Aplicação do método CCQ e suas ferramentas na manutenção dos alimentadores de sapatas: estudo de caso na VALE S.A

Abstract

The quest for quality and excellence in production has been a differential of organizations in any field, to survive an increasingly competitive market. The methodologies that guide the premise of quality, allow in addition to gaining productivity, better working conditions, through the implementation of improvements. The Quality Control Circle has been an increasingly widespread methodology among organizations, as a method to ensure the involvement of employees in the search for continuous improvement through the application of tools such as the PDCA. In this context, the present work seeks to analyze the efficiency and effectiveness of the application of the QC Circle in a mining company, through the solution of problems raised in the preventive maintenance in shoe feeders. In order to do this, a theoretical framework for basing and correct application of quality tools, such as: Brainstorming, Prioritization Matrix, Action Plan, Ishikawa Diagram and 5 whys, is used to give consistency to the application of the method. Thus, when evaluating the method applied by the maintenance team, one can perceive too many working conditions with intense physical effort and, consequently, exposure to risks and loss of productivity. In the end, the application of the study contributed positively to the maintenance, eliminating excessive efforts, increasing employee satisfaction and gaining productivity, reaching the initial goal of the group