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Advisor(s)
Abstract(s)
A automatização de processos industriais é frequentemente utilizada no setor industrial, dado que a competitividade do mercado neste sector, tem aumentado significativamente nos últimos anos e existe uma necessidade de aumento de eficiência. Esta solução de melhoria de processos industriais permite transformar as tarefas que são realizadas por operadores humanos num conjunto de elementos tecnológicos de forma a aumentar a eficiência operacional de uma unidade fabril e reduzir a mão-de-obra, o que, consequentemente, reduz o custo de operação. A presente dissertação foi realizada em contexto industrial na empresa WEGeuro – Indústria Eléctrica, S.A., na secção de Processos Industriais e Melhoria Contínua (PIMC) de Santo Tirso, Portugal. O objetivo deste trabalho foi estudar e propor uma solução de automação que permitisse melhorar o processo de pintura dos motores elétricos de modo a diminuir e/ou eliminar os problemas associados ao mesmo. Neste sentido, com a aplicação dos princípios considerados na filosofia de gestão Lean e outras ferramentas de análise como Overall Equipment Effectiveness (OEE), diagrama de Pareto e diagrama de Ishikawa, foi estudado e analisado o processo de pintura atual e foi proposta uma solução de melhoria. Esta solução passa pela utilização de um robô industrial equipado com todo o equipamento necessário ao processo de pintura e pela definição das especificações inerentes ao dimensionamento da solução. Estima-se que a proposta de solução apresentada permita a redução de 50% do tempo médio da operação de pintura, garantindo a redução do desperdício, aumentando a produtividade, a qualidade e o desempenho operacional, bem como uma melhoria na utilização do recurso da mão-de-obra humano em operações de maior valor acrescentado. Prevê-se um aumento do indicador OEE para 77,29%, uma poupança anual em mão-de-obra de 20 726,25 € e um período de recuperação do investimento de 5 anos.
The automation of industrial processes is often used in the industrial sector since the competitiveness of the market in this sector has increased significantly in recent years and there is a greater need for efficiency increase. This solution of industrial process improvement allows the transformation of tasks that are carried out by human operators in a set of technological elements in order to increase the operational efficiency of a manufacturing unit and reduce the workforce that, consequently, it reduces the cost of operation. This dissertation was carried out in an industrial context, at the WEGeuro – Indústria Eléctrica, S.A. company, located in Santo Tirso, Portugal, in the Processos Industriais e Melhoria Contínua (PIMC) division. The aim of this work was to study and propose an automation solution that would improve the electric motors painting process, in order to decrease and/or eliminate the problems associated with it. In this sense, with the application of the principles considered in Lean management philosophy and other analytical tools such as Overall Equipment Effectiveness (OEE), Pareto diagram and Ishikawa diagram, the current painting process was studied and analysed, and an improvement solution was proposed. This solution encompasses the use of an industrial robot equipped with all the necessary equipment to the painting process and by the definition of the specifications inherent to the sizing of the solution. It is estimated that the proposed solution allows a reduction of 50% of the average paint operation time, guaranteeing the reduction of waste, increasing productivity, quality and operational performance, as well as the improvement of the use of human labour in operations with higher added value. The OEE indicator is projected to increase to 77.29%, an annual labour savings of €20,726.25 and a five-year investment recovery period.
The automation of industrial processes is often used in the industrial sector since the competitiveness of the market in this sector has increased significantly in recent years and there is a greater need for efficiency increase. This solution of industrial process improvement allows the transformation of tasks that are carried out by human operators in a set of technological elements in order to increase the operational efficiency of a manufacturing unit and reduce the workforce that, consequently, it reduces the cost of operation. This dissertation was carried out in an industrial context, at the WEGeuro – Indústria Eléctrica, S.A. company, located in Santo Tirso, Portugal, in the Processos Industriais e Melhoria Contínua (PIMC) division. The aim of this work was to study and propose an automation solution that would improve the electric motors painting process, in order to decrease and/or eliminate the problems associated with it. In this sense, with the application of the principles considered in Lean management philosophy and other analytical tools such as Overall Equipment Effectiveness (OEE), Pareto diagram and Ishikawa diagram, the current painting process was studied and analysed, and an improvement solution was proposed. This solution encompasses the use of an industrial robot equipped with all the necessary equipment to the painting process and by the definition of the specifications inherent to the sizing of the solution. It is estimated that the proposed solution allows a reduction of 50% of the average paint operation time, guaranteeing the reduction of waste, increasing productivity, quality and operational performance, as well as the improvement of the use of human labour in operations with higher added value. The OEE indicator is projected to increase to 77.29%, an annual labour savings of €20,726.25 and a five-year investment recovery period.
Description
Keywords
Automação Lean OEE Robôs Industriais Produtividade Qualidade Automation Industrial Robots Productivity Quality