Aplicação da metodologia DMAIC para a redução de custos com óleo lubrificante em uma empresa do ramo frigorífico

Abstract

Over the years, companies’ concern to produce products that meet an increasingly demanding market makes them develop and apply quality engineering tools, simplify the quality of their products, reduce costs, optimize and mitigate failures processes. In this scenario, the objective of this work is to use the Six Sigma model applying the DMAIC problem solving method in order to improve the lubrication process of a company in the meatpacking industry. The problem to be solved is the high expenses with lubricating oil, which generate high maintenance costs. For the execution of the DMAIC method, quality tools are used, such as a SIPOC matrix, the Ishikawa diagram and the five "whys"method. The root cause of the problem is identified as the use of lubricating oil of the mineral type, which has a short service life, requiring short change intervals, every 250 hours. Therefore, for the identified root cause, the use of synthetic oil Mobil Rarus 827 with longer service life, 2000 hours, is defined as action. Applying the solution, there is an 80% cost reduction with lubricating oil. Finally, this work allows the understanding and application of the DMAIC method for process improvement.