{"id":21639,"date":"2025-09-11T23:57:57","date_gmt":"2025-09-12T07:57:57","guid":{"rendered":"https:\/\/shengenfab.com\/?page_id=21639"},"modified":"2025-10-07T19:57:30","modified_gmt":"2025-10-08T03:57:30","slug":"guidelines-for-sheet-metal-fabrication-design","status":"publish","type":"page","link":"https:\/\/shengenfab.com\/pt\/guidelines-for-sheet-metal-fabrication-design\/","title":{"rendered":"Diretrizes para a conce\u00e7\u00e3o do fabrico de chapas met\u00e1licas"},"content":{"rendered":"
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Diretrizes para a conce\u00e7\u00e3o do fabrico de chapas met\u00e1licas<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A produ\u00e7\u00e3o de uma pe\u00e7a de chapa met\u00e1lica funcional requer um planeamento cuidadoso. Uma pe\u00e7a bem concebida \u00e9 forte, tem um aspeto profissional e pode ser fabricada sem problemas. Este guia apresenta regras simples para o ajudar a conceber pe\u00e7as de chapa met\u00e1lica que funcionem na produ\u00e7\u00e3o real.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Princ\u00edpios de conce\u00e7\u00e3o para fabrico (DFM)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Um bom design torna a produ\u00e7\u00e3o mais f\u00e1cil e mais barata. Pense sempre na forma como a pe\u00e7a vai ser fabricada. Esta abordagem \u00e9 designada por Design for Manufacturing, ou DFM.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Import\u00e2ncia das toler\u00e2ncias no fabrico<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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As toler\u00e2ncias definem a varia\u00e7\u00e3o permitida nas dimens\u00f5es de uma pe\u00e7a. Utilize toler\u00e2ncias apertadas apenas quando estas forem essenciais. As toler\u00e2ncias apertadas desnecess\u00e1rias aumentam os custos. Para a maioria das carater\u00edsticas, mantenha as toler\u00e2ncias padr\u00e3o. Isto d\u00e1 ao fabricante espa\u00e7o para trabalhar sem diminuir a qualidade.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Manter os desenhos simples<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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As pe\u00e7as simples s\u00e3o mais baratas de produzir. Reduza as curvas e as carater\u00edsticas \u00fanicas sempre que puder. Vamos combinar v\u00e1rias pe\u00e7as numa s\u00f3. Isto diminui o tempo de montagem e reduz a necessidade de fixadores. Os designs mais simples s\u00e3o tamb\u00e9m mais fi\u00e1veis e f\u00e1ceis de fabricar.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Normaliza\u00e7\u00e3o de pe\u00e7as e carater\u00edsticas<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Utilize tamanhos de orif\u00edcio, raios de curvatura e tamanhos de folha normalizados. A normaliza\u00e7\u00e3o reduz o tempo de configura\u00e7\u00e3o e as mudan\u00e7as de ferramentas. Tamb\u00e9m facilita o fornecimento de materiais. Mantenha-se fiel aos materiais e acabamentos comuns que s\u00e3o f\u00e1ceis de obter.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Carater\u00edsticas comuns das pe\u00e7as de chapa met\u00e1lica<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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As pe\u00e7as de chapa met\u00e1lica incluem frequentemente carater\u00edsticas que melhoram a resist\u00eancia, a fun\u00e7\u00e3o ou a montagem. Cada carater\u00edstica tem um objetivo e deve ser cuidadosamente concebida para evitar problemas durante o fabrico.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Filetes de Canto<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Os cantos afiados enfraquecem as pe\u00e7as e dificultam a dobragem. Os filetes distribuem a tens\u00e3o e reduzem o risco de fissuras. Tamb\u00e9m melhoram o ajuste durante a montagem e d\u00e3o um aspeto mais limpo. Utilize raios consistentes que correspondam \u00e0s ferramentas padr\u00e3o para facilitar a produ\u00e7\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Costeletas<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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As nervuras aumentam a rigidez sem grande peso adicional. Evitam o empeno em \u00e1reas grandes e planas e reduzem a vibra\u00e7\u00e3o. Mantenha a profundidade e o espa\u00e7amento das nervuras uniformes para um melhor desempenho e um fabrico mais f\u00e1cil.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Embossments<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Os relevos criam \u00e1reas elevadas ou rebaixadas na chapa. Podem refor\u00e7ar pe\u00e7as, atuar como espa\u00e7adores ou proporcionar espa\u00e7o para fixadores. Controle a altura e a largura para evitar rasgos durante a moldagem.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Covinhas\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Covinhas<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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As covinhas refor\u00e7am as sec\u00e7\u00f5es planas e podem melhorar o fluxo de ar em alguns modelos. Tamb\u00e9m ajudam a alinhar parafusos ou rebites. Dimensione-as cuidadosamente para evitar que o material fique demasiado fino. O espa\u00e7amento correto garante uma resist\u00eancia consistente em toda a pe\u00e7a.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Buracos redondos<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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As aberturas redondas criam aberturas para fios, cabos ou fixadores. Podem ser removidos sem danificar a pe\u00e7a. Para evitar fissuras, coloque as aberturas longe de curvas ou arestas. Os tamanhos padr\u00e3o funcionam melhor para hardware comum.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Grelhas\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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Grelhas<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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As grelhas permitem a ventila\u00e7\u00e3o, mantendo as pe\u00e7as fortes e r\u00edgidas. Orientam o fluxo de ar e podem reduzir o peso. Defina o \u00e2ngulo e o espa\u00e7amento corretos para equilibrar o fluxo de ar com a resist\u00eancia. Coloque-as em \u00e1reas planas para formar de forma limpa e reduzir os defeitos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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No\u00e7\u00f5es b\u00e1sicas de dobragem<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A dobragem molda chapas planas em pe\u00e7as funcionais, mantendo a resist\u00eancia e a precis\u00e3o. A compreens\u00e3o dos principais termos e valores facilita a produ\u00e7\u00e3o de projectos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Linha\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Linha de dobra<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A linha de dobragem \u00e9 onde a folha se dobra. Mesmo um pequeno desvio pode afetar as posi\u00e7\u00f5es dos furos ou o ajuste da montagem. Uma toler\u00e2ncia t\u00edpica \u00e9 de \u00b10,25 mm, o que mant\u00e9m as dobras precisas para a maioria das pe\u00e7as.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\u00c2ngulo\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u00c2ngulo<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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O \u00e2ngulo de dobragem define a forma final, como uma dobra de 90\u00b0 para suportes ou molduras. Materiais como o a\u00e7o macio recuam frequentemente 2-4\u00b0 ap\u00f3s a dobragem. Para obter um verdadeiro 90\u00b0, os operadores podem definir a ferramenta para cerca de 88\u00b0, permitindo que a pe\u00e7a relaxe no \u00e2ngulo correto.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Raio\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Raio<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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O raio de curvatura interior controla a resist\u00eancia da pe\u00e7a. Uma boa regra \u00e9 fazer corresponder o raio \u00e0 espessura do material. Por exemplo, uma chapa de a\u00e7o inoxid\u00e1vel de 2 mm funciona melhor com um raio interior de 2 mm. Isto evita fissuras e mant\u00e9m as curvas suaves. Os metais mais macios, como o alum\u00ednio, podem suportar curvas mais apertadas, embora a correspond\u00eancia entre a espessura e o raio melhore a consist\u00eancia.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Eixo\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Eixo neutro<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Durante a flex\u00e3o, a superf\u00edcie exterior estica-se e a superf\u00edcie interior comprime-se. Entre elas encontra-se o eixo neutro, que n\u00e3o muda de comprimento. Normalmente, este eixo situa-se a cerca de um ter\u00e7o da superf\u00edcie interior do material. Conhecer a sua posi\u00e7\u00e3o ajuda a fazer esquemas precisos de padr\u00f5es planos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Fator\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Fator K<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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O fator K descreve onde se encontra o eixo neutro dentro da espessura do material. Para a\u00e7o laminado a frio de 1 mm, \u00e9 frequentemente cerca de 0,33. Para a mesma espessura de alum\u00ednio, pode estar mais pr\u00f3ximo de 0,40. A utiliza\u00e7\u00e3o do fator K correto garante que a chapa plana se dobra com o tamanho final correto.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Toler\u00e2ncia\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Toler\u00e2ncia de curvatura<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A dobragem estica o material, pelo que os projectistas devem t\u00ea-la em conta. A margem de dobragem \u00e9 o comprimento extra adicionado para garantir que a chapa plana se forma corretamente. Por exemplo, uma chapa de a\u00e7o de 1 mm dobrada a 90\u00b0 com um raio de 1 mm necessita normalmente de cerca de 1,6 mm de toler\u00e2ncia. Incluir isto no padr\u00e3o plano mant\u00e9m a pe\u00e7a acabada dentro da toler\u00e2ncia.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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No\u00e7\u00f5es b\u00e1sicas de corte<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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O corte \u00e9 o primeiro passo na maioria dos projectos de chapa met\u00e1lica. A qualidade de cada corte afecta a qualidade das dobras, soldaduras ou montagens posteriores da pe\u00e7a. Conhecer os problemas comuns e as regras simples ajuda a tornar as pe\u00e7as exactas e f\u00e1ceis de produzir.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Di\u00e2metro\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Di\u00e2metro do furo<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Os furos devem ter o tamanho e o espa\u00e7amento corretos para evitar danos durante a perfura\u00e7\u00e3o ou o corte a laser. Uma boa regra \u00e9 manter o di\u00e2metro do furo pelo menos igual \u00e0 espessura da chapa. Por exemplo, uma chapa de a\u00e7o de 2 mm deve ter furos n\u00e3o inferiores a 2 mm. Os furos mais pequenos podem rasgar ou distorcer a chapa, enquanto os furos de tamanho correto proporcionam arestas limpas e uma vida \u00fatil mais longa da ferramenta.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Distor\u00e7\u00e3o\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Distor\u00e7\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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O calor e a tens\u00e3o do corte podem provocar deforma\u00e7\u00f5es ou curvaturas, especialmente em chapas finas. O corte a laser pode deixar uma ligeira curvatura em pain\u00e9is grandes com menos de 1,5 mm de espessura. Pode reduzir a distor\u00e7\u00e3o espa\u00e7ando mais os cortes, adicionando separadores de suporte ou utilizando o corte por jato de \u00e1gua quando a planura \u00e9 cr\u00edtica.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Endurecimento\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Endurecimento localizado<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Processos como o corte a laser ou plasma criam zonas de elevado calor ao longo da aresta. Isto pode endurecer materiais como o a\u00e7o-carbono. As arestas endurecidas podem rachar durante a dobragem ou desgastar as ferramentas mais rapidamente. Evite problemas colocando as dobras longe das arestas cortadas ou adicionando um processo secund\u00e1rio, como a retifica\u00e7\u00e3o de arestas, quando necess\u00e1rio.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"corte\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Kerf<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Kerf \u00e9 a largura do material removido pela ferramenta de corte. O corte a laser varia normalmente entre 0,1 e 0,3 mm, dependendo da espessura do material e das defini\u00e7\u00f5es de pot\u00eancia. Ignorar o corte pode tornar os furos subdimensionados ou as ranhuras demasiado apertadas. Incluir o corte no design plano garante que a pe\u00e7a final corresponda \u00e0s dimens\u00f5es pretendidas sem retrabalho.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Erros comuns de conce\u00e7\u00e3o de chapa met\u00e1lica a evitar<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Mesmo os projectistas experientes podem ignorar os principais limites de fabrico. A dete\u00e7\u00e3o precoce destes erros comuns melhora o funcionamento das pe\u00e7as e reduz os custos de produ\u00e7\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"M\u00e1\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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<\/p>

Desenhos demasiado complicados<\/h3>

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A adi\u00e7\u00e3o de carater\u00edsticas desnecess\u00e1rias \u00e9 um erro frequente. Cada dobra extra, recorte personalizado ou forma especial aumenta as necessidades de ferramentas e o tempo de produ\u00e7\u00e3o. Os designs complexos requerem mais configura\u00e7\u00f5es de m\u00e1quinas, aumentam o risco de defeitos e complicam a montagem. Simplifique, removendo elementos n\u00e3o essenciais e combinando pe\u00e7as em componentes \u00fanicos e formados, sempre que poss\u00edvel.<\/p>

<\/p>

M\u00e1 coloca\u00e7\u00e3o de furos e recortes<\/h3>

<\/p>

Os furos ou recortes demasiado pr\u00f3ximos das curvas podem deformar-se durante a conforma\u00e7\u00e3o. Mantenha os orif\u00edcios afastados das linhas de dobragem pelo menos tr\u00eas vezes a espessura do material. Evite agrupar orif\u00edcios em \u00e1reas pequenas, pois isso enfraquece a estrutura e pode provocar rasg\u00f5es. No caso de arm\u00e1rios el\u00e9ctricos, os orif\u00edcios devem ser feitos cuidadosamente para manter a resist\u00eancia do painel.<\/p>

<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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<\/p>

Toler\u00e2ncias n\u00e3o consideradas<\/h3>

<\/p>

As toler\u00e2ncias apertadas aumentam os custos. Reservar as toler\u00e2ncias de \u00b10,005\u2033 apenas para as carater\u00edsticas de acoplamento cr\u00edticas. Utilizar toler\u00e2ncias padr\u00e3o de \u00b10,030\u2033 para as outras dimens\u00f5es. Assinalar claramente quais as dimens\u00f5es que s\u00e3o cruciais e quais as toler\u00e2ncias que podem ser flexibilizadas. N\u00e3o esquecer que as chapas met\u00e1licas variam naturalmente devido \u00e0 mem\u00f3ria do material e ao retorno el\u00e1stico.<\/p>

<\/p>

Sele\u00e7\u00e3o incorrecta do material<\/h3>

<\/p>

A escolha do material incorreto pode causar problemas de produ\u00e7\u00e3o ou falhas nas pe\u00e7as. Evite a\u00e7os endurecidos para pe\u00e7as que necessitem de uma dobragem extensiva. O alum\u00ednio oferece resist\u00eancia \u00e0 corros\u00e3o e \u00e9 mais leve, mas custa mais do que o a\u00e7o. Para pe\u00e7as de exterior, utilize a\u00e7o inoxid\u00e1vel ou material galvanizado. Verifique a disponibilidade do material e os prazos de entrega quando especificar ligas invulgares.<\/p>

<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"pe\u00e7as\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Esquecer\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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<\/p>

Esquecer as considera\u00e7\u00f5es de montagem<\/h3>

<\/p>

Conceber as pe\u00e7as tendo em conta a montagem. Prever espa\u00e7o suficiente para pistolas de soldar e ferramentas de rebitar. Incluir carater\u00edsticas de alinhamento como entalhes ou separadores para facilitar o posicionamento. Assegurar o acesso manual para as opera\u00e7\u00f5es de montagem. As carater\u00edsticas de auto-localiza\u00e7\u00e3o podem reduzir a necessidade de fixa\u00e7\u00f5es complexas e acelerar a montagem.<\/p>

<\/p>

Negligenciar os requisitos de acabamento<\/h3>

<\/p>

Os acabamentos afectam tanto o design como a fun\u00e7\u00e3o. Especifique antecipadamente os requisitos de acabamento. Quebre as arestas afiadas para ajudar os revestimentos a aderir. Para o revestimento a p\u00f3, evite \u00e1reas onde os efeitos da gaiola de Faraday impe\u00e7am a tinta de chegar aos cantos. Para a galvaniza\u00e7\u00e3o, evite desenhos que prendam os produtos qu\u00edmicos. Os diferentes acabamentos podem necessitar de pr\u00e9-tratamento, o que pode afetar as dimens\u00f5es.<\/p>

<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Come\u00e7ar a trabalhar<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A conce\u00e7\u00e3o de uma pe\u00e7a \u00e9 apenas o primeiro passo. O verdadeiro valor surge quando o seu conceito de chapa met\u00e1lica \u00e9 fabricado com precis\u00e3o e efici\u00eancia. Seguindo regras de design simples e escolhendo os materiais certos, torna o fabrico mais f\u00e1cil e mais previs\u00edvel. Planeie dobras, furos e carater\u00edsticas tendo em mente a produ\u00e7\u00e3o real para reduzir erros e desperd\u00edcios.<\/p>

Pronto para transformar o seu desenho numa pe\u00e7a de chapa met\u00e1lica de alta qualidade? Contacte-nos hoje para obter um or\u00e7amento r\u00e1pido e orienta\u00e7\u00e3o especializada para o seu projeto.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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F\u00e1brica de fabrica\u00e7\u00e3o de chapas met\u00e1licas na China<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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No. 3 Chongming Road, Shichong Industrial Zone,<\/p>

Aldeia de Xiangxi, cidade de Shipai, cidade de Dongguan,<\/p>

Prov\u00edncia de Guangdong 523330, China<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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+86 0769-81150309<\/p>

sales@goodsheetmetal.com<\/p>

shengenfab.com<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Guidelines for Sheet Metal Fabrication Design Making a functional sheet metal part takes careful planning. A well-designed part is strong, looks professional, and can be made without issues. This guide offers simple rules to help you design sheet metal parts that work in real production. Design for Manufacturing (DFM) Principles Good design makes production easier […]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-21639","page","type-page","status-publish","hentry"],"rankMath":{"parentDomain":"shengenfab.com","noFollowDomains":[],"noFollowExcludeDomains":[],"noFollowExternalLinks":false,"featuredImageNotice":"The featured image should be at least 200 by 200 pixels to be picked up by Facebook and other social media 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