZ4GVHlLDQ3ddZIQF0x8jKew365w5z8IuEgGL0p0mjk3UZ8kQUdlQhKep097mcGsg/s1600/F01.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlNxwGLPCoqYuHIxx7TJI-c2Z5Mzihc9UK6kw-_I_SfX4TMBv1aa0U-qeqrNtUfdMpljkFPgFHiIjZ4GVHlLDQ3ddZIQF0x8jKew365w5z8IuEgGL0p0mjk3UZ8kQUdlQhKep097mcGsg/s320/F01.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">A única peça que imprimi sem Raft foi a base, o Raft da Parte superior, já havia retirado na hora da foto.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9j5rxw4UG4uEcsdU7Bn1GSjDKGC5iKeJ5p3z7iJHWcYBDtfNDSWJwpWPkxMz7GohZtdJSLhOw76-JpQC0cBm6tYYphNVByhy1IE3W87efzxd4Gu37uRdxC5n-CIhV_Exwb2zduxLwB5k/s1600/F02.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9j5rxw4UG4uEcsdU7Bn1GSjDKGC5iKeJ5p3z7iJHWcYBDtfNDSWJwpWPkxMz7GohZtdJSLhOw76-JpQC0cBm6tYYphNVByhy1IE3W87efzxd4Gu37uRdxC5n-CIhV_Exwb2zduxLwB5k/s320/F02.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Fiquei sem a ponta dos dedos para lixar todo o Raft das peças, primeiro com lixa grossa, e depois com a fina, fica lisinho.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEji3wMGLKF9e1TUZ1zxae81Zd3r4yqfhhdjRD5mu26zg-R2SyOFi_Y6kSj3S8xq6cTKjvw4-0fGSJdUnndTsRgmfDqsY4h4peTkN9C2qxCjhkU7fEMp5ynbItt0MrXIYpwtysxWkuSLqys/s1600/F03.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEji3wMGLKF9e1TUZ1zxae81Zd3r4yqfhhdjRD5mu26zg-R2SyOFi_Y6kSj3S8xq6cTKjvw4-0fGSJdUnndTsRgmfDqsY4h4peTkN9C2qxCjhkU7fEMp5ynbItt0MrXIYpwtysxWkuSLqys/s320/F03.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Usei 2 molas da mesa aquecida (4x30mm), dobrei as pontas usando um alicate de bico fino, fica faltando colocar a parte elétrica.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhq9CUXTHJ6Tj9RE2NRKp_OdvrX3wSclgyD069ZIV-z6Bu6uhI5vh2KtiAB2-1KdJt7g5dcXVqOsbgteWqgttg08KRNj3-yZ92G3dDSKTykmItsWEbCUl9T7I8WbZD8fUbkryoqmZX9nvg/s1600/F04.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhq9CUXTHJ6Tj9RE2NRKp_OdvrX3wSclgyD069ZIV-z6Bu6uhI5vh2KtiAB2-1KdJt7g5dcXVqOsbgteWqgttg08KRNj3-yZ92G3dDSKTykmItsWEbCUl9T7I8WbZD8fUbkryoqmZX9nvg/s320/F04.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnTMC8Kub3z5zVgm8G0G41AY_BlC3WO8Yh1o1d5Vcn9Qa0RWFObR-91gKKJAs_8HclguE_jQiPpSB-J6FkpP_u93ZpWj6uDIsgmvfkaCP-X2nudLC2x6D28QiW7HyGS_bYxLFGf7pjYKA/s1600/F06.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnTMC8Kub3z5zVgm8G0G41AY_BlC3WO8Yh1o1d5Vcn9Qa0RWFObR-91gKKJAs_8HclguE_jQiPpSB-J6FkpP_u93ZpWj6uDIsgmvfkaCP-X2nudLC2x6D28QiW7HyGS_bYxLFGf7pjYKA/s320/F06.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Já havia esquecido o quanto é legal imprimir coisas, por isso vou montar mais uma impressora, imprimir Kits toma muito tempo da máquina, com duas posso continuar imprimindo coisas legais como essa luminária.</span><br />
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<br /></div>Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com5tag:blogger.com,1999:blog-7318267703328809168.post-42403834166581042102012-08-04T19:33:00.003-07:002013-05-09T17:44:21.016-07:00Mesa Aquecida RepRap - Heated Bed Montagem<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;">Até a mesa aquecida ficar legal, levou um tempo de aperfeiçoamentos, muita gente tem me escrito falando que montou uma mesa igual a minha e ela funciona muito bem, como a montagem e melhorias ficaram espalhadas nos posts anteriores, resolvi criar um Post concentrando a montagem passo a passo + a lista de peças completa para facilitar a vida do pessoal, vamos lá:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgR14gxjWnmTeTtuuEr7_uLxFxv8w0NU_-hRoRIYwMLa_idNqiiPun8d8CaA-iH16Q7Ms2k1Bshi6Ri7XLfrMEkA9fTp-bXzZJA3tQH0iZl_zYefFm9eOuXPZEdF18V3pUrsIZ-DLcV9tw/s1600/DSCN2470.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgR14gxjWnmTeTtuuEr7_uLxFxv8w0NU_-hRoRIYwMLa_idNqiiPun8d8CaA-iH16Q7Ms2k1Bshi6Ri7XLfrMEkA9fTp-bXzZJA3tQH0iZl_zYefFm9eOuXPZEdF18V3pUrsIZ-DLcV9tw/s320/DSCN2470.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif; font-size: large;"><b>Montagem de uma Mesa Aquecida (Healted Bed) para RepRap</b> </span></div>
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<span style="font-family: Verdana, sans-serif;">Alimentação 12v, consumo em torno de </span><span style="font-family: Symbol; line-height: 18.18181800842285px;">@ </span><span style="font-family: Verdana, sans-serif;">13A, aquecimento de 110º C em 10 minutos.</span><br />
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<span style="font-family: Verdana, sans-serif;">Lista de peças:</span></div>
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">4<span class="Apple-tab-span" style="white-space: pre;"> </span>Parafusos de cabeça chata fenda 1/8x1,5''</span></span></div>
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">14<span class="Apple-tab-span" style="white-space: pre;"> </span>Arruelas<span class="Apple-tab-span" style="white-space: pre;"> </span>4mm</span></span></div>
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">10<span class="Apple-tab-span" style="white-space: pre;"> </span>Porcas quadradas para os parafusos 1/8 de rosca</span></span></div>
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">4<span class="Apple-tab-span" style="white-space: pre;"> </span>Molas com diâmetro de </span></span><span style="font-family: Symbol; line-height: 115%;">@</span><span style="font-family: Verdana, sans-serif; line-height: 16.363636016845703px;"> 4mm x </span><span style="font-family: Symbol; line-height: 115%;">@</span><span style="font-family: Verdana, sans-serif; line-height: 16.363636016845703px;"> 3cm de altura</span></div>
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">1<span class="Apple-tab-span" style="white-space: pre;"> </span>Placa de alumínio<span class="Apple-tab-span" style="white-space: pre;"> </span>225x225x3mm</span></span></div>
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">8<span class="Apple-tab-span" style="white-space: pre;"> </span>Resistores cerâmica<span class="Apple-tab-span" style="white-space: pre;"> </span>10w 6R8</span></span></div>
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">1<span class="Apple-tab-span" style="white-space: pre;"> </span>Termistor<span class="Apple-tab-span" style="white-space: pre;"> </span>100k</span></span></div>
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">1<span class="Apple-tab-span" style="white-space: pre;"> </span>Pasta térmica<span class="Apple-tab-span" style="white-space: pre;"> </span></span></span></div>
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<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;">1</span><span class="Apple-tab-span" style="line-height: 16.363636016845703px; white-space: pre;"> Rolo de f</span><span style="line-height: 16.363636016845703px;">ita de Kapton (2,5cm no mínimo)</span><span class="Apple-tab-span" style="line-height: 16.363636016845703px; white-space: pre;"> </span></span></div>
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">1 pedaço de lã de vidro 20x20x1cm<span class="Apple-tab-span" style="white-space: pre;"> </span> </span></span></div>
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">30cm<span class="Apple-tab-span" style="white-space: pre;"> f</span>io de fibra de vidro 0,5x500mm</span></span></div>
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">1,5m<span class="Apple-tab-span" style="white-space: pre;"> f</span>io c/ bitola de 2mm</span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;">1 fio paralelo de 2x500mm</span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;">1 fio paralelo de 0,5x500mm</span></span><br />
<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">1 pedaço de papelão de 21x21cm</span></span><br />
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<span style="font-family: Verdana, sans-serif; line-height: 16.363636016845703px;">Ferramentas:</span><br />
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">Se não comprar a placa pronta, para preparar o alumínio, você vai precisar de serra tico-tico, furadeira, broca 4mm, broca de 2,5mm, escariador p/ alumínio para cortar a placa reta, veja a dica <a href="http://3dmachine.blogspot.com.br/2012/03/mesa-aquecida-reprap.html" target="_blank"><span style="color: cyan;">neste link</span></a>.</span></span><br />
<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;"><br /></span></span>
<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;">Cola tipo resina, indico Araudite;</span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;">Chave de fendas;</span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;">Chave de boca n.º 8;</span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;">Soldador;</span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;">Régua;</span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;">Caneta p/ CD;</span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;">Tesoura;</span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;">Estilete.</span></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCbR8aMVvTxMAZBYLSscKkxIkwd2PkXu6mz59ptUtRRq3sxag2KVU2uDYz_U_NvmCKicT7_QTVNcWEIUs4DlLKKmudXG9buP6odtl8FKgOYnTD2gBgr3HyyrerKxT6Nyb03spEyc1IHB8/s1600/F02.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="235" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCbR8aMVvTxMAZBYLSscKkxIkwd2PkXu6mz59ptUtRRq3sxag2KVU2uDYz_U_NvmCKicT7_QTVNcWEIUs4DlLKKmudXG9buP6odtl8FKgOYnTD2gBgr3HyyrerKxT6Nyb03spEyc1IHB8/s320/F02.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif; line-height: 16.363636016845703px;">A placa de alumínio deve estar desempenada, caso contrário vai prejudicar a impressão da primeira camada e consequentemente das demais, os furos devem ser escariados para acomodar a cabeça dos parafusos.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKkPFBa8EpeEvXWRbNrJn2aa5sX4j0DvviQre4a2VyAJQu-KGLKniEZS-ZoGPIoAaDuNafSJ2sKdF4eMw0y2c8ag_ff_xzVn0hp22nT8sEjTzpCu0_PvETSvmMDWlcj4SGWDTiSVYAU10/s1600/F03.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="207" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKkPFBa8EpeEvXWRbNrJn2aa5sX4j0DvviQre4a2VyAJQu-KGLKniEZS-ZoGPIoAaDuNafSJ2sKdF4eMw0y2c8ag_ff_xzVn0hp22nT8sEjTzpCu0_PvETSvmMDWlcj4SGWDTiSVYAU10/s320/F03.jpg" width="320" /></a></div>
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<span style="line-height: 16.363636016845703px;"><span style="font-family: Verdana, sans-serif;"><br /></span></span></div>
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<span style="font-family: Verdana, sans-serif; line-height: 16.363636016845703px; text-align: justify;">Dessa forma, não corre o risco do bico (hotend), ou duto de ventilador bater em algum parafuso.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhv-m4GkVKSt0OtcZVSZru8vai5Isq85H4uuprz3_zVnxBksXpTQFugY3K0Y23MidoxAZk73BrcKbYxlawpFzCCDDxGC0wein_i4Qm6O9y7aCIM3KL5Cq0dYw8bKKCoGYqeM27isuxOSqg/s1600/DSCN2402.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="228" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhv-m4GkVKSt0OtcZVSZru8vai5Isq85H4uuprz3_zVnxBksXpTQFugY3K0Y23MidoxAZk73BrcKbYxlawpFzCCDDxGC0wein_i4Qm6O9y7aCIM3KL5Cq0dYw8bKKCoGYqeM27isuxOSqg/s320/DSCN2402.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Deixando uma margem 1,25cm da borda, desenhe um quadrado de 20x20cm, e faça as marcações de acordo com as medidas em vermelho, com a posição dos furos posicionados para direita e esquerda, use canetinha para CD.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgbkAsxAGFsHacZK_Ccvv0Z-AO73uNGL4oFYzOGTvYtAXJGrCmmz75EK619UmdTQuOAMzfHbi0zX64lQ9BoYuB5ULWGJKctJgZ3VM768xfzpoeKNz4JFgM-De7qLFj4Im9LE0_X2P27xZg/s1600/DSCN2404.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="258" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgbkAsxAGFsHacZK_Ccvv0Z-AO73uNGL4oFYzOGTvYtAXJGrCmmz75EK619UmdTQuOAMzfHbi0zX64lQ9BoYuB5ULWGJKctJgZ3VM768xfzpoeKNz4JFgM-De7qLFj4Im9LE0_X2P27xZg/s320/DSCN2404.JPG" width="320" /></a></div>
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<div style="text-align: center;">
<span style="font-family: Verdana, sans-serif;">Faça uma linha reta entre as marcações.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYMaKQJafFyFWsLLwRB5m-tNbU6lmDzhE7QN6M4bmQk0528NbE3qvKUPdlg6rRCeK6q6Tiv1ujVS0WcUNDB7yWF3qMUCj_MDYfFaspJX-iJa2D1mrKR_mjP6q571_hTibYpfIDr2nIkjQ/s1600/DSCN2405.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="304" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYMaKQJafFyFWsLLwRB5m-tNbU6lmDzhE7QN6M4bmQk0528NbE3qvKUPdlg6rRCeK6q6Tiv1ujVS0WcUNDB7yWF3qMUCj_MDYfFaspJX-iJa2D1mrKR_mjP6q571_hTibYpfIDr2nIkjQ/s320/DSCN2405.JPG" width="320" /></a></div>
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<div style="text-align: center;">
<span style="font-family: Verdana, sans-serif;">No centro de cada marcação, será colado cada um dos resistores.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmvDAeDVbvBXwNN2ws8ETi-kesyhDcqgD4qwFJ5453TuuVYynaPbd3OZc_xrRLJe7GbUNlW-6d5QqxkVX5G16h3SNyt5ClSd2yaGMjNVTRgT2ttrxvjkDs0zeYYeJKEBJMg4_55G-xLic/s1600/DSCN2406.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmvDAeDVbvBXwNN2ws8ETi-kesyhDcqgD4qwFJ5453TuuVYynaPbd3OZc_xrRLJe7GbUNlW-6d5QqxkVX5G16h3SNyt5ClSd2yaGMjNVTRgT2ttrxvjkDs0zeYYeJKEBJMg4_55G-xLic/s320/DSCN2406.JPG" width="304" /></a></div>
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<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;">Utilize cola Araudite, passe em uma das três faces lisas do resistor e cole na placa no centro de cada marcação, conforme fotos.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKPVonVaogFbcupUv6PkBjD1CJg_QEoUOvgjgavrAH3W0xFNKL4SbrTDNcf04UZLg5r-zqgWBSbBbC1EsN5zVZ52LUtLfDv2pGqdEACi7Sp0-rK9Qq_n2wR3gAoU1MhdK8MnGprWhOOWo/s1600/DSCN2407.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="108" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKPVonVaogFbcupUv6PkBjD1CJg_QEoUOvgjgavrAH3W0xFNKL4SbrTDNcf04UZLg5r-zqgWBSbBbC1EsN5zVZ52LUtLfDv2pGqdEACi7Sp0-rK9Qq_n2wR3gAoU1MhdK8MnGprWhOOWo/s320/DSCN2407.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Coloque uma placa lisa em cima dos resistores e coloque um peso para que colem na placa de alumínio, espere colar bem, de acordo com as instruções da cola.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhy4pR18ize0-zkzsXVprNFSXoBceOt9qWJyLFipOv0qPTQ-XHD2ZYIRJMyZ_VhipyTdRTHRMDhZNFy8sBYixHGXpuCw50XWSgczVzBDfLl-X9Kd2_5-OzBT31YEvHsNCBXhofL8LAMh1Q/s1600/DSCN2424.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhy4pR18ize0-zkzsXVprNFSXoBceOt9qWJyLFipOv0qPTQ-XHD2ZYIRJMyZ_VhipyTdRTHRMDhZNFy8sBYixHGXpuCw50XWSgczVzBDfLl-X9Kd2_5-OzBT31YEvHsNCBXhofL8LAMh1Q/s320/DSCN2424.JPG" width="320" /></a></div>
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<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;">Levante o terminais de cada resistor para aplicar a fita de Kapton conforme a foto.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2Uh049xkSly1w1dlUSYoBLeMHpWxeP61jbX0yWUqvO5cbWA1mRaXuxcMHRev5UitoM9152yhVSQg9WyMlkCUznQKdSyHVVGbbN0_vEnQm6P0hUnvOkZ5FU3BPaxCIFRw2Nkm6aC_UzoQ/s1600/DSCN2425.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="218" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2Uh049xkSly1w1dlUSYoBLeMHpWxeP61jbX0yWUqvO5cbWA1mRaXuxcMHRev5UitoM9152yhVSQg9WyMlkCUznQKdSyHVVGbbN0_vEnQm6P0hUnvOkZ5FU3BPaxCIFRw2Nkm6aC_UzoQ/s320/DSCN2425.JPG" width="320" /></a></div>
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<div style="text-align: center;">
<span style="font-family: Verdana, sans-serif;">A fita evitará um curto caso os terminais venham a encostar na placa.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjM3MYsMfWdkiK4KNtPHCyGmYbMiS5f68Yzv7-xEgUoH0w5_EevsTzDySlzv9lGuOlb4oZXtHpP-ApOCAhhPAw4k0TvnRWpxGMcwrMZ04Hetr-0jYRNJgrqrr8Ahkg_oLvy_BFNYyHnyyY/s1600/DSCN2426.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjM3MYsMfWdkiK4KNtPHCyGmYbMiS5f68Yzv7-xEgUoH0w5_EevsTzDySlzv9lGuOlb4oZXtHpP-ApOCAhhPAw4k0TvnRWpxGMcwrMZ04Hetr-0jYRNJgrqrr8Ahkg_oLvy_BFNYyHnyyY/s320/DSCN2426.JPG" width="320" /></a></div>
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<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;">Faça um furo <b>NÃO passante</b> de </span><span style="font-family: Verdana, sans-serif;">2mm de profundidade x </span><span style="font-family: Verdana, sans-serif;">2,5mm de diâmetro para acomodar o termistor, coloque pasta térmica e depois o termistor no buraco.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6i670f0YuTZuffgi-8s4SNpJcNRrAOiN_mWXWtgElSrPXH42icSKXP0AFdtQcEF10FMW9iTPMOcIv9Po93n6GpIlqD65IB0ppeZW4DVSAYoIztVSZ3PXaVAoPCD8a2GLqQ6bS-pAa2tw/s1600/DSCN2427.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6i670f0YuTZuffgi-8s4SNpJcNRrAOiN_mWXWtgElSrPXH42icSKXP0AFdtQcEF10FMW9iTPMOcIv9Po93n6GpIlqD65IB0ppeZW4DVSAYoIztVSZ3PXaVAoPCD8a2GLqQ6bS-pAa2tw/s320/DSCN2427.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Prenda </span><span style="font-family: Verdana, sans-serif;">o termistor </span><span style="font-family: Verdana, sans-serif;">com fita Kapton.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5EOL1NNXY-XiSovXuzKXkwMvbCGMv8X_6Zp3RRXU6MgVPrdKDma_mPAqxYQC82agunWkgydFVPYTzv4DF_mKJWpGl7ZxoCKBixZytIKmfuogCt6ATSXEMIvnBn7XXVUwzbHaZdo9lrG8/s1600/DSCN2429.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="252" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5EOL1NNXY-XiSovXuzKXkwMvbCGMv8X_6Zp3RRXU6MgVPrdKDma_mPAqxYQC82agunWkgydFVPYTzv4DF_mKJWpGl7ZxoCKBixZytIKmfuogCt6ATSXEMIvnBn7XXVUwzbHaZdo9lrG8/s320/DSCN2429.JPG" width="320" /></a></div>
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<div style="text-align: center;">
<span style="font-family: Verdana, sans-serif;">Após a aplicação da fita de kapton, para evitar curtos, vem a ligação.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGhz1ybAdAr60a7Ec-pL5I0Yj65V-HdYxb2OpFqETz3E07FdRMw488PaZ7nvvTh8iSTsHuXT2In_dimahtCrqZH2DqKLGkM8RpdjC_9af0AxP3jeq1MiyLGfM2bLkAX7bzlw9GVk7ZazQ/s1600/DSCN2430.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGhz1ybAdAr60a7Ec-pL5I0Yj65V-HdYxb2OpFqETz3E07FdRMw488PaZ7nvvTh8iSTsHuXT2In_dimahtCrqZH2DqKLGkM8RpdjC_9af0AxP3jeq1MiyLGfM2bLkAX7bzlw9GVk7ZazQ/s320/DSCN2430.JPG" width="320" /></a></div>
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<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;">A ligação deve ser feita em paralelo, portanto o primeiro fio deve dar a volta na mesa de forma a ligar todos os terminais externos dos resistoes.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8oHEc143F3bseLhyrfkytvy-aO3Xtg12HnO9F1Ds_0H1UXRlUQtpmOEyOdlNRgCpxs-q7nOr1v75TstI04WEDmVZHmvxQFkQujKWNwHfzYEXQvWNlW3_jhRAqlk9WUDjAPzN_cXqH7Jo/s1600/DSCN243x0.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="230" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8oHEc143F3bseLhyrfkytvy-aO3Xtg12HnO9F1Ds_0H1UXRlUQtpmOEyOdlNRgCpxs-q7nOr1v75TstI04WEDmVZHmvxQFkQujKWNwHfzYEXQvWNlW3_jhRAqlk9WUDjAPzN_cXqH7Jo/s320/DSCN243x0.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif; text-align: justify;">Faça marcas com a canetinha onde será descascado o fio para soldar nos terminais de cada resistor.</span><br />
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<div style="text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUMcCBEq31ayuEvTYgd3deVUiFKFtxjALayA9IlVe8er5_br_luvwtIvT3nI1Nos9V7CoWHYbVnoH4SWVWDK6tZSfSu-RctsybDRuouOvmKO5LetQBhSy829ZTgajokK6RlAJ27VFbSDc/s1600/DSCN2435.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUMcCBEq31ayuEvTYgd3deVUiFKFtxjALayA9IlVe8er5_br_luvwtIvT3nI1Nos9V7CoWHYbVnoH4SWVWDK6tZSfSu-RctsybDRuouOvmKO5LetQBhSy829ZTgajokK6RlAJ27VFbSDc/s320/DSCN2435.JPG" width="320" /></a><br />
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<span style="font-family: Verdana, sans-serif;">Desencape uns 2mm, o suficiente para soldar no terminal.</span>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgaO0niU8zWfTtvF8GjcJhiYunmAxZxdYkxJBL4y3Wx63m1moIptKnE4TroP5gTf-k4OGmv4GtMvwxtnqtHsTLRc5ofXUwTykeFc2fV3KFg0nK_16G79KXtWa21yGr21WkcfpjwRgM01Fg/s1600/DSCN2434.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="267" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgaO0niU8zWfTtvF8GjcJhiYunmAxZxdYkxJBL4y3Wx63m1moIptKnE4TroP5gTf-k4OGmv4GtMvwxtnqtHsTLRc5ofXUwTykeFc2fV3KFg0nK_16G79KXtWa21yGr21WkcfpjwRgM01Fg/s320/DSCN2434.JPG" width="320" /></a></div>
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<div style="text-align: center;">
<span style="font-family: Verdana, sans-serif;">Agora está pronto para soldar.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiDW-C42LHciJSE_JzT9w20yCvW-np4GsZnxC-CyDsSVkmoTxrdca1cnD_K_s-mhzjeE3QZTXOFKNShXP7CxM3g_1xBqcSXfw7Z9_SQa96M3ChgCgFmwXGmYimU2FaZxmQxPImBWZX184E/s1600/DSCN2436.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiDW-C42LHciJSE_JzT9w20yCvW-np4GsZnxC-CyDsSVkmoTxrdca1cnD_K_s-mhzjeE3QZTXOFKNShXP7CxM3g_1xBqcSXfw7Z9_SQa96M3ChgCgFmwXGmYimU2FaZxmQxPImBWZX184E/s320/DSCN2436.JPG" width="320" /></a></div>
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<div style="text-align: center;">
<span style="font-family: Verdana, sans-serif;">Agora vamos marcar o fio que faz a ligação dos terminais centrais.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXdVCBQnAmhuhQ2bftCq91cr-OOMTQU7TJM9BVNmbBTDUqpgLJqLmotUPX8vpjZWtD3-bwqoC934B3CJlIOahaPA_3S9ehPxWiM7U9gM2WJJypMFsmtHqxSeoORWEtBPpYzCfoyn_VmDw/s1600/DSCN2437.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXdVCBQnAmhuhQ2bftCq91cr-OOMTQU7TJM9BVNmbBTDUqpgLJqLmotUPX8vpjZWtD3-bwqoC934B3CJlIOahaPA_3S9ehPxWiM7U9gM2WJJypMFsmtHqxSeoORWEtBPpYzCfoyn_VmDw/s320/DSCN2437.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEihZrKSKsiF-zb3iq2VSE66QiAHDsiDR93_6dKvw7ZDAG3NFNux3b1nrFPQh2jxmobGqYhDdlXP1ji4UoozoQ7WwS6NPxb5y-xAUudJumGH7dKteTcUHka0eIEIIj3PSqZgqRnAm0txOIk/s1600/DSCN2438.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEihZrKSKsiF-zb3iq2VSE66QiAHDsiDR93_6dKvw7ZDAG3NFNux3b1nrFPQh2jxmobGqYhDdlXP1ji4UoozoQ7WwS6NPxb5y-xAUudJumGH7dKteTcUHka0eIEIIj3PSqZgqRnAm0txOIk/s320/DSCN2438.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif; text-align: left;">Tente fazer boas soldas para evitar maus contatos, eu me esforço, é bom testar com um multímetro. </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgbHEDzX4dAsXhx74cNfxhmhRkF4KplqS0ApsXr7RdhFUDdmfH7IUxpHEcELmAgSsH3K33zsFoWQ0gnHrsuxzSFRDukOB9lCDL_gZh9ByPUbBWqqcX7BQpeM5MQpAAYOjNV3Sn30BLOMwE/s1600/DSCN2439.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="279" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgbHEDzX4dAsXhx74cNfxhmhRkF4KplqS0ApsXr7RdhFUDdmfH7IUxpHEcELmAgSsH3K33zsFoWQ0gnHrsuxzSFRDukOB9lCDL_gZh9ByPUbBWqqcX7BQpeM5MQpAAYOjNV3Sn30BLOMwE/s320/DSCN2439.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Se você não entende muito de eletrônica, como eu, tenha certeza que fez a ligação como na figura acima.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjtmiugNun_70whgHdDlVOoIrN0xqfwt7qvYZov_kxfwvZEqCW_RYRaXsDE30HTncwaaojQzpCdFuzu6-NGLCY0AeapWrTyn0lzf3zb1bBimYRPZD-KV1mTcFiPRXxV5jDBatuyqayjUI0/s1600/DSCN2440.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjtmiugNun_70whgHdDlVOoIrN0xqfwt7qvYZov_kxfwvZEqCW_RYRaXsDE30HTncwaaojQzpCdFuzu6-NGLCY0AeapWrTyn0lzf3zb1bBimYRPZD-KV1mTcFiPRXxV5jDBatuyqayjUI0/s320/DSCN2440.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Corte o excesso dos terminais.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiEkNbmiAD9iLSBTd-TcseZtGYd5_trpipgnbM0cZAU98RCAdcdrAO4FMbraAaw20kexTApPP-76TEuG_oD4NeCG2_ybd_zkloOZDHnbEdDDXQF4xRsKpqocksq3MsrNrkHzUV0XpI-Hg/s1600/DSCN2442.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: Verdana, sans-serif;"><img border="0" height="278" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiEkNbmiAD9iLSBTd-TcseZtGYd5_trpipgnbM0cZAU98RCAdcdrAO4FMbraAaw20kexTApPP-76TEuG_oD4NeCG2_ybd_zkloOZDHnbEdDDXQF4xRsKpqocksq3MsrNrkHzUV0XpI-Hg/s320/DSCN2442.JPG" width="320" /></span></a></div>
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<span style="font-family: Verdana, sans-serif;">Vamos agora fazer a ligação do termistor.</span></div>
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<span style="font-family: Verdana, sans-serif; margin-left: 1em; margin-right: 1em;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhV8EqADb6Xx4S08M9OEfrn-JfnYTiweeS9K_fSdKqSfNJ484AfzhQEAUBfxq0tunXRNMKLJWZjVwdJ6MVyPw2giGn4hyphenhyphen4z5PtjwYw4zsKTz6ctOpB4c6vTvKhx51kkh2AcxAMH23wvv5k/s1600/DSCN2444.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="306" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhV8EqADb6Xx4S08M9OEfrn-JfnYTiweeS9K_fSdKqSfNJ484AfzhQEAUBfxq0tunXRNMKLJWZjVwdJ6MVyPw2giGn4hyphenhyphen4z5PtjwYw4zsKTz6ctOpB4c6vTvKhx51kkh2AcxAMH23wvv5k/s320/DSCN2444.JPG" width="320" /></a></span></div>
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<span style="font-family: Verdana, sans-serif;">Solde os fios resistentes ao calor, fios revestidos de fibra de vidro são bons para isso, espaguetes de teflon, também servem.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCz9gz3sAW95Kkg2yJHgRik-eF88F4YnjzXlqemhqEsFqOpQN_k5IQ7yYdglMu3ofIWFEsn3TZoAu_IhF3j-TELTi9AzUV8Zz6Pa-FE3uZ4IxMff7bbatsoSPlcgfwLj58PJKm2OUN5sQ/s1600/DSCN2445.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: Verdana, sans-serif;"><img border="0" height="260" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCz9gz3sAW95Kkg2yJHgRik-eF88F4YnjzXlqemhqEsFqOpQN_k5IQ7yYdglMu3ofIWFEsn3TZoAu_IhF3j-TELTi9AzUV8Zz6Pa-FE3uZ4IxMff7bbatsoSPlcgfwLj58PJKm2OUN5sQ/s320/DSCN2445.JPG" width="320" /></span></a></div>
<span style="font-family: Verdana, sans-serif;"><br /></span>
<span style="font-family: Verdana, sans-serif;">Use uma camada fina (20x20x1cm) de lã de vidro para cobrir os resistores.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHIe7BkzIQZXDoPB7Bz0rbxrm528BPDFBq3Jc1krce3HjJ5D3bmbuKNsnjMU6CAqBmu_2cgY1Pz5Ov487J-wlMMApF8GpjjMhZsG59cxoCZmCqfAbOvBevNYZ__ybY_wxXcS8iLrm8eJc/s1600/gab.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHIe7BkzIQZXDoPB7Bz0rbxrm528BPDFBq3Jc1krce3HjJ5D3bmbuKNsnjMU6CAqBmu_2cgY1Pz5Ov487J-wlMMApF8GpjjMhZsG59cxoCZmCqfAbOvBevNYZ__ybY_wxXcS8iLrm8eJc/s320/gab.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Use o desenho acima para marcar um pedaço de papelão para montar a caixa de isolamento térmico da mesa, v</span><span style="font-family: Verdana, sans-serif;">ocê deve cortar no traço contínuo e dobrar onde está tracejado.</span><span style="text-align: center;"><span style="font-family: Verdana, sans-serif;"> S</span></span><span style="font-family: Verdana, sans-serif;">e você comprou o Kit da 3Dmachine, pode usar o papelão da própria caixa onde vem o kit.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJW-hKVIQsKRPZhIWOFJDhafUKQuve99hemFlHVyj9_8pjV8fTgxCv8VWN90UY4JtUIcoK3y1wULHhpLb5vcv5kVyr-v-DxQTuLW9lYqXd00V7avTtaunoISUxezbnsPrhTcTrnDTAaaY/s1600/RSCN2488.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJW-hKVIQsKRPZhIWOFJDhafUKQuve99hemFlHVyj9_8pjV8fTgxCv8VWN90UY4JtUIcoK3y1wULHhpLb5vcv5kVyr-v-DxQTuLW9lYqXd00V7avTtaunoISUxezbnsPrhTcTrnDTAaaY/s320/RSCN2488.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Corte um pedaço de papelão com 210x210mm.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirWrzo94gUqcnxsnka4BPAetOl8TVaKnNM_TbOb19WJIY_pHJiTsmBvwwSxyFxFEPCJV_T7FFgDYEZVLcK7A50J8PZyqo2gG8vgRh7ARWRLp6M7nvTI01CwxaruWFYy0JFbQ-idewRKQE/s1600/RSCN2490.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirWrzo94gUqcnxsnka4BPAetOl8TVaKnNM_TbOb19WJIY_pHJiTsmBvwwSxyFxFEPCJV_T7FFgDYEZVLcK7A50J8PZyqo2gG8vgRh7ARWRLp6M7nvTI01CwxaruWFYy0JFbQ-idewRKQE/s320/RSCN2490.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Passe o estilete no local das dobra, apenas na camada superficial do papelão, dessa forma ele vai dobrar reto e sem amassar muito.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBqtaJ6GhMYtV8zpZzdk4WwkL6Ejssw9HITzvq-4weLKoZJ5kT-8ojdCaX2-zRr032AtMSVBS6xn_o5Ovc984g7WX00t-VpHmDl5pqeIdQt5o6CBV2CPSfVKoQT-eTyK7PY2jzZFkXKqU/s1600/RSCN2493.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBqtaJ6GhMYtV8zpZzdk4WwkL6Ejssw9HITzvq-4weLKoZJ5kT-8ojdCaX2-zRr032AtMSVBS6xn_o5Ovc984g7WX00t-VpHmDl5pqeIdQt5o6CBV2CPSfVKoQT-eTyK7PY2jzZFkXKqU/s320/RSCN2493.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Usando a fita de Kapton, monte os cantos.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZyQhGSVuavRN7U0Bm0s7ibxtPFPi8LIPdvWLb3dYT5ePpA_lQOzaWcuncXChwE-R1crX5hvcbqhEpl5yRnonw9-Po60cMCBBX_LSrUZfDrDOLo3XZay-vtdOX0EplVqhWoVELpHg8MJo/s1600/RSCN2496.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZyQhGSVuavRN7U0Bm0s7ibxtPFPi8LIPdvWLb3dYT5ePpA_lQOzaWcuncXChwE-R1crX5hvcbqhEpl5yRnonw9-Po60cMCBBX_LSrUZfDrDOLo3XZay-vtdOX0EplVqhWoVELpHg8MJo/s320/RSCN2496.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Monte os 4 cantos.</span> </div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGLs2HNw1mLBgQOwA4s7d4Vy4lWhyphenhyphenOcNNC4PcfNpK8ND6VdIk6-D82_LHlw93z82j5vcuAs15uqt7xzIbcqNNieCnMa2GQk9fpNr8pcA-ifc-oVFXl4_mNTvirteIky0SeWqrrodOgc9E/s1600/RSCN2498.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGLs2HNw1mLBgQOwA4s7d4Vy4lWhyphenhyphenOcNNC4PcfNpK8ND6VdIk6-D82_LHlw93z82j5vcuAs15uqt7xzIbcqNNieCnMa2GQk9fpNr8pcA-ifc-oVFXl4_mNTvirteIky0SeWqrrodOgc9E/s320/RSCN2498.JPG" width="320" /></a></div>
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<div style="text-align: center;">
<span style="font-family: Verdana, sans-serif;">Use novamente a fita para fixar a caixa na mesa de alumínio, cobrindo os resistores e a lã de vidro.</span></div>
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<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><img border="0" height="306" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiht9an8AKM2ZJR0BuskhEllVlBIEUSn1BHz2KyI4Mi7h4J9fvyxLZlO40eh2xYI-2hdbI210FcmkmHfcBJRLdQl_tgiQPegcLF7w8xJeQVg8Uh6wADciG8LobsP1dg3-NwbPbjwqK0otM/s320/DSCN2447.JPG" style="margin-left: auto; margin-right: auto;" width="320" /></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><br /></td></tr>
</tbody></table>
<span style="font-family: Verdana, sans-serif; text-align: justify;">Com a caixa de papelão + lã de vidro, a mesa aquece mais rápido e evita a perda de calor pela parte de baixo, evita também que a correia fique exposta ao calor dos resistores, use a fita de kapton para colar a caixa de papelão na placa de alumínio.</span><span style="font-family: Verdana, sans-serif;">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_qu7axOZzFcK2gmRA0TbK4slHi7G57rMpW0tTkxMYCG03oAFECB0uTNKAOVLILXE0KAhQQUdgThHpMXgunh8EN0IIwJTeihX_mXIhnOqU9qja1LLqMKCttQl7n0ECT5z5qUDuGhemzFE/s1600/DSCN1907(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="205" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_qu7axOZzFcK2gmRA0TbK4slHi7G57rMpW0tTkxMYCG03oAFECB0uTNKAOVLILXE0KAhQQUdgThHpMXgunh8EN0IIwJTeihX_mXIhnOqU9qja1LLqMKCttQl7n0ECT5z5qUDuGhemzFE/s320/DSCN1907(1).JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Faça cortes onde encaixam os clipes das correias, para que a mesa possa descer nos cursos das molas, caso contrário fica sem espaço e a mesa fica travada.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimfcdgVIxgLkMU_VakXldfMtZlIiWEx4nJyqK34NU0vXnuREj-kJ3kyvwq2x-e-fTZdBBJqyDrAKrTInNfNsHThhq0ZkPwkY1jIFTXkptYwyifa4bNfLWvgWVmyETfuCELJzlO_yUZ0rQ/s1600/DSCN1908(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="154" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimfcdgVIxgLkMU_VakXldfMtZlIiWEx4nJyqK34NU0vXnuREj-kJ3kyvwq2x-e-fTZdBBJqyDrAKrTInNfNsHThhq0ZkPwkY1jIFTXkptYwyifa4bNfLWvgWVmyETfuCELJzlO_yUZ0rQ/s320/DSCN1908(1).JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Faça um pré-nivelamento da mesa, deixando as porcas na mesma distância do término do parafuso, usa vez que a mesa ficará apoiada nas porcas.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgwz8zvyG6DNq0n0hS3oHVvFsO3sUWI9zEShs_v4jQO0U4sQQ6552inFyR1HCS1wBmnc-cy99-Yup28ESmJJR4FLpIBK-ohgA0f1P0kb2RpwXkKeRH98nFW0F_z2HHAqlgJVJhd4SUPWQc/s1600/DSCN2471.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="216" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgwz8zvyG6DNq0n0hS3oHVvFsO3sUWI9zEShs_v4jQO0U4sQQ6552inFyR1HCS1wBmnc-cy99-Yup28ESmJJR4FLpIBK-ohgA0f1P0kb2RpwXkKeRH98nFW0F_z2HHAqlgJVJhd4SUPWQc/s320/DSCN2471.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Cole as tiras de fita de Kapton </span><span style="font-family: Verdana, sans-serif;">o mais próximo possível uma da outra sem sobrepor, </span><span style="font-family: Verdana, sans-serif;">assim fica mais fácil de trocar apenas uma tira quando alguma for danificada.</span><span style="font-family: Verdana, sans-serif;"> Cole a fita</span><span style="font-family: Verdana, sans-serif;"> sobre toda a superfície da mesa, entre os parafusos, sem cobrir as cabeças.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjaE9vLwmRFsF0NjgAtR1J__h83SzJsHZ_s6fng65lraHgvDOOrMEDCMFFGC6XNsILjTvdx5C6Y_LBegSjyItxwHFXm-T8h1Us-dyn_ZlRpzi4VhV2Hyn0CxIDCmFeneB7vCAWVYx50cPo/s1600/nivel20aluminio.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="76" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjaE9vLwmRFsF0NjgAtR1J__h83SzJsHZ_s6fng65lraHgvDOOrMEDCMFFGC6XNsILjTvdx5C6Y_LBegSjyItxwHFXm-T8h1Us-dyn_ZlRpzi4VhV2Hyn0CxIDCmFeneB7vCAWVYx50cPo/s320/nivel20aluminio.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Agora basta fixar a mesa no carro Y, p</span><span style="font-family: Verdana, sans-serif;">ara terminar de ni</span><span style="font-family: Verdana, sans-serif;">velar a mesa corretamente utilize um nível na hora de apertar os parafusos junto as porcas.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgR14gxjWnmTeTtuuEr7_uLxFxv8w0NU_-hRoRIYwMLa_idNqiiPun8d8CaA-iH16Q7Ms2k1Bshi6Ri7XLfrMEkA9fTp-bXzZJA3tQH0iZl_zYefFm9eOuXPZEdF18V3pUrsIZ-DLcV9tw/s1600/DSCN2470.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgR14gxjWnmTeTtuuEr7_uLxFxv8w0NU_-hRoRIYwMLa_idNqiiPun8d8CaA-iH16Q7Ms2k1Bshi6Ri7XLfrMEkA9fTp-bXzZJA3tQH0iZl_zYefFm9eOuXPZEdF18V3pUrsIZ-DLcV9tw/s320/DSCN2470.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Solde os fios dos resistores e do termistor no cabo que vai até a placa mãe.</span><br />
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<span style="font-family: Verdana, sans-serif;">Teste a mesa, ligando-a via Pronterface e acompanhe a temperatura subindo, ela deve chegar a 110º C em </span><span style="font-family: Symbol; line-height: 18.18181800842285px;">@</span><span style="font-family: Verdana, sans-serif;"> 10 minutos com um consumo médio de </span><span style="font-family: Symbol; line-height: 18.18181800842285px;">@ </span><span style="font-family: Verdana, sans-serif;">13A para aquecer, depois de aquecida o consumo cai.</span><br />
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<span style="font-family: Verdana, sans-serif; line-height: 16.363636016845703px;">O Material necessário para montar essa mesa pode ser adquirido em forma de Kit </span><a href="http://www.3dmachine.com.br/mesa-de-impressao/kit-de-mesa-de-impress-o-aquecida.html" style="font-family: Verdana, sans-serif; line-height: 16.363636016845703px;" target="_blank"><span style="color: cyan;">neste link.</span></a><span style="font-family: Verdana, sans-serif; line-height: 16.363636016845703px;">.</span><br />
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<span style="font-family: Verdana, sans-serif; line-height: 16.363636016845703px;">Qualquer dúvida durante a montagem, enviem um e-mail para: paulo@3dmachine.com.br</span><br />
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<span style="font-family: Verdana, sans-serif; line-height: 16.363636016845703px;">Para quem quiser ver todos os Posts anteriores relacionados a essa mesa aquecida, aqui estão os links:</span><br />
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<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;"><a href="http://3dmachine.blogspot.com.br/2012/03/mesa-aquecida-reprap.html">http://3dmachine.blogspot.com.br/2012/03/mesa-aquecida-reprap.html</a></span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;"><a href="http://3dmachine.blogspot.com.br/2012/05/revisao-da-mesa-aquecida.html">http://3dmachine.blogspot.com.br/2012/05/revisao-da-mesa-aquecida.html</a></span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;"><a href="http://3dmachine.blogspot.com.br/2012/05/mesa-de-impressao.html">http://3dmachine.blogspot.com.br/2012/05/mesa-de-impressao.html</a></span></span><br />
<span style="font-family: Verdana, sans-serif;"><span style="line-height: 16.363636016845703px;"><a href="http://3dmachine.blogspot.com.br/2012/07/mesa-aquecida-melhorias.html">http://3dmachine.blogspot.com.br/2012/07/mesa-aquecida-melhorias.html</a></span></span>Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com2tag:blogger.com,1999:blog-7318267703328809168.post-9319882420830527792012-07-15T13:14:00.001-07:002012-07-16T08:03:29.226-07:00Hotend - Experimentos<div style="text-align: center;">
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<span style="font-family: Verdana, sans-serif;"> Continuo usando o Hotend projetado pelo grupo de estudo brasileiro RepRapBR. Fui o primeiro a instalar esse conjunto e atesto o bom funcionamento do mesmo, a não ser pelo vazamento que não consigo conter.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEik_wEceKquEfcZ3n3q-JdOwOpS2t6hIhneGo_zaV1KxYuWIlu8y4bLzCKUGZ7uuTAAp-lx7i_Oo-yCSvLK3RqVrfgojiTXXeHF2kELQMlLiFY176w-dst7NBlhSvIBmQan9QP8FazcaJI/s1600/DSCN1880.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEik_wEceKquEfcZ3n3q-JdOwOpS2t6hIhneGo_zaV1KxYuWIlu8y4bLzCKUGZ7uuTAAp-lx7i_Oo-yCSvLK3RqVrfgojiTXXeHF2kELQMlLiFY176w-dst7NBlhSvIBmQan9QP8FazcaJI/s320/DSCN1880.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> A única peça do conjunto que tem apresentado problemas, é o disco de madeira, eu inclusive já troquei o primeiro disco que estava muito queimado, <a href="http://3dmachine.blogspot.com.br/2012/06/hora-de-abrir-o-bico.html" target="_blank">vejam aqui</a>. O disco atual já esta empenado tb.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJvQ1DkysmplIX0M-EJrSiXuUOZ8g-6xZrtDrGB2JwNFW-pQ9XwTyoi738LAokoDt_c6SgMz0TzEOQU22ZD3XYnVevqita1LfnfDBTBHuODnoNG8rWx5Cm-C4QHRQ2hdcM9UA1Hrj40g4/s1600/DSCN1885.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJvQ1DkysmplIX0M-EJrSiXuUOZ8g-6xZrtDrGB2JwNFW-pQ9XwTyoi738LAokoDt_c6SgMz0TzEOQU22ZD3XYnVevqita1LfnfDBTBHuODnoNG8rWx5Cm-C4QHRQ2hdcM9UA1Hrj40g4/s320/DSCN1885.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHBvQt7CVEbO-_Hz_S687GUdd_Ihgu7uL2hveCNCSzjZL3g_1XgUa3pqUBmo77SGH0ycLdD7rgaGhdoxfCM6QxdZMnzOduf0sAl25v-SOIqJuY4Wb_-QRrzpwaepI4HcYgnJ2ds7SH-XE/s1600/DSCN1886.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHBvQt7CVEbO-_Hz_S687GUdd_Ihgu7uL2hveCNCSzjZL3g_1XgUa3pqUBmo77SGH0ycLdD7rgaGhdoxfCM6QxdZMnzOduf0sAl25v-SOIqJuY4Wb_-QRrzpwaepI4HcYgnJ2ds7SH-XE/s320/DSCN1886.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjisRxnDJY7ifMShG6ZCYUrrMpEr087AHfMwRp9CG3IXK_dfnLJSBkNXVGdc-1mMbR7rp48qnLXXJhS9P3Aeej7KjdEpwqcZeYwC_Dmt3NlVB8xgvtIeXsA9dDhABXj3vqgoWBbF9Q73YQ/s1600/DSCN1888.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjisRxnDJY7ifMShG6ZCYUrrMpEr087AHfMwRp9CG3IXK_dfnLJSBkNXVGdc-1mMbR7rp48qnLXXJhS9P3Aeej7KjdEpwqcZeYwC_Dmt3NlVB8xgvtIeXsA9dDhABXj3vqgoWBbF9Q73YQ/s320/DSCN1888.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1IC_jKVgt7NiHUQEgxRugnVfU3wjB72rIJBbkXMtHqxULND1NGGXowPKlLQuyoLaLEZoU0U2nN4vuJBHMPorxK2a_vFu9LR5sRCq-eqtia3JsURfXQ86NR061o7V9evOj-7TWQyQSE-I/s1600/DSCN1889.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1IC_jKVgt7NiHUQEgxRugnVfU3wjB72rIJBbkXMtHqxULND1NGGXowPKlLQuyoLaLEZoU0U2nN4vuJBHMPorxK2a_vFu9LR5sRCq-eqtia3JsURfXQ86NR061o7V9evOj-7TWQyQSE-I/s320/DSCN1889.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> O vazamento ocorre na junção entre a traseira do bico e o teflon, formando uma camada muiiiiiito fina em torno da traseira do bico. </span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGc1VlgtVFDPtqHNwFz27FVdrbEHeJldh9FWLsR_3idxel0UKfu1QA01KpIUBKT33YWVXpi1O11c9DlOHTfrdWdmlWK-eFRy6ok-ItAl1a8oASNLmIT9EDD5unNJhngozGZhxUV_bZ2UE/s1600/DSCN1890.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGc1VlgtVFDPtqHNwFz27FVdrbEHeJldh9FWLsR_3idxel0UKfu1QA01KpIUBKT33YWVXpi1O11c9DlOHTfrdWdmlWK-eFRy6ok-ItAl1a8oASNLmIT9EDD5unNJhngozGZhxUV_bZ2UE/s320/DSCN1890.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> O plástico grudou legal no disco e tive que arrebentar tudo para poder desmontar o conjunto, notei que com PLA vaza mais ainda.</span>
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<span style="font-family: Verdana, sans-serif;"> Vale a pena clicar na foto e ver em tamanho grande.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPnAisd72WYHmJ2EQLSCjHWb5sKaO8FtiyOXNjRWZaTrao57BOrHJNdIEMscuo7GnUe3GRF6nX9Y7enQBXQ7dJBY_t_SqX9a4vaLY7YVCkPGcr9oJQR3tqw9MS-dl0I-GBM2q6G-wuNsQ/s1600/DSCN1893.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="210" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPnAisd72WYHmJ2EQLSCjHWb5sKaO8FtiyOXNjRWZaTrao57BOrHJNdIEMscuo7GnUe3GRF6nX9Y7enQBXQ7dJBY_t_SqX9a4vaLY7YVCkPGcr9oJQR3tqw9MS-dl0I-GBM2q6G-wuNsQ/s320/DSCN1893.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYIbjGmbqgGtxIHDAO6-z6GM6KasCmrCfnv9Ty-N26kazF65POR9mVRIeK9RtfU1xnXwgCgOYsjpiA0IVecilOQLLX0FC3-dOSAVOE2o4BiIzNmkbOVS8NtgNXdEFJQe9lwW5Y1PufuLQ/s1600/DSCN1895.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYIbjGmbqgGtxIHDAO6-z6GM6KasCmrCfnv9Ty-N26kazF65POR9mVRIeK9RtfU1xnXwgCgOYsjpiA0IVecilOQLLX0FC3-dOSAVOE2o4BiIzNmkbOVS8NtgNXdEFJQe9lwW5Y1PufuLQ/s320/DSCN1895.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Depois de uma limpeza básica, as peças ficam novas novamente.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8X6F0XjLBxkdGSp6Rb8z8XFLX9mKhyzxD0QY3_mqCTMIVHxIrkqTyyuguZkS66h2QdnchkHU0QK3XQl0w2JhDR9FBlGMveW9CBqJEVjLMgoOJ3brNp4ASsux7BTQEXVZUkmbBreId2D8/s1600/DSCN1917.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8X6F0XjLBxkdGSp6Rb8z8XFLX9mKhyzxD0QY3_mqCTMIVHxIrkqTyyuguZkS66h2QdnchkHU0QK3XQl0w2JhDR9FBlGMveW9CBqJEVjLMgoOJ3brNp4ASsux7BTQEXVZUkmbBreId2D8/s320/DSCN1917.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Cansado do disco de madeira, resolvi tentar um material novo que achei na Rua Florenço de Abreu, no centro de São Paulo, o vendedor falou que era uma placa de fibra de vidro prensada industrialmente (com resina), 6mm, paguei R$ 3,00 por esse pequeno pedaço, sei que fibra de vidro aguenta altíssimas temperaturas, muito mais do que o Hotend gera de calor, porém a resina não necessariamente. </span></div>
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.youtube.com/embed/mrOXRtavqe8?feature=player_embedded' frameborder='0'></iframe></div>
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<span style="font-family: Verdana, sans-serif;"> A placa é muito rígida, difícil de cortar, tive que utilizar uma furadeira de bancada com uma serra copo. Acima vídeo editado do processo.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEge0BpLpFEH4JlME8ZPUXa5hkihziRNxSSxZuv02gxcpPE5-yUA5je7RFl3fUUBJAylPWWPUeRBFSZ0CEDHECYLg7guinw0biILSrdL4TV3nUTzWllq3B5AbZlR8CgAUQGKfjVX-f9150s/s1600/DSCN1920.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEge0BpLpFEH4JlME8ZPUXa5hkihziRNxSSxZuv02gxcpPE5-yUA5je7RFl3fUUBJAylPWWPUeRBFSZ0CEDHECYLg7guinw0biILSrdL4TV3nUTzWllq3B5AbZlR8CgAUQGKfjVX-f9150s/s320/DSCN1920.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjypIrqs_96FSBAimUZlAuVKJK4agW3Yb0q_U6VG93ksBCkMalk0Gc069K_rCM9B9FpOa01ym7VlSTDxytBmQOKTcJQS-QevQ84bb8-vuWKwetcMcY6zn0VqY8-RzwMHAKod_91v4UwXfM/s1600/DSCN1921.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjypIrqs_96FSBAimUZlAuVKJK4agW3Yb0q_U6VG93ksBCkMalk0Gc069K_rCM9B9FpOa01ym7VlSTDxytBmQOKTcJQS-QevQ84bb8-vuWKwetcMcY6zn0VqY8-RzwMHAKod_91v4UwXfM/s320/DSCN1921.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> A rebarba é o tecido da fibra de vidro, lixei para dar acabamento no esmeril.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-Rn66Kc-3Kkhje_6gSi6Tab2GNOUAyZMfuB6Nalwh2choZbwbI46sXF1E96Y_MAWI9JGNqrdNFPzAwsIjSm6NF7yD-afnX8oElF6zV_rN6biWTc1_b75ttwUhpJQQa_zXIN3NlpXB1rQ/s1600/DSCN1927.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-Rn66Kc-3Kkhje_6gSi6Tab2GNOUAyZMfuB6Nalwh2choZbwbI46sXF1E96Y_MAWI9JGNqrdNFPzAwsIjSm6NF7yD-afnX8oElF6zV_rN6biWTc1_b75ttwUhpJQQa_zXIN3NlpXB1rQ/s320/DSCN1927.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">A peça ficou muito rígida, se funcionar creio que deixará o conjunto mais firme.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrqYiWM9vzCL8VTsidS1HMiMFfac-et3084d_dPhB-ySXK5phchSGCSPVQMykC7WeBSkTDYrsp1I3iGkfVrpUqgfHTU_pz4H3EkpmevKT1qcaQpPG9hW5hmSKHmn7_zdjJmxvb3Bn_deM/s1600/DSCN1934.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrqYiWM9vzCL8VTsidS1HMiMFfac-et3084d_dPhB-ySXK5phchSGCSPVQMykC7WeBSkTDYrsp1I3iGkfVrpUqgfHTU_pz4H3EkpmevKT1qcaQpPG9hW5hmSKHmn7_zdjJmxvb3Bn_deM/s320/DSCN1934.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> O Alain, do grupo de estudo RepRapBR, havia sugerido a colocação de um faca na traseira do bico que enterrasse no teflon para possivelmente conter o vazamento, achei uma boa idéia e resolvi implementar essa alteração no bico, utilizei um mini-torno de bancada, fiz a lâmina mais fina possível com altura de 0,7mm .</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhkxJ10Ql86GCdrCUqokLnC4Mlylev2qAKSoATVkNRYayoIPikUrjYgUn1TtNiW5B-P1q79rGsI5ReQa_LfUYeld-dqja6osUhPW0fEjSqWvSuqeylIXGMBNmozIr0XKLwv2PR2Cv9KGfs/s1600/DSCN1935.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhkxJ10Ql86GCdrCUqokLnC4Mlylev2qAKSoATVkNRYayoIPikUrjYgUn1TtNiW5B-P1q79rGsI5ReQa_LfUYeld-dqja6osUhPW0fEjSqWvSuqeylIXGMBNmozIr0XKLwv2PR2Cv9KGfs/s320/DSCN1935.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> A marca da lâmina na borracha indica que ela deve penetrar no teflon.</span><span style="background-color: white; font-family: Verdana, sans-serif;"> </span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1TszbUURAxHWxXX3TrQMxrWvQ4a8qCluLCw2dylVnNmvFm8uccjesBlEc4uGR-Vv1uzs8M1NIE_2Z-16ZNwb-1n4mMuiKnii92juq-ecnB5qPzJQeY-8iOXw_XimqH2Gb7DHkvbyoFAI/s1600/DSCN1930.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1TszbUURAxHWxXX3TrQMxrWvQ4a8qCluLCw2dylVnNmvFm8uccjesBlEc4uGR-Vv1uzs8M1NIE_2Z-16ZNwb-1n4mMuiKnii92juq-ecnB5qPzJQeY-8iOXw_XimqH2Gb7DHkvbyoFAI/s320/DSCN1930.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Preocupado com a resina, fiz uma arruela/bucha de teflon com parede de 2mm, em torno do bico para ficar entre ele e a placa de fibra de vidro.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdT4JgsWZ-j-l6OtpGzC9585fEMnQ3qCsFiQ2TEqcXLZAvK82LWrqDr433KdT09b4WbWSIm19upPpQb2cPULirnTrprdCBl7oFLh_N7zwE68C4dk_9-aDzi22yVz_OVFNYaKeK_oomGUU/s1600/DSCN1929.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhdT4JgsWZ-j-l6OtpGzC9585fEMnQ3qCsFiQ2TEqcXLZAvK82LWrqDr433KdT09b4WbWSIm19upPpQb2cPULirnTrprdCBl7oFLh_N7zwE68C4dk_9-aDzi22yVz_OVFNYaKeK_oomGUU/s320/DSCN1929.JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhC_xwQrqYGuMc88GlBtXfAmxq901ciuTZ22X_6SQbehoOiKsFKOeVlNt3_O4SfVuuqK7T0-J4rYLJ74sp59l2Z55qMOB0TbBxhDCYqgUssaCUO1HqMgPTkTIkAoj3wn8r3qRZGJejAlhI/s1600/DSCN1939.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhC_xwQrqYGuMc88GlBtXfAmxq901ciuTZ22X_6SQbehoOiKsFKOeVlNt3_O4SfVuuqK7T0-J4rYLJ74sp59l2Z55qMOB0TbBxhDCYqgUssaCUO1HqMgPTkTIkAoj3wn8r3qRZGJejAlhI/s320/DSCN1939.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Durante a montagem deu para sentir que a faca penetrou no teflon, o disco de fibra permitiu que o conjunto ficasse muito firme, se apertasse demais poderia trincar a placa de madeira, deixei 1,5mm de distância entre a superfície do bloco aquecedor e o disco de fibra, e não consegui colocar isolante térmico direito nesse local por causa da ponta dos parafusos. Bom, vamos aos testes...</span></div>
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<span style="font-family: Verdana, sans-serif;"> Isso tudo ocorreu no dia 20 de junho de 2012, hoje fez quase um mês. Nesse período, imprimi vários kits de Prusa Mendel para pessoas que também estão montando a sua RepRap, foram + ou - 5kg de ABS. </span></div>
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<span style="font-family: Verdana, sans-serif;"> Portanto, vocês não vão precisar esperar pelo resultado dos testes, neste final de semana precisei desmontar o bico para trocar o termistor que queimou, e aproveitei para avaliar o disco de resina e vazamentos.</span><br />
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<span style="font-family: Verdana, sans-serif;">Conclusão:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGFYtEDkRi-ta5yFcE3f1heIgiUeGJglFK3dYHR1YYrEiJyeTUeEupBcCCGHM_HQWnLPIm1s-52zIq927vTCIraGSBs91moMx61c1WpaDxu1WjT2LXFe8UGC_nJgPf_WuCpJm8cOdfI0E/s1600/DSCN2337.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="194" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGFYtEDkRi-ta5yFcE3f1heIgiUeGJglFK3dYHR1YYrEiJyeTUeEupBcCCGHM_HQWnLPIm1s-52zIq927vTCIraGSBs91moMx61c1WpaDxu1WjT2LXFe8UGC_nJgPf_WuCpJm8cOdfI0E/s320/DSCN2337.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> A boa noticia é que o vazamento acabou, a faca resolveu o problema, da para ver que ela se acomodou no teflon, não tem nenhum sinal de vazamento, não fiz nenhuma limpeza, a foto acima e após a abertura, porém quebrei o resto do filamento.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjLuA6Lqy6eSwpwdzRIphMgNJ7nEZQFjn8vDM_zEexa_T58uea72s6w0NDLd4GLqA9vbCUeUbBPcC_oaO9nfkIURNX3t1EYHG5Hx2FJeQNFHrMlWvey0j9yB9k70A7AUdpkEGyDXGWD0gk/s1600/DSCN2338.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjLuA6Lqy6eSwpwdzRIphMgNJ7nEZQFjn8vDM_zEexa_T58uea72s6w0NDLd4GLqA9vbCUeUbBPcC_oaO9nfkIURNX3t1EYHG5Hx2FJeQNFHrMlWvey0j9yB9k70A7AUdpkEGyDXGWD0gk/s320/DSCN2338.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> A má noticia é que a fibra de vidro com resina cedeu :( e já escureceu muito na parte que ficou mais perto do resistor, apesar de ter cedido, não houve vazamento porque havia feito um reaperto dos parafusos depois dos primeiros dias de uso.</span><br />
<span style="font-family: Verdana, sans-serif;"><br /></span><br />
<span style="font-family: Verdana, sans-serif;"> Alguns membros do grupo de estudo RepRapBR já tinham me alertado que a resina provavelmente não aguentaria o calor, mas não custa nada tentar, por hora eu montei novamente o conjunto e coloquei 2mm de teflon entre o bloco e o disco, apesar da deformação o disco continua funcional e acho que vai aguentar mais um tempo.</span><br />
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<span style="font-family: Verdana, sans-serif;"> Recentemente, tive contato com outros hotends open source e somando várias idéias diferentes, resolvi tentar desenvolver um novo hotend que elimina disco, pois os parafusos serão atarracados diretamente no bloco aquecedor, em breve vou desenvolver um protótipo e postar aqui.</span><br />
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<span style="font-family: Verdana, sans-serif;"> Até o próximo Post.</span><br />
<span style="font-family: Verdana, sans-serif;"> </span></div>
</div>Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com3tag:blogger.com,1999:blog-7318267703328809168.post-6119977103388034992012-07-13T22:19:00.000-07:002012-07-13T22:36:52.389-07:00Mesa aquecida melhorias<div class="separator" style="clear: both; text-align: left;">
<span style="font-family: Verdana, sans-serif;"> Ando meio sem tempo de publicar novos Posts, mas antes tarde do que nunca.</span></div>
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<span style="font-family: Verdana, sans-serif;"> Afim de evitar novas colisões com as cabeças dos parafusos allen da mesa de impressão, defini a área de impressão de forma que o bico não colidisse com as cabeças deles, porém esqueci do duto do Fan, ele bateu na cabeça do parafuso e arrebentou o suporte que eu tinha feito :(</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFh1JynwcIGpZ9Ze4VyhCuYViQ_mQFJpad-yDz77HJ791MFdimRkXdB-xxYNSaagxOd64yR9RhuDJ6wmPsGfSdXLm_4dRqWkPjmIaXKOFlWbNHIzz9ttxtYRG7WAkR00ZNfEUaSpI897U/s1600/DSCN1878(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFh1JynwcIGpZ9Ze4VyhCuYViQ_mQFJpad-yDz77HJ791MFdimRkXdB-xxYNSaagxOd64yR9RhuDJ6wmPsGfSdXLm_4dRqWkPjmIaXKOFlWbNHIzz9ttxtYRG7WAkR00ZNfEUaSpI897U/s320/DSCN1878(1).JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQARmFx6ZqP9TvYguLGrILRMOJ1C_3F3xz9jk85MxKW5lgm1jhRyEnmXxVkf4Ddx4g6QxcTeTOAhR7m2aUB_pgUy0Ip2TIGrFtTEBVZMoPzlgJ9at6fuAemiNcM83CAoxTom2fiE_hku8/s1600/DSCN1880(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQARmFx6ZqP9TvYguLGrILRMOJ1C_3F3xz9jk85MxKW5lgm1jhRyEnmXxVkf4Ddx4g6QxcTeTOAhR7m2aUB_pgUy0Ip2TIGrFtTEBVZMoPzlgJ9at6fuAemiNcM83CAoxTom2fiE_hku8/s320/DSCN1880(1).JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnjFhMguS3ajbqJehr4QRsn82iF0bUMQRoOHp1QQdCvPxsomCl6qAijbsSO2fsemfyZKRJC_0YjSCaoxCpopCGHrymb_ieWgzTb2CsuY7vuQWEKQcPJ1iB_jTNlkUB81ik8oEOdr-gaIM/s1600/DSCN1897(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnjFhMguS3ajbqJehr4QRsn82iF0bUMQRoOHp1QQdCvPxsomCl6qAijbsSO2fsemfyZKRJC_0YjSCaoxCpopCGHrymb_ieWgzTb2CsuY7vuQWEKQcPJ1iB_jTNlkUB81ik8oEOdr-gaIM/s320/DSCN1897(1).JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Desmontei a mesa toda.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6z41FdlUaF7p15AR80V0hET9g13AnZ76oB7x5m4r2fl3PmPu_bCL9qoa-N-NXhtG3dXpFTcAb9csP5tjmvdlm1is4eyvvhtRZbOAONrOdqW3VuZvqgYK19vV8_JxR0M8Zki3D7BfauJo/s1600/DSCN1898(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj6z41FdlUaF7p15AR80V0hET9g13AnZ76oB7x5m4r2fl3PmPu_bCL9qoa-N-NXhtG3dXpFTcAb9csP5tjmvdlm1is4eyvvhtRZbOAONrOdqW3VuZvqgYK19vV8_JxR0M8Zki3D7BfauJo/s320/DSCN1898(1).JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Usei um escariador nos buracos para acomodar os novos parafusos de elétrica com 4cm de forma que a cabeça dos mesmos ficasse embutida.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggR7b6wBGEjy-JlZIJQQM3z1fw2w15re55zROjXIgv2aKgy6xqTMrwtnhLP5hMIS6h2zDkBQ1J3vrJkmqGpUHANwTZDlv8RyKTQxqJoJns5eqRvu7RONmFwfm4YiyKOqjv0YLLv4NHjJ0/s1600/DSCN1899(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEggR7b6wBGEjy-JlZIJQQM3z1fw2w15re55zROjXIgv2aKgy6xqTMrwtnhLP5hMIS6h2zDkBQ1J3vrJkmqGpUHANwTZDlv8RyKTQxqJoJns5eqRvu7RONmFwfm4YiyKOqjv0YLLv4NHjJ0/s320/DSCN1899(1).JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Refiz também a caixa de isolamento térmico.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAXEjHSX0YhoxdjkNqbygNSHY2LK31aaXdBiVVxHwHKoXcfNSgwCSsUIi23VsRljK9A6RLVvOKgyYZCEbmmuGI3ZFLa1bASKQ2TLjTEg-dmAvvr6leQhlFLR4PTmblNHPb12eGOWjf_SE/s1600/DSCN1901(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAXEjHSX0YhoxdjkNqbygNSHY2LK31aaXdBiVVxHwHKoXcfNSgwCSsUIi23VsRljK9A6RLVvOKgyYZCEbmmuGI3ZFLa1bASKQ2TLjTEg-dmAvvr6leQhlFLR4PTmblNHPb12eGOWjf_SE/s320/DSCN1901(1).JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidFhSz8tu_dijqShGRf81LRRwLy7xyioUNLha5PCkgwqyXcd8Q28TI6zVdXOxz6rxMbk55D1pCknUQeVPez9uU3SitHVI2U3SyUPYDRFnynQwjuIKfyUAY5zvaAK0lVislJcQKv49b9ew/s1600/DSCN1904(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidFhSz8tu_dijqShGRf81LRRwLy7xyioUNLha5PCkgwqyXcd8Q28TI6zVdXOxz6rxMbk55D1pCknUQeVPez9uU3SitHVI2U3SyUPYDRFnynQwjuIKfyUAY5zvaAK0lVislJcQKv49b9ew/s320/DSCN1904(1).JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Esses cortes são para não encostar nos clipes que prendem a correia no carro Y e permitir que as molas trabalhem.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi0rRAcqIa7ofdnz36j-uZ_6rwYI-QQE1mJCuz5SqaCqLm0_zMRBWGyP6_9hyphenhyphenWr8hjjRD2KfWj705vWpZhguO1K7Ra4-WzEg9ISRE14PfmPtsXqBD23gwlhI_zrQKJbuRgdlPcUBl3SYik/s1600/DSCN1905(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi0rRAcqIa7ofdnz36j-uZ_6rwYI-QQE1mJCuz5SqaCqLm0_zMRBWGyP6_9hyphenhyphenWr8hjjRD2KfWj705vWpZhguO1K7Ra4-WzEg9ISRE14PfmPtsXqBD23gwlhI_zrQKJbuRgdlPcUBl3SYik/s320/DSCN1905(1).JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Forrei com um pouco e lã de vidro.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAenOoxHdXsV0lk14E-93qtENKmf8lDOdC2Mgbb7PlnaC3LoKyJ9Q__nilsYYlCV2aFr7WlVlrKbMYYcF3bPvD0XxOdFOMxekDxMLUW1vnMv_T4Gk3aOxZuNYJ8kFOwD2-mQGsQlavR_4/s1600/DSCN1906(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAenOoxHdXsV0lk14E-93qtENKmf8lDOdC2Mgbb7PlnaC3LoKyJ9Q__nilsYYlCV2aFr7WlVlrKbMYYcF3bPvD0XxOdFOMxekDxMLUW1vnMv_T4Gk3aOxZuNYJ8kFOwD2-mQGsQlavR_4/s320/DSCN1906(1).JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Desta vez fixei o papelão na parte de baixo da mesa de alumínio, usando a fita de Kapton.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieugMcV9GPZi1bpw7zaGXZGFsPmA75fPLATQxAi7v0qg-TpwsuNI6osphobYzTbcNRhm8je4c8PuFamWuUz0-RZCQSKfrG9DIsTugpYnszQ6I9RW0UZjyTrQZoKvdXf_ssAchE9HINPSQ/s1600/DSCN1907(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieugMcV9GPZi1bpw7zaGXZGFsPmA75fPLATQxAi7v0qg-TpwsuNI6osphobYzTbcNRhm8je4c8PuFamWuUz0-RZCQSKfrG9DIsTugpYnszQ6I9RW0UZjyTrQZoKvdXf_ssAchE9HINPSQ/s320/DSCN1907(1).JPG" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0COkaD-fTd7yEGQEccKiAc3U3HeTim0ehkC3xIdLBYqw5Xn-DiCoNwnF-ozm8UH6DoIMYFY9pFTnYPjMgxXjJl1JUm9JhgYW5eccFT2h31oR1_c8vohL4L58tRPwDZsFLLSkz3SOuA8c/s1600/DSCN1908(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0COkaD-fTd7yEGQEccKiAc3U3HeTim0ehkC3xIdLBYqw5Xn-DiCoNwnF-ozm8UH6DoIMYFY9pFTnYPjMgxXjJl1JUm9JhgYW5eccFT2h31oR1_c8vohL4L58tRPwDZsFLLSkz3SOuA8c/s320/DSCN1908(1).JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Aqui faço um pré-nivelamento da mesa, usando o paquímetro, uma vez que a mesa vai ficar apoiada nas 4 porcas.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKC_U-HDTBCVtX2s5HA48btmOA2c9q6FNf6oJC0hc65q9OwgI4BZwU6BiOtuY5jyTHEzIHDqTlerlTkpehhQ0PR7h2vGxui_-7ZnRlmtNw-62D-5P0h8rNLkXibVkH-ucCx5dlDyyc1-0/s1600/DSCN1909(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKC_U-HDTBCVtX2s5HA48btmOA2c9q6FNf6oJC0hc65q9OwgI4BZwU6BiOtuY5jyTHEzIHDqTlerlTkpehhQ0PR7h2vGxui_-7ZnRlmtNw-62D-5P0h8rNLkXibVkH-ucCx5dlDyyc1-0/s320/DSCN1909(1).JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Pronto agora a única cabeça acima da superfície da mesa é a cabeça de impressão (Bico).</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjn7xIoyzdckGCgYYlw_APN2ljOMeJ4xT-D7HatyH3Vked7rsZkwM7fXcZ9QPQEEHdEgfJsfjMPZ2xAzCDrz8y841Xi8FckIDwV-bMiMXUBU-vyBIaftNQf4dKwv9GbEcHI0gjAvGPylZo/s1600/DSCN1911(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjn7xIoyzdckGCgYYlw_APN2ljOMeJ4xT-D7HatyH3Vked7rsZkwM7fXcZ9QPQEEHdEgfJsfjMPZ2xAzCDrz8y841Xi8FckIDwV-bMiMXUBU-vyBIaftNQf4dKwv9GbEcHI0gjAvGPylZo/s320/DSCN1911(1).JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Ficou um vão de ~ 7mm entre o carro Y e parte de baixo do papelão, as molas trabalham livremente.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimtHA01DBwJOEW0kQwCcLOMCs1uW5b4TsZY8oNS50X4Qd19310L6NxfQUj7rjvGsHzBoBC9QlhTXAFbQ2Y3hLjNVUTuugl8tXc8HKxaifyGYIrtIWrSrHYS6CsKRgAWs-dAOdRoTchx9k/s1600/DSCN1914(1).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimtHA01DBwJOEW0kQwCcLOMCs1uW5b4TsZY8oNS50X4Qd19310L6NxfQUj7rjvGsHzBoBC9QlhTXAFbQ2Y3hLjNVUTuugl8tXc8HKxaifyGYIrtIWrSrHYS6CsKRgAWs-dAOdRoTchx9k/s320/DSCN1914(1).JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Até o próximo Post.</span></div>
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<br /></div>Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com0tag:blogger.com,1999:blog-7318267703328809168.post-68768353865765751122012-06-25T09:30:00.001-07:002012-08-11T13:13:26.877-07:00Arraial RepRapBR<div style="text-align: justify;">
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<span style="font-family: Verdana, sans-serif;">Este final de semana convidei o pessoal do grupo de estudo <span style="color: cyan;"><a href="https://groups.google.com/forum/?fromgroups#!forum/reprapbr" target="_blank"><span style="color: cyan;">RepRapBR</span></a> </span>para um encontro em minha casa, aproveitando o clima de festa junina, "queimamos" muito plástico.</span></div>
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<a href="http://2.bp.blogspot.com/-X1MkitRXBc0/T-fEf5YZGxI/AAAAAAAAA94/ck2uctgx5TA/s1600/DSCN1940.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="157" src="http://2.bp.blogspot.com/-X1MkitRXBc0/T-fEf5YZGxI/AAAAAAAAA94/ck2uctgx5TA/s320/DSCN1940.JPG" width="320" /></a></div>
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<a href="http://4.bp.blogspot.com/-puCaxTJblZQ/T-fEiLO0j6I/AAAAAAAAA-A/ykhTTA5nKMg/s1600/DSCN1941.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://4.bp.blogspot.com/-puCaxTJblZQ/T-fEiLO0j6I/AAAAAAAAA-A/ykhTTA5nKMg/s320/DSCN1941.JPG" width="320" /></a></div>
<span style="font-family: Verdana, sans-serif;"> Contando com 2 impressoras que não estavam operacionais ainda, haviam 8 impressoras 3D no encontro.</span><br />
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<a href="http://1.bp.blogspot.com/-bhB7AQNrt0U/T-fEiaV8INI/AAAAAAAAA-I/5AK8ez-XCPY/s1600/DSCN1941a.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://1.bp.blogspot.com/-bhB7AQNrt0U/T-fEiaV8INI/AAAAAAAAA-I/5AK8ez-XCPY/s320/DSCN1941a.JPG" width="320" /></a></div>
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<a href="http://1.bp.blogspot.com/-F1siAPHrqoE/T-fEraVLxHI/AAAAAAAAA-0/D8Vt3mMTjlA/s1600/DSCN1943a.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="297" src="http://1.bp.blogspot.com/-F1siAPHrqoE/T-fEraVLxHI/AAAAAAAAA-0/D8Vt3mMTjlA/s320/DSCN1943a.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Impressora 3D do Luciano Gutscho</span></div>
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<a href="http://1.bp.blogspot.com/-ytLCpJSkNP8/T-fEmFfvkQI/AAAAAAAAA-Q/0vEbXeg-RT8/s1600/DSCN1945.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://1.bp.blogspot.com/-ytLCpJSkNP8/T-fEmFfvkQI/AAAAAAAAA-Q/0vEbXeg-RT8/s320/DSCN1945.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Prusa da <a href="http://www.movtech.com.br/" target="_blank"><span style="color: cyan;">MovTech</span></a> - Eduardo</span></div>
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<a href="http://3.bp.blogspot.com/-w7TZxWADcB4/T-fEmVvu-hI/AAAAAAAAA-Y/tBOMQ_27Ueo/s1600/DSCN1946.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://3.bp.blogspot.com/-w7TZxWADcB4/T-fEmVvu-hI/AAAAAAAAA-Y/tBOMQ_27Ueo/s320/DSCN1946.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Prusa da </span><a href="http://www.movtech.com.br/" style="font-family: Verdana, sans-serif;" target="_blank"><span style="color: cyan;">MovTech</span></a><span style="font-family: Verdana, sans-serif;"> - Igor</span></div>
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<a href="http://2.bp.blogspot.com/-AbY2AnnXHDE/T-fEp8qgvlI/AAAAAAAAA-g/NbnSoceviy4/s1600/DSCN1947.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://2.bp.blogspot.com/-AbY2AnnXHDE/T-fEp8qgvlI/AAAAAAAAA-g/NbnSoceviy4/s320/DSCN1947.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Prusa do Daniel</span></div>
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<a href="http://2.bp.blogspot.com/-M-01Sm_KutY/T-fEqYBnt-I/AAAAAAAAA-k/RwjUL6hmOYc/s1600/DSCN1948.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://2.bp.blogspot.com/-M-01Sm_KutY/T-fEqYBnt-I/AAAAAAAAA-k/RwjUL6hmOYc/s320/DSCN1948.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Prusa do</span> <a href="http://www.imprimindo3d.com.br/" style="color: cyan; font-family: Verdana, sans-serif;" target="_blank">JP</a></div>
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<a href="http://1.bp.blogspot.com/-0UGYFgFEG1Y/T-fEsFf-TMI/AAAAAAAAA-8/osbrQfiNNoM/s1600/DSCN1948a.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://1.bp.blogspot.com/-0UGYFgFEG1Y/T-fEsFf-TMI/AAAAAAAAA-8/osbrQfiNNoM/s320/DSCN1948a.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Mesa <a href="http://www.blogger.com/goog_2135590406"><span style="color: cyan;">XYZ do Alain</span></a></span><a href="http://mesa-reprap.blogspot.com.br/" target="_blank"><span style="color: cyan;"> </span></a></div>
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<a href="http://4.bp.blogspot.com/-PaGsg-4NC64/T-fEtsdZESI/AAAAAAAAA_E/kce8LfJot8c/s1600/DSCN1948c.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://4.bp.blogspot.com/-PaGsg-4NC64/T-fEtsdZESI/AAAAAAAAA_E/kce8LfJot8c/s320/DSCN1948c.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> A minha Prusa Mendel</span></div>
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<a href="http://1.bp.blogspot.com/-NCXvdJYtCOY/T-fEvRWt-ZI/AAAAAAAAA_M/-p-_btqkqOA/s1600/DSCN1948d.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://1.bp.blogspot.com/-NCXvdJYtCOY/T-fEvRWt-ZI/AAAAAAAAA_M/-p-_btqkqOA/s320/DSCN1948d.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Variante da Mendel original by <a href="https://plus.google.com/photos/116934030643907705494/albums/5661218978661179761?banner=pwa" target="_blank"><span style="color: cyan;">Anderson cunha</span></a></span></div>
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<a href="http://3.bp.blogspot.com/-Xie2ixWKp6M/T-fFazVfWcI/AAAAAAAABBs/GBL0XIMinjU/s1600/DSCN1959.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://3.bp.blogspot.com/-Xie2ixWKp6M/T-fFazVfWcI/AAAAAAAABBs/GBL0XIMinjU/s320/DSCN1959.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">O porta jóias impresso pelo JP com excelente qualidade virou copinho de cachaça, e não vazou uma gota.</span> </div>
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<a href="http://2.bp.blogspot.com/-NN0soa0Dizs/T-fE3nqQQaI/AAAAAAAABAM/9nMtjq8fyWA/s1600/DSCN1970.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://2.bp.blogspot.com/-NN0soa0Dizs/T-fE3nqQQaI/AAAAAAAABAM/9nMtjq8fyWA/s320/DSCN1970.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Mais copinhos de cachaça, produzido na máquina do Alain</span></div>
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<a href="http://4.bp.blogspot.com/-j07d4Bla_b4/T-fE5TtBYfI/AAAAAAAABAc/5Y6vu1BkbgA/s1600/DSCN1989.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://4.bp.blogspot.com/-j07d4Bla_b4/T-fE5TtBYfI/AAAAAAAABAc/5Y6vu1BkbgA/s320/DSCN1989.JPG" width="320" /></a></div>
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<a href="http://2.bp.blogspot.com/-mTpOQJaoTWY/T-fE64vnYfI/AAAAAAAABAo/50OJgZ8UwpE/s1600/DSCN1990.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://2.bp.blogspot.com/-mTpOQJaoTWY/T-fE64vnYfI/AAAAAAAABAo/50OJgZ8UwpE/s320/DSCN1990.JPG" width="320" /></a></div>
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<a href="http://3.bp.blogspot.com/-d98qxapDmcE/T-fExq30J1I/AAAAAAAAA_c/MFSFma6x8KU/s1600/DSCN1951.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://3.bp.blogspot.com/-d98qxapDmcE/T-fExq30J1I/AAAAAAAAA_c/MFSFma6x8KU/s320/DSCN1951.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Este foi o único momento em que as máquinas foram abandonadas, quando as pizzas chegaram!</span></div>
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<a href="http://2.bp.blogspot.com/-QRReLTuVjNo/T-fE6ieFaBI/AAAAAAAABAk/xT0rPcm7NOg/s1600/DSCN1990a.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="http://2.bp.blogspot.com/-QRReLTuVjNo/T-fE6ieFaBI/AAAAAAAABAk/xT0rPcm7NOg/s320/DSCN1990a.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Aproveitamos para comemorar os dois anos de existência do Grupo RepRapBR com a foto dos fundadores, da esquerda para direita:<span style="background-color: black;"><span style="color: white;"> </span></span></span><span style="background-color: black;"><span style="color: white;"><span style="font-family: Verdana, sans-serif;">Fábio Gilii, </span><span style="font-family: Verdana, sans-serif;">Jorge Lourenço Jr., </span><span style="font-family: Verdana, sans-serif;">Luis Viola, </span><span style="font-family: Verdana, sans-serif;">André Oliveira, </span><span style="font-family: Verdana, sans-serif;">Pedro Cardozo de Mello, </span><span style="font-family: Verdana, sans-serif;">Alain Mouette, </span><span style="font-family: Verdana, sans-serif;">Josenivaldo Benito Jr.</span></span></span></div>
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<span style="background-color: black; font-family: Verdana, sans-serif;"><span style="color: white;"> Para quem quiser ver o álbum completo, as fotos estão disponíveis </span><span style="color: cyan;"><a href="https://picasaweb.google.com/105512289629027805445/ArraialRepRapBR23062012?authkey=Gv1sRgCKrYvZS6jK6nYw" target="_blank"><span style="color: cyan;">aqui</span></a>.</span></span></div>
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<span style="color: #222222; font-family: Verdana, sans-serif;"><br /></span></div>Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com0tag:blogger.com,1999:blog-7318267703328809168.post-61682412609070537522012-06-12T08:34:00.002-07:002012-06-12T15:59:56.801-07:00Impressão com PLA vermelho<div>
<span style="font-family: Verdana, sans-serif;"> Minha esposa gostou do tom do vermelho PLA e havia pedido para eu testar, eu não tinha impresso ainda com PLA, somente ABS e me falaram que com PLA é mais fácil, vamos ver...</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4gW6uIpPrERXOeDM7Iugd-1HtieE-stS2_72xNdlMNgSGXHWUosd1c_5WIECqGE6AfD5Jw0XMwe20cI80kC18uGGriTlwz3eC-rpDcbooURO9Ugyag_XZHt8ajX6pwN5_e5Xh649B5jE/s1600/IMG_0001.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4gW6uIpPrERXOeDM7Iugd-1HtieE-stS2_72xNdlMNgSGXHWUosd1c_5WIECqGE6AfD5Jw0XMwe20cI80kC18uGGriTlwz3eC-rpDcbooURO9Ugyag_XZHt8ajX6pwN5_e5Xh649B5jE/s320/IMG_0001.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Impressora abastecida.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYdCV69fngpGT262Hn5S_ben3dfsVpO3ZxpVDLXAvho2UbHQ0dCpFBhLbe3VHg1-588pFYS3dmQdhIHISNN2jrey6KtD6dIV43ud-orsk7nY1LKhBwoNS7-j1wLJqiYb1hRbI6h52rP44/s1600/IMG_0005.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYdCV69fngpGT262Hn5S_ben3dfsVpO3ZxpVDLXAvho2UbHQ0dCpFBhLbe3VHg1-588pFYS3dmQdhIHISNN2jrey6KtD6dIV43ud-orsk7nY1LKhBwoNS7-j1wLJqiYb1hRbI6h52rP44/s320/IMG_0005.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Extrusão do ABS preto até começar a sair o PLA vermelho.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLN2qVHzSvcwNP9q5FhksYfRjVQsVGAPW2eUC_siNFgu7a9Jmrf-ogtzcIix-LbzlopHWRD8sSMynKZ1owUrTuuhbv3s_aUQPxERL1o02HJ4lkOzztLd0JynVse-xpCA5ogsRpQ6CrQ_k/s1600/IMG_0002.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="183" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLN2qVHzSvcwNP9q5FhksYfRjVQsVGAPW2eUC_siNFgu7a9Jmrf-ogtzcIix-LbzlopHWRD8sSMynKZ1owUrTuuhbv3s_aUQPxERL1o02HJ4lkOzztLd0JynVse-xpCA5ogsRpQ6CrQ_k/s320/IMG_0002.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Primeira tentativa, vejam que ainda tinha muito ABS preto dentro do bico, quando realmente chegou no vermelho, a impressora parou de empurrar o filamento, na segunda tentativa aconteceu a mesma coisa, resolvi desmontar o trator. </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjA4kLpXd6dsKfR1akG-t7tc1KldsajZ5m5A64l4aMRp7097IcJGh3I7LIdrfk4qJ_IxBF3HxcaKLVxoFK37g1XWi1KAAeMmS-UwHaLHWEkP9T53hLmvdKOsfIVapT-OlQYYrleP0B6ypU/s1600/IMG_0009.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjA4kLpXd6dsKfR1akG-t7tc1KldsajZ5m5A64l4aMRp7097IcJGh3I7LIdrfk4qJ_IxBF3HxcaKLVxoFK37g1XWi1KAAeMmS-UwHaLHWEkP9T53hLmvdKOsfIVapT-OlQYYrleP0B6ypU/s320/IMG_0009.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Como eu temia, o trator havia desgastado muito os dentes, "água mole em pedra dura tanto bate até que fura" O mesmo vale para ABS/PLA e AÇO.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2YXzsXhP0Lne41QLnd286tmYiQPfJxKrLUlNrUj0zDQuFu8ZlJ1OtCdhKp80YZlfIFFsLFsgOxZ1eTl1orVIpPem7nwstXYY1FCM13OoqH8gt9ooeLGnrtRHC-c6AzkTu6B8FQ9IOmu4/s1600/IMG_0014.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2YXzsXhP0Lne41QLnd286tmYiQPfJxKrLUlNrUj0zDQuFu8ZlJ1OtCdhKp80YZlfIFFsLFsgOxZ1eTl1orVIpPem7nwstXYY1FCM13OoqH8gt9ooeLGnrtRHC-c6AzkTu6B8FQ9IOmu4/s320/IMG_0014.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Eu tinha em casa um parafuso de 8x70mm, o original era de 8x60mm, medi e vi que serviria se colocado invertido.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgubSUD7YxGVP4bzrPAJUreSuIwL5LYLbaMG8w3jcnbcwupJvQj4zw__JsZKmzye1pNqk5EaHG8f7FtEQLMDXih5eEV9c4YMzpDBPp3j1TX_M1rcwvl1l0ao-O1biiqyu5pYv5eWUDdIpU/s1600/IMG_0016.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgubSUD7YxGVP4bzrPAJUreSuIwL5LYLbaMG8w3jcnbcwupJvQj4zw__JsZKmzye1pNqk5EaHG8f7FtEQLMDXih5eEV9c4YMzpDBPp3j1TX_M1rcwvl1l0ao-O1biiqyu5pYv5eWUDdIpU/s320/IMG_0016.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> O Anderson Cunha, do grupo de estudo RepRapBR, tinha dado a dica de uma ferramenta no site Thingiverse para fazer o parafuso trator: </span><a href="http://www.thingiverse.com/thing:21782" style="font-family: Verdana, sans-serif;">http://www.thingiverse.com/thing:21782</a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3lCY0wof73YOntYW4zJHPpfioDI8pXj_EIx_F-F0E_7BWAJo1O2Tw2DSSsJ-thcJdu27HnsnnVP1ohrV2_haIrJsu8kk3Q8KEUC3n-Tzbtgtl0tRphxnm74fA3YR4mkostQylBpWP_gM/s1600/IMG_0020.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj3lCY0wof73YOntYW4zJHPpfioDI8pXj_EIx_F-F0E_7BWAJo1O2Tw2DSSsJ-thcJdu27HnsnnVP1ohrV2_haIrJsu8kk3Q8KEUC3n-Tzbtgtl0tRphxnm74fA3YR4mkostQylBpWP_gM/s320/IMG_0020.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Porém a minha microretifica não encaixaria no suporte, então achei esse outro, muito parecido que encaixava perfeitamente, e dessa forma consegui fazer um novo parafuso trator muito melhor do que o primeiro e com os dentes muito mais afiados e simétricos:</span><br />
<a href="http://www.thingiverse.com/thing:23717"><span style="font-family: Verdana, sans-serif;">http://www.thingiverse.com/thing:23717</span></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZgZfGe77ZYokgonpw6hGLtQhNUKu3jcRSFCNq4pmEBmynXa_i8rsqOqJx9xAUHpLtHHiZfNCOAH3eon_BZ5qMrfLYuB7712N2amHwjCcOzPiFt7kStJyVPtKHiZwy45yk4VIvtcOCVqs/s1600/IMG_0020a.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZgZfGe77ZYokgonpw6hGLtQhNUKu3jcRSFCNq4pmEBmynXa_i8rsqOqJx9xAUHpLtHHiZfNCOAH3eon_BZ5qMrfLYuB7712N2amHwjCcOzPiFt7kStJyVPtKHiZwy45yk4VIvtcOCVqs/s320/IMG_0020a.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif; text-align: -webkit-auto;">Montei o parafuso ao contrário usando arruela como espaçadores, coloquei os dentes perfeitamente alinhados com o filamento</span><span style="font-family: Verdana, sans-serif;">, agora quero ver parar de empurrar o Filamento!!</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiL1POi1HZPb4N26BpWvYRvDjaXk961fjS9UTjJoMN8Hpwmpkw9sge-kY1wXKm9nM_bRlxvOUQbqPI3BJU8IqjXp3V_E5rx5SHvWP1c_gGu73cRfXbRF4ljM49jQTvUvR3VYphT_E2rsSE/s1600/IMG_0020ab.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiL1POi1HZPb4N26BpWvYRvDjaXk961fjS9UTjJoMN8Hpwmpkw9sge-kY1wXKm9nM_bRlxvOUQbqPI3BJU8IqjXp3V_E5rx5SHvWP1c_gGu73cRfXbRF4ljM49jQTvUvR3VYphT_E2rsSE/s320/IMG_0020ab.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Ops!! Falei cedo demais, parou novamente, o PLA é mais duro que o ABS, e nestes dias frio, fica mais duro ainda, porem não deveria parar com o novo trator. Quando fui olhar de perto, descobri mais um problema.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-eSiJ3aubd_6OPtSYcXhTZwM-mohAWJyqi7i7PKR7tHHcsl8Dcz8j9_LzVodp6_t1tY51HAPzO8uOo8udeQZVyt6s3vAlW7w99Dot2siSYx01KaHjpzz3Vz5MbczLFBio28M8nryG4z4/s1600/IMG_0020abc.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-eSiJ3aubd_6OPtSYcXhTZwM-mohAWJyqi7i7PKR7tHHcsl8Dcz8j9_LzVodp6_t1tY51HAPzO8uOo8udeQZVyt6s3vAlW7w99Dot2siSYx01KaHjpzz3Vz5MbczLFBio28M8nryG4z4/s320/IMG_0020abc.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Na foto acima dá para ver o problema, o filamento as vezes sai do centro dos "dentes" do trator, corre para as beirada e lá o parafuso é liso, por isso continua patinando, vou fazer uma guia para o filamento se manter no centro dos dentes.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0L8FyuLmYpROYXd1o05GAv1TS0xztlJsM06rzuYwKK9_cbnb2L26C40J_cnKJXqwjT94bSEJ2mSob0MH-b0ywvlyIpM0tPkSgU6tyIXc_Q-I3G_dAzmRyBntXbqlTDOpVHKbeXS8Ljq8/s1600/IMG_0021.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0L8FyuLmYpROYXd1o05GAv1TS0xztlJsM06rzuYwKK9_cbnb2L26C40J_cnKJXqwjT94bSEJ2mSob0MH-b0ywvlyIpM0tPkSgU6tyIXc_Q-I3G_dAzmRyBntXbqlTDOpVHKbeXS8Ljq8/s320/IMG_0021.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Peguei uma peça que havia quebrado do meu Extruder para fazer a guia do filamento.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiV2jOgj9z2cdLIrGuicE9bkk_5q5_YB4KJpZyyAzhqz-D46IVtMIvWOdTPypwXoyp3zROQCKlfXV-RyU4aaJBF1Q5shfQJIjNS6zPiNrxIYYmXKgaaIsChYK8vQ1RM6dyoszvK9Isq31A/s1600/IMG_0023.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiV2jOgj9z2cdLIrGuicE9bkk_5q5_YB4KJpZyyAzhqz-D46IVtMIvWOdTPypwXoyp3zROQCKlfXV-RyU4aaJBF1Q5shfQJIjNS6zPiNrxIYYmXKgaaIsChYK8vQ1RM6dyoszvK9Isq31A/s320/IMG_0023.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Fiz duas, mas só vou usar uma.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiXmfTYIVZZcwZzjOVUt-Ew2eNWSc8TC7Cp3hgTAdzHwCTjtu2EBCNIFgL8BsGRtu31U8DREbWfrElfvpkePt6NPlo7gF79H5F2fyLMem-dFWI3JtgWYQulZtRme_D9-8yxLZKSPnNYUcI/s1600/IMG_0025.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiXmfTYIVZZcwZzjOVUt-Ew2eNWSc8TC7Cp3hgTAdzHwCTjtu2EBCNIFgL8BsGRtu31U8DREbWfrElfvpkePt6NPlo7gF79H5F2fyLMem-dFWI3JtgWYQulZtRme_D9-8yxLZKSPnNYUcI/s320/IMG_0025.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Colei a guia com cola de PVC, ela funde o ABS e fica super firme, precisei colocar uma pequena tira de ABS também, como calço, pois cortei demais.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGh5nogwS8c3jq0ZHGKXZpbjGlea3Ofmt0b88O-exewhvMjM-UM9VkF4YiNRV75dP8Exp8PirqJeGiY55n3iODXcXxDjc09Qq4A8Ax7YXTnzeqrDdCXjrLiRxfkGRiVzk2V5DwqeckuhU/s1600/IMG_0031.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGh5nogwS8c3jq0ZHGKXZpbjGlea3Ofmt0b88O-exewhvMjM-UM9VkF4YiNRV75dP8Exp8PirqJeGiY55n3iODXcXxDjc09Qq4A8Ax7YXTnzeqrDdCXjrLiRxfkGRiVzk2V5DwqeckuhU/s320/IMG_0031.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Agora vai!</span></div>
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<span style="font-family: Verdana, sans-serif;"> Agora sim, esta tracionando que é uma beleza, essa peça que coloquei para alinhar o filamento com os dentes poderia ser incorporada a peças do Extruder, vou tentar fazer isso e imprimir um novo Extruder futuramente.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidfJ9WxeIa0RpK9iSZKzgCHn-PmJ9YQeASUt8QRG-hR3OANNmeI684rBGu6nJmsHxtKc3VkQkN66K6jr72ET6Prrt9afTKntiPrxSJaOm-jKRbfJf_Ou3jDqf90PtQ6TXBV5La_oLbHBo/s1600/IMG_0035.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="206" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEidfJ9WxeIa0RpK9iSZKzgCHn-PmJ9YQeASUt8QRG-hR3OANNmeI684rBGu6nJmsHxtKc3VkQkN66K6jr72ET6Prrt9afTKntiPrxSJaOm-jKRbfJf_Ou3jDqf90PtQ6TXBV5La_oLbHBo/s320/IMG_0035.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Finalmente consegui imprimir com o PLA chinês, e gostei do resultado.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQk6ir5ZNHVAWziQIkBCYrhYIVF66iUprR_cfKaHzJLO_sYRb417ZYOdsvDtVE1eBvu6DkntJV7pMs5V7OqGhd0jkienP1_EALr4V5XqZjPcDPDpkpm0KSj2fCNmJ54gFB8E_z3YmcthY/s1600/IMG_0039.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="255" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQk6ir5ZNHVAWziQIkBCYrhYIVF66iUprR_cfKaHzJLO_sYRb417ZYOdsvDtVE1eBvu6DkntJV7pMs5V7OqGhd0jkienP1_EALr4V5XqZjPcDPDpkpm0KSj2fCNmJ54gFB8E_z3YmcthY/s320/IMG_0039.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Ainda tem muitas outras cores para testar, aos poucos vou testar todas.</span>Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com1tag:blogger.com,1999:blog-7318267703328809168.post-84418341088816052662012-06-12T07:22:00.001-07:002012-06-12T07:22:29.115-07:00Tudo Azul.<span style="font-family: Verdana, sans-serif;"> Com os problemas do bico resolvidos, vamos continuar os testes. </span><br />
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<span style="font-family: Verdana, sans-serif;"> Usando ABS Azul, tentei imprimir algo que eu já conheço, a coruja foi a peça escolhida, assim fica mais fácil de comparar os resultados. </span><br />
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<span style="font-family: Verdana, sans-serif;">Usando um pequeno tripé, filmei e acelerei o vídeo de 26 minutos para 1,5 minutos para o post.</span></div>
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<span style="font-family: Verdana, sans-serif;"> Não ficou ruim, preciso acertar melhor a temperatura e uso do Fan, entre o inicio do pescoço e o bico da coruja, esqueci de ligar o Fan :( mas até que gostei do resultado.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhy1a4W_TzfiBxTYVi0Tn5vv7XiQlqMiBBMpMbMm1thkQliZ-L-8pIf6zC4FMHAsOw4QrvH9YDVoWtJlMXsko7OrNYORfwBzyhIoyoazOF31PG6mNSqP9Vkjk7Df8Km3uvTTtBOQUwdxk/s1600/IMG_0029.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="237" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhy1a4W_TzfiBxTYVi0Tn5vv7XiQlqMiBBMpMbMm1thkQliZ-L-8pIf6zC4FMHAsOw4QrvH9YDVoWtJlMXsko7OrNYORfwBzyhIoyoazOF31PG6mNSqP9Vkjk7Df8Km3uvTTtBOQUwdxk/s320/IMG_0029.JPG" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Imprimi algo novo, na verdade um polvo, muito simpático, completei com acessórios em preto para dar um certo charme.</span><br />
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<span style="font-family: Verdana, sans-serif;"> No próximo Post, vou tentar imprimir com o PLA vermelho.</span></div>Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com1tag:blogger.com,1999:blog-7318267703328809168.post-11406890806922447122012-06-10T12:08:00.001-07:002012-06-12T08:46:13.910-07:00Hora de abrir o bico.<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;"> O Hotend está vazando um pouco na junção do bico com o teflon, a cola Araudite que usei nesse local não aguentou o calor e o vazamento começou, porém isso não impede que eu comece a testar as outras cores de plásticos vindos da china.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjyKvltWXeu85mWQboj5kedw_bNsfn7mzJgr1kZHeSkxRxjoNuIbZwswYgEuiJyDv4aUL-lVSDOPtzpyK6HT1d7tJIem0coJLkXdcCqJNGKlJCq_wfMo2ntv3UHgh0hFuiPWKBzlaENZJQ/s1600/DSCN1647.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjyKvltWXeu85mWQboj5kedw_bNsfn7mzJgr1kZHeSkxRxjoNuIbZwswYgEuiJyDv4aUL-lVSDOPtzpyK6HT1d7tJIem0coJLkXdcCqJNGKlJCq_wfMo2ntv3UHgh0hFuiPWKBzlaENZJQ/s320/DSCN1647.jpg" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgb-I7V7zCqEDsi95SD3dIBNAmar9wP4-8gn3Qrde4CVGqx4eET5JrZyUob-aggsvLuMrlfhKO0TSSI3rktoFsJIoP5KfkzxJA9npn0rgXdDnWDMVveDh6cGAqwfDl8wXNqKdsnNDFbrw0/s1600/DSCN1651.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgb-I7V7zCqEDsi95SD3dIBNAmar9wP4-8gn3Qrde4CVGqx4eET5JrZyUob-aggsvLuMrlfhKO0TSSI3rktoFsJIoP5KfkzxJA9npn0rgXdDnWDMVveDh6cGAqwfDl8wXNqKdsnNDFbrw0/s320/DSCN1651.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Liguei a impressora e coloquei a mesa e a cabeça de impressão para aquecer, mas o sensor de temperatura da cabeça não estava tendo leitura da mesma.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZYB10nWGdAv9NfVZd8o7FYanhCP0AqtRTvuNNBSDajItRxVGKCgnpd6lqaFl6MYmScIcd4m4vjtKWssNXyFU1StBb7aA9NUO33sZBGRk_zSnVtEeO5To57JVfJ91OBiCVGS3ytxPSQfI/s1600/DSCN1645.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZYB10nWGdAv9NfVZd8o7FYanhCP0AqtRTvuNNBSDajItRxVGKCgnpd6lqaFl6MYmScIcd4m4vjtKWssNXyFU1StBb7aA9NUO33sZBGRk_zSnVtEeO5To57JVfJ91OBiCVGS3ytxPSQfI/s320/DSCN1645.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Poderia ser mau contato, medi com o multímetro o conector onde está ligado esse termistor, e ele estava em curto, por sorte tenho outro termistor para substituir.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgihpctttnp9Nws_79ZcJ7A9hsc9zTZ_cibgJSxauOZKaqtAZkUOybPfkfzNHtCRHH_5R9L-0hFhxDATfWoMJ28MeWrgly1rYZpv4EbYW_mDxRcR8tQuUnFD2o87s6RkwwZRK3zcmalbc8/s1600/DSCN1676a.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="190" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgihpctttnp9Nws_79ZcJ7A9hsc9zTZ_cibgJSxauOZKaqtAZkUOybPfkfzNHtCRHH_5R9L-0hFhxDATfWoMJ28MeWrgly1rYZpv4EbYW_mDxRcR8tQuUnFD2o87s6RkwwZRK3zcmalbc8/s320/DSCN1676a.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Desta vez não tem jeito, será necessário desmontar o conjunto do Hotend para trocar o termistor, nesse caso vou aproveitar para limpar o vazamento e ver se consigo contê-lo.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhMh03UcXNAMbakREkTnDbwcsLAHyM6BokgVKPaXe5oDrHrcky8pYYhzwyB7Xjd2jyOKCIiHaoqnix8qf2FiqBHrYkjgrm5dfnABIfaEs23otz_kueZ1_25uSrI3j0lQSHgRHwBkubZ08/s1600/DSCN1653.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhhMh03UcXNAMbakREkTnDbwcsLAHyM6BokgVKPaXe5oDrHrcky8pYYhzwyB7Xjd2jyOKCIiHaoqnix8qf2FiqBHrYkjgrm5dfnABIfaEs23otz_kueZ1_25uSrI3j0lQSHgRHwBkubZ08/s320/DSCN1653.jpg" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEijNw4x28hM81Afz4tcSK6IpQ69ap_st7TTxnE2O8hMel0Zhm1k62n3xNRK_QlQhNmBeidJ8TpvDz23Wt3TfkNzy_klv2vtNcMPaAursfJ27MiEARnJkEM6Cqw7MB9KcNFHWPct2D8WABs/s1600/DSCN1654.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEijNw4x28hM81Afz4tcSK6IpQ69ap_st7TTxnE2O8hMel0Zhm1k62n3xNRK_QlQhNmBeidJ8TpvDz23Wt3TfkNzy_klv2vtNcMPaAursfJ27MiEARnJkEM6Cqw7MB9KcNFHWPct2D8WABs/s320/DSCN1654.jpg" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqLzfKgrNvFn-HUXxBtdbeX1ib799G-vqa11wrlCTCgojMZcmaRwqKGxwGBTrSPDJPRTulRd3N8yzeWukm2U7UBQSnX1lrKy96r3mF5VPcNS_KZZphkJpwvnyIFDah_D1Dy1QsPeNhc_0/s1600/DSCN1655.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqLzfKgrNvFn-HUXxBtdbeX1ib799G-vqa11wrlCTCgojMZcmaRwqKGxwGBTrSPDJPRTulRd3N8yzeWukm2U7UBQSnX1lrKy96r3mF5VPcNS_KZZphkJpwvnyIFDah_D1Dy1QsPeNhc_0/s320/DSCN1655.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> O bico está bem preto, mas é apenas sujeira.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZ7vtR-6O96n-t75fTwfiefuWS0sGIOn2PBNOeSoReU7MdczveEn8Fwf7gGcTIVMEq8DoCTpaaaNXCaYfkzRUSUjQiGP5FQxTXXNLRA9tCfEeepAnhMUB9hNOGddhlumO_0HzEHH0EOQw/s1600/DSCN1658.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZ7vtR-6O96n-t75fTwfiefuWS0sGIOn2PBNOeSoReU7MdczveEn8Fwf7gGcTIVMEq8DoCTpaaaNXCaYfkzRUSUjQiGP5FQxTXXNLRA9tCfEeepAnhMUB9hNOGddhlumO_0HzEHH0EOQw/s320/DSCN1658.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Um dos fios do termistor foi envolvido pelo PLA, mas não acredito que isso tenha causado o problema no termistor, mesmo porque o fio não esta rompido.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh3-T4FrzybajWTqyuQagrycwCp_kasld-lObFRRK0dBao2nSmNosY5xu7O_6WlI-BpxRnTV4COwsy3_VpemVsPDKd5c1Cfa_3FlG67aYP5XNSRa_oRuHRswJf5s26aXNifrVt43UAU0dw/s1600/DSCN1660.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh3-T4FrzybajWTqyuQagrycwCp_kasld-lObFRRK0dBao2nSmNosY5xu7O_6WlI-BpxRnTV4COwsy3_VpemVsPDKd5c1Cfa_3FlG67aYP5XNSRa_oRuHRswJf5s26aXNifrVt43UAU0dw/s320/DSCN1660.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Usando o soldador foi fácil derreter o PLA e retirar o fio.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXHLW2QKGoVAdUjfQ-KIJZhamcwjayflkanWfzg1g3li5PHhG_-XquAXjrwxbGkKnsRyA9DGWwTMn-fRlZ7yQwrsV5qoUcg2KV1G8bvOOsuJ23Mbgj5zSIOAGRhtOGnRjYPKk47IR-rtw/s1600/DSCN1662.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXHLW2QKGoVAdUjfQ-KIJZhamcwjayflkanWfzg1g3li5PHhG_-XquAXjrwxbGkKnsRyA9DGWwTMn-fRlZ7yQwrsV5qoUcg2KV1G8bvOOsuJ23Mbgj5zSIOAGRhtOGnRjYPKk47IR-rtw/s320/DSCN1662.jpg" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOOIney355YxF5wXI9VOaumEz_3hME1Z7twPUWYhqIE7b8tcycTwnFUHCJqGHUUqW2PAc3mYj3zSfxha6gaKnFUYGngOBkogHYxk4rB3KJwPZYCE2nYF4mKh8gdIWU6mEVmVQ_6M_u78E/s1600/DSCN1663.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOOIney355YxF5wXI9VOaumEz_3hME1Z7twPUWYhqIE7b8tcycTwnFUHCJqGHUUqW2PAc3mYj3zSfxha6gaKnFUYGngOBkogHYxk4rB3KJwPZYCE2nYF4mKh8gdIWU6mEVmVQ_6M_u78E/s320/DSCN1663.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> A arruela de madeira está bem queimada, e prestes a quebrar, vou ter que fazer outra.</span></div>
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<span style="font-family: Verdana, sans-serif;"> Não podemos esquecer que a temperatura do meu bico chegou a supostos 460ºC, devido a um erro de digitação no Pronterface, e que eu já havia invertido a arruela de madeira antes, após a primeira desmontagem, porem isso causou mais estres ainda, após a primeira deformação a madeira tende a se acomodar e parar de deformar, portando, </span><span style="font-family: Verdana, sans-serif;">não recomendo a inversão.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVTjyDF4C4e-DWxAxqN4CgTPzSKC8IaxIV5dXbRrVxCE0bygYSXLob-fWjDN-dzdd8nZR5KPRubluAlsPgevpsQZmlF02tMnVTiRrvdkPzIc7jplE719kS3hvdddmNjbIent6ry9ma58o/s1600/DSCN1664.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhVTjyDF4C4e-DWxAxqN4CgTPzSKC8IaxIV5dXbRrVxCE0bygYSXLob-fWjDN-dzdd8nZR5KPRubluAlsPgevpsQZmlF02tMnVTiRrvdkPzIc7jplE719kS3hvdddmNjbIent6ry9ma58o/s320/DSCN1664.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Dá para ver as outras cores de plástico que vazaram no mesmo local.</span><br />
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<span style="font-family: Verdana, sans-serif;"> Após uma boa polida com uma lixa fina e um pouco de WD...</span></div>
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... <span style="font-family: Verdana, sans-serif;">o bico fica novo novamente.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhE7Hvzv0iDUStHUsi4VGNLMjXmeRVOjWwzvEPWJviit4PmL_Hx398vqsgF51aMTe-PGaVZIYJnaZ24haZojfSoTeNUw38boX_nFYnExOO11XMmzTq7TgOaTupm2H7ILDO75gv1I8JdUus/s1600/DSCN1671.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhE7Hvzv0iDUStHUsi4VGNLMjXmeRVOjWwzvEPWJviit4PmL_Hx398vqsgF51aMTe-PGaVZIYJnaZ24haZojfSoTeNUw38boX_nFYnExOO11XMmzTq7TgOaTupm2H7ILDO75gv1I8JdUus/s320/DSCN1671.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">Fiz uma nova arruela de madeira.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGymK_I-WiV878dx7KvJT7dfm_iZj5dHIglQhw51IPy5gLyUiezQscb9cyJerGVvwO98r2LMkgW1Zg6Xu3qwtzX8BijjYQSyetAWlmkuUJOKhhZFYy7OErsVHXJYbVNz-MGqp_rutGSZk/s1600/DSCN1673.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGymK_I-WiV878dx7KvJT7dfm_iZj5dHIglQhw51IPy5gLyUiezQscb9cyJerGVvwO98r2LMkgW1Zg6Xu3qwtzX8BijjYQSyetAWlmkuUJOKhhZFYy7OErsVHXJYbVNz-MGqp_rutGSZk/s320/DSCN1673.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> A arruela de teflon arrebentou, preciso fazer outra, mas estou sem material, vou deixar o furo da arruela de madeira mais fino por hora, pois tb estou sem broca 10, com arruela de teflon a madeira é preservada por mais tempo. </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZJ0XoVkLMfH3wcE3OkjKAv17kodb2S0iWK9Og1GiGksbqMZ4A6nS_gkSTUaF3PHcVeTC-S9XpCx76zxg0IrMIyNSvG34M6Ir7A-GlSZvxxU1_MAV93Lca0XHbP54b4wXTc7dfv0TL_VM/s1600/DSCN1676.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZJ0XoVkLMfH3wcE3OkjKAv17kodb2S0iWK9Og1GiGksbqMZ4A6nS_gkSTUaF3PHcVeTC-S9XpCx76zxg0IrMIyNSvG34M6Ir7A-GlSZvxxU1_MAV93Lca0XHbP54b4wXTc7dfv0TL_VM/s320/DSCN1676.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> É importante apertar os três parafusos por igual, portanto, vou medindo cada um deles a cada aperto, tem que apertar muito, no limite de quebrar a madeira, procure não ultrapassar esse limite ;)</span></div>
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<span style="font-family: Verdana, sans-serif;"> Não posso esquecer de trocar o termistor o que me levou a desmontar.</span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4iQE9U3a_5QNWe3jmERH-ddbYNLaapI1ceRUGtE6-OGBmHkLS3Mqy1H7sqJgctvn1vhWJdFANiYYNZ4ydaPi9yjwZ2flBFdykcTZurgNZcTcLM6TFm1dBWtPUf2slLMKxw_ktAPVV6HQ/s1600/DSCN1679.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4iQE9U3a_5QNWe3jmERH-ddbYNLaapI1ceRUGtE6-OGBmHkLS3Mqy1H7sqJgctvn1vhWJdFANiYYNZ4ydaPi9yjwZ2flBFdykcTZurgNZcTcLM6TFm1dBWtPUf2slLMKxw_ktAPVV6HQ/s320/DSCN1679.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Termistor trocado, agora vou isolar o bloco aquecedor novamente, usando um novo material que o Roberto (RJ) da lista RepRapBR sugeriu sabiamente, a fita de teflon usada para vedação de conexões de roscas hidráulicas.</span><br />
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<span style="font-family: Verdana, sans-serif;"> Primeiro uma camada de Kapton...</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHTsgHFDHYgVVCU6EzaGSxnw42YEK3DqAEcgpOnOJG7o1dXJeVyffXexY01msUAvVZAkCchgXrqekKknWrqn8vFfT3iGr1Tl4eAUgqMU85PlAt4IyIreCkWgFvi6cSgsZNBugE8UJhlKo/s1600/DSCN1681.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHTsgHFDHYgVVCU6EzaGSxnw42YEK3DqAEcgpOnOJG7o1dXJeVyffXexY01msUAvVZAkCchgXrqekKknWrqn8vFfT3iGr1Tl4eAUgqMU85PlAt4IyIreCkWgFvi6cSgsZNBugE8UJhlKo/s320/DSCN1681.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">...muitas e muitas voltas da fita branquinha...</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMO7rujCCUT0hJqgiP4njOcnQUidzdGGGSj9-7IHDgUl9Nwp6fRUOpi_RWJ7dV5xbjOgjfzoGum0JH1g6ONQBK4f6FiOgRovOqdfKJtr6zZlaf06jBLX_GsQ8VuZ39dn4fJ294mOC806M/s1600/DSCN1683.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMO7rujCCUT0hJqgiP4njOcnQUidzdGGGSj9-7IHDgUl9Nwp6fRUOpi_RWJ7dV5xbjOgjfzoGum0JH1g6ONQBK4f6FiOgRovOqdfKJtr6zZlaf06jBLX_GsQ8VuZ39dn4fJ294mOC806M/s320/DSCN1683.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;">... e para finalizar, mais umas voltas de Kapton, notem que desta vez, deixei de fora o disco de madeira, pois antes ele ficava dentro do isolamento o que ajudou a queimar mais rápido.</span></div>
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<span style="font-family: Verdana, sans-serif;"> Pronto, agora posso prosseguir com os testes do plástico chinês.</span></div>Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com3tag:blogger.com,1999:blog-7318267703328809168.post-57312173275169159622012-06-03T16:04:00.002-07:002012-06-10T10:53:34.256-07:00ABS made in China.<div style="text-align: justify;">
<span style="font-family: Verdana, sans-serif;"> Tenho impresso várias peças em ABS que comprei nos USA, entre os acertos também tem erros, nem sempre é culpa da impressora, as vezes foi o micro que travou, umas peças que descolaram, enfim são inúmeros fatores... </span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHOtF4OiaePpKXHif1p8HYdqLgTBawq7EkSjV5O6GVRjeYItBLw15bhGv9gp-Uap3CP6tPxLacqYUDkCaTQ5Jyx7EdkadvBHEYMiXvLZMyPgb40fy2eTLoQ2REGht9WyyYA3HYfDClOYM/s1600/erro.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHOtF4OiaePpKXHif1p8HYdqLgTBawq7EkSjV5O6GVRjeYItBLw15bhGv9gp-Uap3CP6tPxLacqYUDkCaTQ5Jyx7EdkadvBHEYMiXvLZMyPgb40fy2eTLoQ2REGht9WyyYA3HYfDClOYM/s320/erro.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Havia comprado o primeiro ABS na UltiMachine dos USA, indicação do Henrique Muringa, que me falou o seguinte: "para calibrar a impressora é melhor um ABS de qualidade garantida, depois que a impressora estiver calibrada, você começa a testar outros fornecedores", e é isso que eu vou fazer agora, acabei de receber da china ABS e PLA.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxPZ7lrLw0_M_onsgyQ6-NIFI1dCSBnYXvBfC_mTiuDZ3RdnrrrDdZ0dAP_RyCRa70Zn9oDxS6xSqaMVcE39WRNuQMrLDgewRFVw0kHl4G9gyhH_KuMe-T4E4A5aB-HkScgEOn-Ydntoc/s1600/ABS_CHINA.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="188" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxPZ7lrLw0_M_onsgyQ6-NIFI1dCSBnYXvBfC_mTiuDZ3RdnrrrDdZ0dAP_RyCRa70Zn9oDxS6xSqaMVcE39WRNuQMrLDgewRFVw0kHl4G9gyhH_KuMe-T4E4A5aB-HkScgEOn-Ydntoc/s320/ABS_CHINA.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Comecei medindo o diâmetro do filamento do ABS Natural chines, com o micrometro, em vários pontos diferentes, ao longo de uns 5 metros, e procurando sinais de "ovalamento", obtive as seguintes medidas: 2,85; 2,92; 2,93; 2,84; 2,93; 2,90; 2,94; 2,87; 2,93; 2,91, resultando em média 2,902, me pareceu muito bom, o ABS dos USA não foi muito diferente disso, o importante é não ter mais do que 3mm de diâmetro, pois isso pode travar o extrusor.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkbrigf4xb1NFtyAZh00ykUaYHVQ20abDHB59Q63u8key3vItMkXLFeGkkHjIDdgVW3-9vTAXMqmAzSSvLAF0aju8mGIGUz4a18JnEPVqnDd3kbqqymYIF1bYP-23kVZ9nUZYpfjap5Es/s1600/yoda.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="267" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkbrigf4xb1NFtyAZh00ykUaYHVQ20abDHB59Q63u8key3vItMkXLFeGkkHjIDdgVW3-9vTAXMqmAzSSvLAF0aju8mGIGUz4a18JnEPVqnDd3kbqqymYIF1bYP-23kVZ9nUZYpfjap5Es/s320/yoda.jpg" width="320" /></a></div>
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<span style="font-family: Verdana, sans-serif;"> Uma das últimas peças que havia impresso, com ABS USA, foi o Yoda, e como a qualidade estava boa, resolvi começar imprimindo um com o ABS da china. Para fazer uma boa comparação, usei o mesmo arquivo Gcode, para a impressão, para quem não esta familiarizado com o Gcode, é lá que estão todos os parâmetros de impressão, como velocidade dos motores, diâmetro do filamento, etc, também utilizei as mesmas temperaturas de bico e mesa, o resultado foi esse:</span></div>
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<span style="font-family: Verdana, sans-serif;"> O ABS da china é mais claro e brilhante que o ABS dos USA, fora isso eu fiquei muito satisfeito com a qualidade do ABS da China, não precisei mudar nenhum parâmetro e o resultado me pareceu praticamente o mesmo, a próxima peça que escolhi, foi cheia de detalhes e precisava de uma certa precisão:</span></div>
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<span style="font-family: Verdana, sans-serif;"> O ABS da China continuou preciso e consegui imprimir esses pistões a manivela, com um pouco de cola PVC, coloquei tudo no lugar e gravei o vídeo abaixo para vocês verem como ficou!</span></div>
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<span style="font-family: Verdana, sans-serif;"> Por hora, estou muito satisfeito com o ABS da China, falta ainda testar as outras cores de ABS e também o PLA, assim que tiver novas peças, eu posto aqui.</span></div>
<span style="font-family: Verdana, sans-serif;"><br /></span>Paulo Fernandeshttp://www.blogger.com/profile/05178889467921227523noreply@blogger.com7