Aplicação de ferramentas da gestão da qualidade para redução de scrap em uma indústria de caixa eletrônico no Polo Industrial de Manaus

Abstract

Due to the globalization that has increased the competitiveness among markets, companies have sought to improve their production processes to reduce waste and production costs. To optimize the processes, the industry has invested in the implementation of advanced technologies and has also sought to apply different quality tools, ranging from traditional tools to more modern methods. Quality tools are means that facilitate the resolution of problems that can interfere with the good performance of a process, product, or service. They enable continuous process improvement and allow organizations to take appropriate action to avoid recurrence of the problem. In addition, applying quality tools to reduce process scrap can bring medium- and long-term benefits to companies, which will reflect in customer satisfaction, and cost reduction due to the rejection of non-conforming materials. The objective of this work was to reduce scrap of financial resources and time through the introduction of robust quality tools applied to the production process in the ATM industry. The research methodology used was the case study, applied in a company in the Industrial Pole of Manaus. The methodological proposals, conceptualization, and the main quality tools used in the industry were presented. The results were analyzed through the use of the following quality tools: Pareto Diagram, Trend Graph, Brainstorming, 5-Why Analysis and 5W2H. The results found point out that the quality tools are effective for the identification of causes and solution of problems related to rejection of materials. The Pareto diagram evidenced that the card reader was the main cause of rejection, and together with 7 other items represented 78% of the rejection costs of 2018 and 2019. Finally, with the application of the 5W2H tool it was possible to implement action plans to solve the problems identified, which generated a significant reduction of 95% of the 2020 rejection costs.