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Otimização de uma linha de extrusão através da aplicação do Single Minute Exchange of Die (SMED)
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| Documento em Acesso Embargado até dia 13-10-2028. Tente solicitar cópia ao autor carregando no ficheiro | 1.93 MB | Adobe PDF |
Autores
Orientador(es)
Resumo(s)
A instabilidade dos mercados atuais, exige que cada vez mais, as empresas, encontrem
estratégias que permitam uma maior flexibilidade e eficiência dos seus processos sem que
a qualidade do produto, seja afetada.
Este estudo aborda a aplicação da metodologia Single Minute Exchange of Die (SMED)
numa linha de extrusão da empresa COFICAB, sendo o principal objetivo a redução dos
tempos de setup e consequentemente aumentar a flexibilidade produtiva dessa linha. O
trabalho insere-se no contexto da filosofia Lean Manufacturing, centrada na eliminação
de desperdícios e na melhoria contínua. Sendo a COFICAB um grupo que trabalha
maioritariamente com o setor automóvel, muitas das ferramentas associadas à filosofia
Lean, já se encontravam implementadas, o que facilitou todo o processo de
implementação do SMED.
A investigação foi conduzida através da observação direta no chão de fábrica, análise de
dados quantitativos e qualitativos obtidos através de vídeos, fotos e conversas informais
com operadores da linha, chefes de equipa e verificadores de qualidade. Após o
diagnóstico inicial, foram implementadas medidas de reorganização do posto de trabalho
segundo os princípios do 5S, reavaliação e simplificação das tarefas de setup. Os
resultados mostram uma redução de tempo a rondar os 26 minutos, o que se traduz numa
redução de 18,95% do valor inicial do setup mais demorado da empresa. Além disso é
possível notar melhorias significativas na organização da linha, comprovando o impacto
positivo da abordagem Lean no aumento da eficiência e flexibilidade da linha. Apesar de
terem aparecido algumas limitações ao longo do estudo, este demonstra a viabilidade da
aplicação do SMED em ambientes industriais.
The instability of today’s markets increasingly requires companies to develop strategies that enable greater flexibility and efficiency in their processes without compromising product quality. This study addresses the application of the Single Minute Exchange of Die (SMED) methodology on an extrusion line at the company COFICAB, with the main objective of reducing setup times and consequently increasing production flexibility. The work is framed within the context of Lean Manufacturing philosophy, focused on waste elimination and continuous improvement. Given that COFICAB operates predominantly within the automotive sector, many of the tools associated with the Lean philosophy had already been implemented, which eased the overall process of SMED implementation. The research was conducted through direct observation on the shop floor, analysis of quantitative and qualitative data obtained from videos and photographs, and interviews with line operators, team leaders, and quality inspectors. After the initial diagnosis, workplace reorganization measures were implemented based on the 5S principles, along with the reassessment and simplification of setup tasks. The results indicate a time reduction of approximately 26 minutes, corresponding to an 18.95% decrease relative to the initial value of the company’s longest setup time. Furthermore, significant improvements in line organization can be observed, demonstrating the positive impact of the Lean approach on enhancing the efficiency and flexibility of the production line. Despite some limitations encountered during the study, it demonstrates the feasibility of applying SMED in industrial environments.
The instability of today’s markets increasingly requires companies to develop strategies that enable greater flexibility and efficiency in their processes without compromising product quality. This study addresses the application of the Single Minute Exchange of Die (SMED) methodology on an extrusion line at the company COFICAB, with the main objective of reducing setup times and consequently increasing production flexibility. The work is framed within the context of Lean Manufacturing philosophy, focused on waste elimination and continuous improvement. Given that COFICAB operates predominantly within the automotive sector, many of the tools associated with the Lean philosophy had already been implemented, which eased the overall process of SMED implementation. The research was conducted through direct observation on the shop floor, analysis of quantitative and qualitative data obtained from videos and photographs, and interviews with line operators, team leaders, and quality inspectors. After the initial diagnosis, workplace reorganization measures were implemented based on the 5S principles, along with the reassessment and simplification of setup tasks. The results indicate a time reduction of approximately 26 minutes, corresponding to an 18.95% decrease relative to the initial value of the company’s longest setup time. Furthermore, significant improvements in line organization can be observed, demonstrating the positive impact of the Lean approach on enhancing the efficiency and flexibility of the production line. Despite some limitations encountered during the study, it demonstrates the feasibility of applying SMED in industrial environments.
Descrição
Palavras-chave
5s Implementação Lean Lean Management Melhoria Contínua Smed