{"id":10573,"date":"2021-09-01T12:59:09","date_gmt":"2021-09-01T12:59:09","guid":{"rendered":"https:\/\/blog.infraspeak.com\/?p=10573"},"modified":"2026-04-02T18:41:25","modified_gmt":"2026-04-02T18:41:25","slug":"impressao-3d-ou-fabrico-aditivo","status":"publish","type":"post","link":"https:\/\/blog.infraspeak.com\/pt-pt\/impressao-3d-ou-fabrico-aditivo\/","title":{"rendered":"Impress\u00e3o 3D ou Fabrico Aditivo em Manuten\u00e7\u00e3o"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div><p><span style=\"font-weight: 400;\">O Fabrico Aditivo (ou Additive Manufacturing, em Ingl\u00eas) \u00e9 uma das tecnologias mais associadas \u00e0 Ind\u00fastria 4.0, juntamente com a an\u00e1lise de grande quantidade de dados, a Internet das Coisas (IoT), sistemas ciberf\u00edsicos, simula\u00e7\u00f5es, realidade aumentada (AR) e realidade virtual (VR).  Mas o que \u00e9 o fabrico aditivo? Como funciona? Que melhorias pode trazer para os gestores de manuten\u00e7\u00e3o e facility managers que utilizam <a href=\"https:\/\/infraspeak.com\/pt-pt\/solucoes\/software-facility-management\">software gest\u00e3o de facilities<\/a>? E quais s\u00e3o as diferen\u00e7as entre as v\u00e1rias t\u00e9cnicas de impress\u00e3o 3D?<br \/>\n<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><b>O que \u00e9 o fabrico aditivo?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">O fabrico aditivo \u00e9 tamb\u00e9m conhecido como <strong>Impress\u00e3o 3D<\/strong>. Como funciona? Uma m\u00e1quina de impress\u00e3o l\u00ea um ficheiro de computador camada a camada e imprime cada uma delas. No final, todas as camadas constroem um objeto 3D.<br \/>\n<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>Inicialmente, a impress\u00e3o 3D era principalmente utilizada para criar prot\u00f3tipos. Agora, est\u00e1 a mudar o fabrico e a manuten\u00e7\u00e3o. Em particular, para manuten\u00e7\u00e3o e instala\u00e7\u00f5es, pode melhorar o invent\u00e1rio e a gest\u00e3o de stocks, especialmente quando integrada com <a href=\"https:\/\/infraspeak.com\/pt-pt\/solucoes\/software-gestao-stocks\">software gest\u00e3o de stocks<\/a>. Pode tamb\u00e9m prolongar a vida \u00fatil de ativos mais antigos, como vamos ver.<\/p>\n<p>A implementa\u00e7\u00e3o bem-sucedida do fabrico aditivo em facilities requer uma abordagem integrada com <a href=\"https:\/\/infraspeak.com\/pt-pt\/solucoes\/software-cafm\">software CAFM<\/a> para otimizar a gest\u00e3o de ativos e coordenar a manuten\u00e7\u00e3o com a produ\u00e7\u00e3o de pe\u00e7as personalizadas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Fabrica\u00e7\u00e3o Aditiva: exemplos reais<\/h3>\n<p><span style=\"font-weight: 400;\">Empresas como a <a href=\"https:\/\/www.powermag.com\/3-d-printing-the-future-of-manufacturing-and-maintenance\/\">Siemens e a General Electrical<\/a> t\u00eam vindo a utilizar o fabrico aditivo desde h\u00e1 alguns anos (a Siemens j\u00e1 abriu umas instala\u00e7\u00f5es de impress\u00e3o 3D na Su\u00e9cia em 2016). Podem reparar pontas de queimadores 60% mais r\u00e1pido do que antes, e reduzir os tempos de repara\u00e7\u00e3o das turbinas em 90%.<br \/>\n<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">A <a href=\"https:\/\/amfg.ai\/2020\/03\/19\/4-ways-3d-printing-is-enhancing-maintenance-and-repair-operations\/\">Deutsche Bahn<\/a> (caminhos de ferro alem\u00e3es) tamb\u00e9m utiliza a impress\u00e3o 3D para pelo menos 100 pe\u00e7as que s\u00e3o dif\u00edceis de adquirir e impossibilitam a circula\u00e7\u00e3o de comboios, o que pode custar \u00e0 empresa milhares de euros diariamente. Hoje em dia, as pe\u00e7as de 13 kg podem ser impressas em 7 horas, diminuindo o downtime e as perdas financeiras.<\/p>\n<p>Para maximizar os benef\u00edcios do fabrico aditivo na manuten\u00e7\u00e3o, como demonstrado pela Deutsche Bahn, \u00e9 essencial integrar esta tecnologia com <a href=\"https:\/\/infraspeak.com\/pt-pt\/solucoes\/field-service-management-software\">software field service management<\/a> que permita coordenar eficientemente as opera\u00e7\u00f5es de campo e a produ\u00e7\u00e3o de pe\u00e7as sob demanda.<\/p>\n<p><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Para a maioria das empresas, no entanto, o fabrico aditivo na manuten\u00e7\u00e3o ainda \u00e9 algo do futuro. Imagine nunca esperar pela chegada de pe\u00e7as e imprimi-las nas suas instala\u00e7\u00f5es, ao seu ritmo. Isto \u00e9 especialmente importante para as pe\u00e7as personalizadas, que t\u00eam os tempos de espera mais longos.<br \/>\n<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Vejamos as vantagens e desvantagens do fabrico aditivo.<br \/>\n<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><b>Vantagens do Fabrico Aditivo<\/b><\/h3>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Repara\u00e7\u00f5es mais r\u00e1pidas, o que leva a um <a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/mttr\/\">MTTR<\/a> menor, maior disponibilidade e um melhor OEE. Com a r\u00e1pida reposi\u00e7\u00e3o, os ciclos de produ\u00e7\u00e3o e manuten\u00e7\u00e3o tornam-se mais curtos.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Reduz os custos de invent\u00e1rio, visto que n\u00e3o \u00e9 necess\u00e1rio manter as pe\u00e7as em armaz\u00e9m &#8220;s\u00f3 por precau\u00e7\u00e3o&#8221; &#8211; pode faz\u00ea-las quando s\u00e3o necess\u00e1rias &#8211; &#8220;<a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/manutencao-lean\/\">just in time<\/a>&#8220;. Al\u00e9m disso, a impress\u00e3o precisa de componentes inteiros tamb\u00e9m reduz os custos de montagem.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Pode imprimir qualquer coisa, mesmo que seja para equipamentos antigos ou pe\u00e7as sobressalentes que j\u00e1 n\u00e3o estejam em produ\u00e7\u00e3o. J\u00e1 n\u00e3o substituiremos ativos completos simplesmente porque as pe\u00e7as originais foram descontinuadas. Isto prolonga a vida \u00fatil do equipamento e o aumenta retorno do investimento.\u00a0<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">As pe\u00e7as podem ser projetadas atrav\u00e9s de engenharia inversa e redesenhadas para serem compat\u00edveis com equipamento mais antigo, mas com alguns ajustes para as tornar mais eficientes. Dado que o equipamento envelhecido \u00e9 um dos <a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/estatisticas-de-manutencao\/\">maiores desafios que os gestores europeus enfrentam<\/a>, isto tem o potencial para ser revolucion\u00e1rio.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">As empresas com equipamento de impress\u00e3o no terreno tornam-se menos dependentes dos fornecedores e podem facilmente personalizar pe\u00e7as e produtos. O fabrico aditivo proporciona uma liberdade de desenho ilimitada.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><b>Desvantagens do Fabrico Aditivo<\/b><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Soa demasiado bom para ser verdade? Bem, as m\u00e1quinas de impress\u00e3o n\u00e3o como uma foto instant\u00e2nea. Podem levar o seu tempo a imprimir o que necessita. Mas ainda assim \u00e9 prov\u00e1vel que seja mais <em>r\u00e1pida<\/em> do que o transporte, para n\u00e3o falar de mais sustent\u00e1vel. Al\u00e9m disso, \u00e9 necess\u00e1rio ter prot\u00f3tipos prontos a utilizar &#8211; uma esp\u00e9cie de armaz\u00e9m digital.<\/p>\n<p>Al\u00e9m dos desafios t\u00e9cnicos mencionados, a utiliza\u00e7\u00e3o de fabrico aditivo na manuten\u00e7\u00e3o industrial deve ser acompanhada por <a href=\"https:\/\/infraspeak.com\/pt-pt\/plataforma\/software-gestao-compliance\">software gest\u00e3o de compliance<\/a> para garantir que as pe\u00e7as impressas cumprem todas as normas e regulamenta\u00e7\u00f5es aplic\u00e1veis.<\/p>\n<p><\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">O fabrico aditivo \u00e9 rent\u00e1vel uma vez implementado, mas tem um alto investimento inicial. As m\u00e1quinas podem custar 0,6 at\u00e9 1,5 milh\u00f5es de euros. As mat\u00e9rias-primas, como o p\u00f3 de metal, tamb\u00e9m s\u00e3o caras.<br \/>\n<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Por conseguinte, o fabrico aditivo n\u00e3o ser\u00e1 uma op\u00e7\u00e3o sensata em termos de custos para componentes menores at\u00e9 esta tecnologia se tornar menos dispendiosa.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">As m\u00e1quinas precisam de se tornar mais produtivas para serem mais r\u00e1pidas e acomodarem diferentes tipos de pe\u00e7as.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Uma vez que \u00e9 ainda (relativamente) nova, ainda n\u00e3o existem padr\u00f5es de qualidade na ind\u00fastria. Tem de discutir todos os pormenores com o fornecedor.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<div style=\"background-color: #eee; padding: 20px;\"><strong>Uma forma de contornar o investimento inicial: subcontrata\u00e7\u00e3o da impress\u00e3o 3D<\/strong><\/div>\n<div style=\"background-color: #eee; padding: 20px;\">Ter uma m\u00e1quina pronta a imprimir nas suas instala\u00e7\u00f5es parece ideal. No entanto, se n\u00e3o tiver dinheiro para m\u00e1quinas, poder\u00e1 subcontratar a impress\u00e3o 3D. Comece com um <em>scanner<\/em> 3D para criar ficheiros CAD de pe\u00e7as importantes, e pe\u00e7a a um parceiro para os imprimir. Embora isto n\u00e3o elimine os prazos de entrega, vai permitir-lhe ainda assim imprimir pe\u00e7as personalizadas ou descontinuadas.<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><b>T\u00e9cnicas de Impress\u00e3o 3D<\/b><\/h2>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Se est\u00e1 a imaginar uma impressora gigantesca, h\u00e1 ainda mais algumas coisas que deve saber. Apesar de ser relativamente nova, j\u00e1 existem v\u00e1rias t\u00e9cnicas de impress\u00e3o 3D. Estas s\u00e3o as t\u00e9cnicas de impress\u00e3o 3D mais comuns na manuten\u00e7\u00e3o:<\/p>\n<p>Independentemente da t\u00e9cnica de impress\u00e3o 3D escolhida, para uma gest\u00e3o eficaz da manuten\u00e7\u00e3o com fabrico aditivo \u00e9 fundamental contar com <a href=\"https:\/\/infraspeak.com\/pt-pt\/solucoes\/software-cmms\">software CMMS<\/a> que permita planear, controlar e integrar a produ\u00e7\u00e3o de pe\u00e7as com todas as atividades de manuten\u00e7\u00e3o.<\/p>\n<p><\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><strong>Fus\u00e3o seletiva por laser (SLM &#8211; Selective Laser Melting) e fus\u00e3o direta por laser de metal (DMLM &#8211; Direct Metal Laser Melting).<\/strong> Uma camada de metal \u00e9 colocada sobre uma placa na impressora. A impressora l\u00ea um ficheiro CAD e um laser de alta pot\u00eancia derrete o p\u00f3. O componente \u00e9 ent\u00e3o constru\u00eddo camada por camada. Tem um elevado grau de precis\u00e3o, o que o torna apropriado para um trabalho preciso e poupa tempo na aplica\u00e7\u00e3o.\u00a0<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><strong>Deposi\u00e7\u00e3o de metais a laser (LMD &#8211; Laser Metal Deposition).<\/strong> Tal como a SLM e a DMLM, a LMD utiliza p\u00f3 de metal para imprimir. A diferen\u00e7a \u00e9 que o p\u00f3, em vez de ser colocado sobre uma placa, \u00e9 injetado diretamente no feixe do laser. Como resultado, consegue imprimir pe\u00e7as muito mais rapidamente, embora com menos precis\u00e3o. Os t\u00e9cnicos ter\u00e3o de ajustar as pe\u00e7as manualmente, o que ir\u00e1 atrasar a aplica\u00e7\u00e3o.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><strong>Fundi\u00e7\u00e3o por feixe de eletr\u00f5es (EBM &#8211; Electron Beam Melting).<\/strong> Em vez de um laser, a EBM utiliza um feixe de eletr\u00f5es. \u00c9 semelhante ao SLM em efic\u00e1cia, mas o EBM s\u00f3 pode ser utilizado com um n\u00famero limitado de metais.\u00a0<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Estamos ansiosos pelo dia em que a manuten\u00e7\u00e3o prescritiva diagnostica uma falha e ordena automaticamente que o sistema imprima uma pe\u00e7a em 3D. Entretanto, estamos focados na constru\u00e7\u00e3o de uma Plataforma Inteligente de Gest\u00e3o de Manuten\u00e7\u00e3o que automatize o trabalho tanto quanto poss\u00edvel. Marque uma reuni\u00e3o para ver como a Infraspeak o pode ajudar.<br \/>\n<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/infraspeak.com\/pt-pt\/demo\/\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-3725\" src=\"http:\/\/blog.infraspeak.com\/wp-content\/uploads\/2019\/11\/PT-Demo-Banner.png\" alt=\"\" width=\"1694\" height=\"582\" srcset=\"https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2019\/11\/PT-Demo-Banner.png 1694w, https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2019\/11\/PT-Demo-Banner-300x103.png 300w, https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2019\/11\/PT-Demo-Banner-768x264.png 768w, https:\/\/blog.infraspeak.com\/wp-content\/uploads\/2019\/11\/PT-Demo-Banner-1024x352.png 1024w\" sizes=\"(max-width: 1694px) 100vw, 1694px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mas o que \u00e9 o fabrico aditivo? Como funciona? Que melhorias pode trazer para os gestores de manuten\u00e7\u00e3o e facility managers? E quais s\u00e3o as diferen\u00e7as entre as v\u00e1rias t\u00e9cnicas de impress\u00e3o 3D?<\/p>\n","protected":false},"author":54,"featured_media":10521,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":"","_wp_rev_ctl_limit":""},"categories":[371,372],"tags":[],"class_list":["post-10573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-manutencao","category-tecnologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Impress\u00e3o 3D ou Fabrico Aditivo em Manuten\u00e7\u00e3o &#8226; Infraspeak Blog<\/title>\n<meta name=\"description\" content=\"O que \u00e9 o fabrico aditivo ou impress\u00e3o 3D? Como funciona? 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