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A necessidade contínua de maximização da produtividade, em todos os setores ligados à indústria automóvel, leva à otimização e modernização de equipamentos e processos de fabrico. Consequentemente, é possível garantir um aumento da qualidade do produto final e uma maior eficiência durante a sua fabricação. Neste trabalho, realizado numa empresa ligada à produção de pneus para a indústria automóvel, é posta em prática essa premissa sendo proposta a melhoria de uma máquina de corte metálico. Foram detetados vários problemas, quer no produto final quer no processo de fabrico. O produto, chamado de reforço metálico, encontra-se maioritariamente fora dos limites do especificado, apresentando defeitos como variações de largura ou demasiada tensão. A máquina também necessita de uma intervenção, de modo a assegurar o corte mais eficaz e preciso. É necessário modernizar o sistema, introduzir novos elementos mecânicos e utilizar as ferramentas do Lean Manufacturing para perceber e atestar a sua melhoria. Com o objetivo de obter reforço metálico de qualidade e de forma rápida e contínua, o trabalho desenvolvido debruça-se sobre o estudo e desenvolvimento de um novo processo de corte, com tempos de setup bastante mais reduzidos, maior eficiência e menor scrap produzido. Foi também desenvolvido um projeto extra para melhorar o armazenamento do material no final do processo e outro para melhorar a organização do local de trabalho. Em suma, com este projeto, foi possível transformar uma máquina antiga e com um processo de fabrico obsoleto, num equipamento fiável com maiores capacidades de produção e, com um produto final de maior qualidade e menos desperdício.
The continuing need for productivity maximization in all sectors related to the automotive industry leads to the optimization and modernization of equipment and manufacturing processes. Consequently, it is possible to guarantee an increase in the quality of the final product and a greater efficiency during its manufacture. In this work, made in a company related to the production of tires for the automotive industry, this premise is put into practice, and the improvement of a metal cutting machine is proposed. Several problems were detected both in the final product and in the manufacturing process. The product, called metallic reinforcement, is mostly outside the specified limits, presenting defects such as width variations or too much tension. The machine also needs intervention to ensure the most effective and accurate cutting. It is necessary to modernize the system, introduce new mechanical elements and use Lean Manufacturing tools to understand and attest to their improvement. Aiming at obtaining fast and continuous quality metallic reinforcement, the work developed focuses on the study and development of a new cutting process, with much shorter setup times, higher efficiency and less scrap produced. An extra project was also developed to improve material storage at the end of the process and another to improve workplace organization. In short, with this project, it was possible to transform an old machine with an obsolete manufacturing process, into a reliable equipment with greater production capacities and, with a final product of higher quality and less scrap.
The continuing need for productivity maximization in all sectors related to the automotive industry leads to the optimization and modernization of equipment and manufacturing processes. Consequently, it is possible to guarantee an increase in the quality of the final product and a greater efficiency during its manufacture. In this work, made in a company related to the production of tires for the automotive industry, this premise is put into practice, and the improvement of a metal cutting machine is proposed. Several problems were detected both in the final product and in the manufacturing process. The product, called metallic reinforcement, is mostly outside the specified limits, presenting defects such as width variations or too much tension. The machine also needs intervention to ensure the most effective and accurate cutting. It is necessary to modernize the system, introduce new mechanical elements and use Lean Manufacturing tools to understand and attest to their improvement. Aiming at obtaining fast and continuous quality metallic reinforcement, the work developed focuses on the study and development of a new cutting process, with much shorter setup times, higher efficiency and less scrap produced. An extra project was also developed to improve material storage at the end of the process and another to improve workplace organization. In short, with this project, it was possible to transform an old machine with an obsolete manufacturing process, into a reliable equipment with greater production capacities and, with a final product of higher quality and less scrap.
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Indústria Automóvel Melhoria de Equipamento Reforço Metálico Para Pneus Corte Metálico do Reforço Scrap Qualidade Lean Manufacturing Automotive Industry Equipment Improvement Tire Reinforcement Reinforcement Cutting Quality