AVANÇOS NO DESENVOLVIMENTO DE UM SISTEMA DE FABRICAÇÃO DE ADITIVOS COM BASE NO STEP-NC
DOI:
https://doi.org/10.32358/rpd.2018.v4.310Palavras-chave:
manufatura aditiva, STEP-NC, cadeia digital, interoperabilidade, indústria 4.0Resumo
O novo padrão de controle numérico, conhecido como STEP-NC, é categorizado como o futuro dos sistemas avançados de manufatura. Maior flexibilidade e interoperabilidade são alguns dos benefícios potenciais oferecidos pelo STEP-NC para enfrentar os desafios do novo cenário industrial que é previsto com o advento da Indústria 4.0. Enquanto isso, a programação orientada a objetos do STEP-NC foi parcialmente aplicada e desenvolvida até agora para processos de usinagem (fresagem, torneamento ...). Mas com os processos de fabricação aditiva não aconteceu o mesmo e o desenvolvimento ainda é incipiente. Este artigo apresenta os avanços no desenvolvimento de um novo sistema de manufatura aditiva baseado no STEP-NC, focando particularmente no desenvolvimento do modelo de informação. O modelo de atividades de aplicação na nomenclatura do IDEF0 e o modelo de referência do aplicativo no EXPRESS são apresentados. O conceito de recurso de camada AM foi introduzido para definir o recurso de fabricação de processos aditivos com base na deposição de material por camada. Finalmente, é apresentado um programa STEP-NC gerado a partir do modelo EXPRESS, que pode ser implementado em um sistema de manufatura aditiva para validar o modelo proposto.Downloads
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