{"id":7865,"date":"2020-11-26T21:30:03","date_gmt":"2020-11-26T21:30:03","guid":{"rendered":"https:\/\/blog.infraspeak.com\/?p=7865"},"modified":"2026-04-02T18:40:42","modified_gmt":"2026-04-02T18:40:42","slug":"manutencao-lean","status":"publish","type":"post","link":"https:\/\/blog.infraspeak.com\/pt-pt\/manutencao-lean\/","title":{"rendered":"Manuten\u00e7\u00e3o Lean para Principiantes"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div><p><span style=\"font-weight: 400;\">A metodologia lean j\u00e1 n\u00e3o \u00e9 um conceito estranho para a maioria das pessoas. (Se n\u00e3o conhece o conceito, sugerimos voltar aqui mais tarde). As empresas que se est\u00e3o a aventurar no <\/span><i><span style=\"font-weight: 400;\">lean<\/span><\/i><span style=\"font-weight: 400;\"> precisam de estender este pensamento a todos os departamentos. E isto inclui a manuten\u00e7\u00e3o, que \u00e9 a segunda maior despesa das empresas depois dos custos com energia (em m\u00e9dia). Mas em que consiste realmente a manuten\u00e7\u00e3o lean?\u00a0<\/span><\/p>\n<p>Ao implementar a manuten\u00e7\u00e3o lean, \u00e9 crucial n\u00e3o esquecer que a conformidade regulamentar atrav\u00e9s de um <a href=\"https:\/\/infraspeak.com\/pt-pt\/plataforma\/software-gestao-compliance\">software gest\u00e3o de compliance<\/a> \u00e9 essencial para manter os padr\u00f5es de qualidade exigidos, garantindo que a redu\u00e7\u00e3o de custos n\u00e3o compromete a seguran\u00e7a ou os requisitos legais.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Se procurar \u201cmanuten\u00e7\u00e3o lean\u201d no Google, vai encontrar diversas varia\u00e7\u00f5es desta defini\u00e7\u00e3o:<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"padding-left: 30px;\"><em><span style=\"font-weight: 400;\">&#8220;A manuten\u00e7\u00e3o enxuta \u00e9 uma opera\u00e7\u00e3o de manuten\u00e7\u00e3o proativa que planeia e agenda a manuten\u00e7\u00e3o segundo pr\u00e1ticas de TPM. Aplica manuten\u00e7\u00e3o centrada na confiabilidade e baseia-se em decis\u00f5es l\u00f3gicas, empregues por equipas autossuficientes. A manuten\u00e7\u00e3o lean adota os princ\u00edpios lean na Manuten\u00e7\u00e3o, Repara\u00e7\u00e3o e Opera\u00e7\u00f5es (MRO), reduz as paragens n\u00e3o planeadas e a sobrecarga do departamento. Para alcan\u00e7ar estes objetivos, aplica ferramentas lean tais como mapeamento de processos, 5S, gest\u00e3o visual, TPM, OEE, Kaizen, Poka-Yoke, Kanban, <a href=\"https:\/\/infraspeak.com\/pt-pt\/solucoes\/software-cmms\">software CMMS<\/a> ou EAM, e takt time.&#8221;<\/p>\n<p>Embora esta defini\u00e7\u00e3o seja abrangente, na pr\u00e1tica, um <a href=\"https:\/\/infraspeak.com\/pt-pt\/solucoes\/software-cafm\">software CAFM<\/a> integrado pode apoiar significativamente a implementa\u00e7\u00e3o destes princ\u00edpios lean na gest\u00e3o de facilities e manuten\u00e7\u00e3o, simplificando a complexidade inerente a estas metodologias.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Se soa a Japon\u00eas, \u00e9 porque \u00e9. Portanto, embora seja uma defini\u00e7\u00e3o perfeitamente correta\u2026 exige muita interpreta\u00e7\u00e3o. E foi exatamente isso que decidimos fazer! Se quer explorar este tema, fique connosco.\u00a0<\/span><\/p>\n<h2><\/h2>\n<h2><b>O que \u00e9 o lean manufacturing e como se aplica \u00e0 manuten\u00e7\u00e3o?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A metodologia lean defende que podemos aumentar a efici\u00eancia da produ\u00e7\u00e3o ao eliminar a\u00e7\u00f5es sem valor acrescentado. (As a\u00e7\u00f5es de valor n\u00e3o acrescentado s\u00e3o as que n\u00e3o contribuem para o produto em si, como a calendariza\u00e7\u00e3o, montagem de equipamentos, inspe\u00e7\u00f5es, fatura\u00e7\u00e3o, etc.) Estas atividades s\u00e3o consideradas um <\/span><span style=\"font-weight: 400;\">desperd\u00edcio<\/span><span style=\"font-weight: 400;\">, e portanto devem ser reduzidas ao m\u00ednimo. Para reduzir o desperd\u00edcio, a filosofia lean alicer\u00e7a-se nos princ\u00edpios dos 5S: <\/span><i><span style=\"font-weight: 400;\">seiri<\/span><\/i><span style=\"font-weight: 400;\"> (classificar), <\/span><i><span style=\"font-weight: 400;\">seiton<\/span><\/i><span style=\"font-weight: 400;\"> (ordenar), <\/span><i><span style=\"font-weight: 400;\">seiso<\/span><\/i><span style=\"font-weight: 400;\"> (limpar), <\/span><i><span style=\"font-weight: 400;\">seiketsu <\/span><\/i><span style=\"font-weight: 400;\">(padronizar), e <\/span><i><span style=\"font-weight: 400;\">shitsuke<\/span><\/i><span style=\"font-weight: 400;\"> (disciplinar).\u00a0<\/span><\/p>\n<p>Para aplicar eficazmente os princ\u00edpios dos 5S na manuten\u00e7\u00e3o, a gest\u00e3o eficiente das instala\u00e7\u00f5es atrav\u00e9s de um <a href=\"https:\/\/infraspeak.com\/pt-pt\/solucoes\/software-facility-management\">software gest\u00e3o de facilities<\/a> torna-se fundamental. Esta abordagem tecnol\u00f3gica permite classificar, ordenar e padronizar os processos de manuten\u00e7\u00e3o de forma sistem\u00e1tica.<\/p>\n<p>&nbsp;<\/p>\n<p><b>No lean manufacturing, o objetivo \u00e9 estabelecer uma cadeia de alta qualidade, com um sistema simplificado, que permite corresponder \u00e0 procura dos clientes. N\u00e3o deve haver tempos de espera, nem downtime, nem defeitos. \u00c9 imposs\u00edvel atingir estes objetivos sem manuten\u00e7\u00e3o planeada, mas h\u00e1 um pequeno dilema. As inspe\u00e7\u00f5es, monitoriza\u00e7\u00e3o, revis\u00e3o, repara\u00e7\u00e3o e at\u00e9 a manuten\u00e7\u00e3o rotineira dos ativos s\u00e3o todas a\u00e7\u00f5es sem valor acrescentado. Um <a href=\"https:\/\/infraspeak.com\/pt-pt\/plataforma\/software-gestao-de-ativos\">software gest\u00e3o de ativos<\/a> pode ajudar a otimizar estas atividades. Ent\u00e3o, a pergunta deve ser: como podemos ser fi\u00e9is aos princ\u00edpios dos 5S e reduzir o desperd\u00edcio da manuten\u00e7\u00e3o?<\/p>\n<p>&nbsp;<\/p>\n<h2><b>Os \u201c8 Desperd\u00edcios do Lean\u201d aplicados \u00e0 manuten\u00e7\u00e3o<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">De acordo com o lean manufacturing, os <a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/8-desperdicios-do-lean-manufacturing\/\">desperd\u00edcios dividem-se em 8 categorias<\/a>. A forma mais f\u00e1cil de os reduzir \u00e9 perceber como cada um se aplica \u00e0 manuten\u00e7\u00e3o:\u00a0<\/span><\/p>\n<p>Para combater estes desperd\u00edcios de forma eficaz, um <a href=\"https:\/\/infraspeak.com\/pt-pt\/solucoes\/field-service-management-software\">software field service management<\/a> pode ser uma ferramenta valiosa para coordenar as equipas de manuten\u00e7\u00e3o, otimizar rotas e reduzir tempos de espera e movimenta\u00e7\u00f5es desnecess\u00e1rias.<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><b>Superprodu\u00e7\u00e3o. <span style=\"font-weight: 400;\">O excesso de produ\u00e7\u00e3o \u00e9 um dos desperd\u00edcios do lean manufacturing. Na manuten\u00e7\u00e3o, isto equivale a <\/span>manuten\u00e7\u00e3o improdutiva<span style=\"font-weight: 400;\"> \u2013 a\u00e7\u00f5es de <a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/manutencao-preventiva\/\">manuten\u00e7\u00e3o preventiva<\/a> ou <a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/o-que-e-manutencao-preditiva\/\">preditiva<\/a> executadas com mais frequ\u00eancia do que o necess\u00e1rio.\u00a0<\/span><\/b><\/li>\n<li><strong>Defeitos.<\/strong> <span style=\"font-weight: 400;\">Os produtos com defeito s\u00e3o um dos grandes<\/span><i><span style=\"font-weight: 400;\"> pesadelos <\/span><\/i><span style=\"font-weight: 400;\">do lean manufacturing (ou talvez seja s\u00f3 bom senso). Em manuten\u00e7\u00e3o, isto equivale a <\/span><strong>manuten\u00e7\u00e3o e repara\u00e7\u00f5es mal executadas<\/strong><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li><b>Excesso de transporte.<\/b><span style=\"font-weight: 400;\"> Quando as pe\u00e7as e os materiais n\u00e3o est\u00e3o \u00e0 m\u00e3o, os t\u00e9cnicos perdem tempo. A <\/span><b>manuten\u00e7\u00e3o descentralizada<\/b><span style=\"font-weight: 400;\"> resulta em excesso de transporte e desperd\u00edcio de tempo \u00e0 procura de documentos ferramentas.<\/span><\/li>\n<li><b>Processamento impr\u00f3prio.<\/b> As decis\u00f5es baseadas em dados s\u00e3o o nosso dia a dia, mas primeiro precisa de encontrar os KPIs certos. <b>Recolher dados desnecess\u00e1rios, ou n\u00e3o recolher os que s\u00e3o realmente importantes, ou n\u00e3o procurar as causas raiz<\/b> das falhas comprometem o <i>insight<\/i> que tem sobre as a\u00e7\u00f5es de manuten\u00e7\u00e3o.<\/li>\n<li><b>Tempos de espera. <span style=\"font-weight: 400;\">Talvez seja o desperd\u00edcio mais \u00f3bvio. <\/span>Ficar \u00e0 espera de indica\u00e7\u00f5es ou que as pe\u00e7as cheguem<span style=\"font-weight: 400;\"> n\u00e3o pode acontecer numa manuten\u00e7\u00e3o lean.\u00a0<\/span><\/b><\/li>\n<li><strong>Movimentos desnecess\u00e1rios.<\/strong> Em manuten\u00e7\u00e3o, isto relaciona-se diretamente com a manuten\u00e7\u00e3o improdutiva. Ser\u00e1 que os t\u00e9cnicos devem deslocar-se para fazer uma inspe\u00e7\u00e3o mensal, <strong>sem ter em considera\u00e7\u00e3o o estado do ativo?<\/strong><\/li>\n<li><b>Invent\u00e1rio em excesso.<\/b> A <b>gest\u00e3o ineficiente do invent\u00e1rio<\/b>, quer provoque quebras de stock ou stock em excesso, tem custos. Uma gest\u00e3o de materiais MRO limita o stock ao estritamente necess\u00e1rio, enquanto que os princ\u00edpios \u201cjust-in-time\u201d (\u201cmesmo a tempo\u201d) e <i>kanban<\/i> tentam que s\u00f3 receba materiais quando j\u00e1 s\u00e3o necess\u00e1rios.<\/li>\n<li><b>M\u00e1 utiliza\u00e7\u00e3o do capital humano.<\/b> Outro erro fatal \u00e9<b> ocupar t\u00e9cnicos altamente especializados com tarefas menores<\/b>. Uma forma de evitar isto \u00e9 atrav\u00e9s de Manuten\u00e7\u00e3o Aut\u00f3noma e de TPM, que distribuem essa responsabilidade por toda a equipa.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><b>T\u00e9cnicas de manuten\u00e7\u00e3o lean para evitar o desperd\u00edcio\u00a0<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Evitar os desperd\u00edcios que mencion\u00e1mos acima \u00e9 o que nos leva \u00e0s estrat\u00e9gias que <\/span><span style=\"font-weight: 400;\">mencion\u00e1mos logo no in\u00edcio:<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p>Uma das ferramentas fundamentais para implementar com sucesso a manuten\u00e7\u00e3o lean \u00e9 um <a href=\"https:\/\/infraspeak.com\/pt-pt\/solucoes\/software-gestao-stocks\">software gest\u00e3o de stocks<\/a> que permita otimizar o invent\u00e1rio e reduzir os desperd\u00edcios relacionados com excesso de stock ou ruturas. Esta tecnologia alinha-se perfeitamente com os princ\u00edpios lean ao eliminar a\u00e7\u00f5es sem valor acrescentado na gest\u00e3o de materiais.<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><b><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/total-productive-maintenance\/\">Manuten\u00e7\u00e3o Produtiva Total<\/a> ou TPM, <span style=\"font-weight: 400;\">cujo objetivo s\u00e3o zero paragens, zero downtime e zero defeitos,<\/span> <span style=\"font-weight: 400;\">\u00e9 a base para a manuten\u00e7\u00e3o lean.<\/span><\/b><\/li>\n<li style=\"font-weight: 400;\"><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/manutencao-autonoma\/\"><b>A manuten\u00e7\u00e3o aut\u00f3noma<\/b><\/a><span style=\"font-weight: 400;\">, um dos oito <\/span><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/8-pilares-tpm\/\"><span style=\"font-weight: 400;\">pilares da TPM<\/span><\/a><span style=\"font-weight: 400;\">, torna as equipas mais autossuficientes e independentes,<\/span><span style=\"font-weight: 400;\"> o que liberta os t\u00e9cnicos para tarefas mais complexas. <\/span><span style=\"font-weight: 400;\">Um dos passos para implementar uma estrat\u00e9gia de manuten\u00e7\u00e3o aut\u00f3noma \u00e9 precisamente estabelecer um sistema de gest\u00e3o mais visual (atrav\u00e9s de etiquetas, por exemplo), o que se enquadra nos princ\u00edpios do lean.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/manutencao-centrada-fiabilidade\/\"><b>Manuten\u00e7\u00e3o centrada na fiabilidade<\/b><\/a><span style=\"font-weight: 400;\"> ou <\/span><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/9-tecnicas-de-manutencao-com-base-na-condicao\/\"><b>baseada na condi\u00e7\u00e3o<\/b><\/a><span style=\"font-weight: 400;\"> \u2013 em vez de <\/span><span style=\"font-weight: 400;\">manuten\u00e7\u00e3o planeada em intervalos de tempo<\/span><span style=\"font-weight: 400;\">, sem ter em considera\u00e7\u00e3o a probabilidade de falha \u2013 de forma a evitar trabalho em excesso. A <\/span><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/analise-de-vibracao\/\"><span style=\"font-weight: 400;\">an\u00e1lise de vibra\u00e7\u00f5es<\/span><\/a><span style=\"font-weight: 400;\"> e os testes de ultrassom, por exemplo, s\u00e3o t\u00e9cnicas de manuten\u00e7\u00e3o baseada na condi\u00e7\u00e3o.<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Gest\u00e3o de stocks e de compras\u00a0<\/b><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/mro-manutencao-reparacao-operacoes\/\"><b>MRO<\/b><\/a><span style=\"font-weight: 400;\">, para organizar o invent\u00e1rio de forma mais eficiente, reduzir os tempos de resposta, evitar quebras de stock e overstocking. Se costuma planear a manuten\u00e7\u00e3o consoante os ciclos de uso, ent\u00e3o \u00e9 conveniente saber a velocidade a que precisa de completar a produ\u00e7\u00e3o. Este \u00e9 o intruso Alem\u00e3o no lean Japon\u00eas: <\/span><a href=\"https:\/\/blogdaqualidade.com.br\/takt-time\/\"><span style=\"font-weight: 400;\">takt time<\/span><\/a><span style=\"font-weight: 400;\">.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Mapeamento do Fluxo de Valor (ou VSM) <\/b><span style=\"font-weight: 400;\">e <\/span><b>mapeamento de processos<\/b><span style=\"font-weight: 400;\">, para ter uma perspetiva do processo no seu conjunto, o que evita a duplica\u00e7\u00e3o de tarefas, excesso de movimento e de transporte, assim como tempos de espera.<\/span><\/li>\n<li style=\"font-weight: 400;\"><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/kaizen-melhorias-continuas\/\"><b>Eventos Kaizen<\/b><\/a><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">que promovem a avalia\u00e7\u00e3o e melhoria cont\u00ednua da gest\u00e3o de tempo, de recursos e de qualidade. (N\u00e3o se esque\u00e7a que a melhoria cont\u00ednua tamb\u00e9m \u00e9 outro dos pilares da TPM). Por vezes, estes eventos decorrem a um ritmo muito acelerado, o que \u00e9 conhecido como \u201cKaizen blitz\u201d.<\/span><\/li>\n<li style=\"font-weight: 400;\"><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/oee-teep-ooe\/\"><b>Acompanhe o OEE<\/b><\/a><span style=\"font-weight: 400;\"> para tomar decis\u00f5es com base em dados concretos, e conseguir melhorar o <a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/oee-teep-ooe\/\">OEE<\/a> continuamente. Como o OEE \u00e9 um produto direto da <\/span><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/disponibilidade-confiabilidade-manutenibilidade\/\"><span style=\"font-weight: 400;\">disponibilidade<\/span><\/a><span style=\"font-weight: 400;\">, desempenho e qualidade, tamb\u00e9m precisa de adicionar o <a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/mttr\/\">MTTR<\/a> e o <a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/o-que-mtbf\/\">MTBF<\/a> \u00e0 sua lista de KPIS.<\/span><\/li>\n<li style=\"font-weight: 400;\"><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/analise-de-causa-raiz\/\"><b>Ferramentas de an\u00e1lise de causa raiz<\/b><\/a><span style=\"font-weight: 400;\">, incluindo <\/span><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/analise-fmea\/\"><span style=\"font-weight: 400;\">FMEA<\/span><\/a><span style=\"font-weight: 400;\">, para encontrar a causa raiz e prevenir problemas no futuro. As an\u00e1lises de causa raiz tamb\u00e9m podem ser usadas para testar o design dos ativos e dos produtos, de maneira a eliminar caracter\u00edsticas que podem ser problem\u00e1ticas no futuro. Esta t\u00e9cnica \u00e9 conhecida como manuten\u00e7\u00e3o <\/span><i><span style=\"font-weight: 400;\">design-out<\/span><\/i><span style=\"font-weight: 400;\"> (\u201cmanuten\u00e7\u00e3o de elimina\u00e7\u00e3o\u201d, em tradu\u00e7\u00e3o livre), e costuma reservar-se para ativos de alta criticidade ou que requerem muitos custos de manuten\u00e7\u00e3o. Tamb\u00e9m pode tentar outras t\u00e9cnicas como o Poka-Yoke, ou \u201c\u00e0 prova de erro\u201d.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Use um CMMS<\/b><span style=\"font-weight: 400;\">, ou outro <\/span><a href=\"https:\/\/blog.infraspeak.com\/pt-pt\/sistema-de-gestao-de-ativos\/\"><span style=\"font-weight: 400;\">sistema de gest\u00e3o de ativos<\/span><\/a><span style=\"font-weight: 400;\">, para criar uma ordem de trabalhos, decidir prioridades e monitorizar todos os seus KPIs com facilidade. E n\u00e3o se esque\u00e7a que este sistema de gest\u00e3o tamb\u00e9m deve ser lean, por isso evite software com funcionalidades que s\u00f3 v\u00e3o criar polui\u00e7\u00e3o visual para si. Prefira uma <\/span><a href=\"https:\/\/infraspeak.com\/pt-pt\/funcionalidades\/\"><span style=\"font-weight: 400;\">aplica\u00e7\u00e3o em m\u00f3dulos<\/span><\/a><span style=\"font-weight: 400;\"> com um dashboard customiz\u00e1vel.\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">H\u00e1 v\u00e1rias estrat\u00e9gias que pode aplicar para ser bem-sucedido na manuten\u00e7\u00e3o lean. Sobretudo, nunca se esque\u00e7a que este \u00e9 um debate sempre em aberto \u2013 ningu\u00e9m tem uma receita. O importante \u00e9 perceber como \u00e9 que todas estas t\u00e9cnicas se complementam e como \u00e9 que cada uma evita desperd\u00edcios.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Lean manufacturing estabelece sistemas simplificados sem tempos de espera, sem tempo de inatividade e sem defeitos. Mas e a manuten\u00e7\u00e3o Lean?<\/p>\n","protected":false},"author":54,"featured_media":7857,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":"","_wp_rev_ctl_limit":""},"categories":[371],"tags":[],"class_list":["post-7865","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-manutencao"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Manuten\u00e7\u00e3o lean para principiantes &#8226; Infraspeak Blog<\/title>\n<meta name=\"description\" content=\"A Lean manufacturing estabelece sistemas simplificados sem tempos de espera, sem tempo de inatividade e sem defeitos. 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