Aplicação do Método DMAIC e ferramentas do Lean Six Sigma para redução do custo de estoque em uma empresa de materiais de acabamentos

Abstract

This work shows the reduction of inventory costs in a construction finishing materials company, adopting the Lean Six Sigma philosophy, its application and results obtained. The main objective is to identify the root causes for the high cost of the current inventory in the company, by applying the steps Define, Measure, Analyze, Improve and Control of the method DMAIC, seeking to know and understand, more deeply, what tools can be applied to solve this problem. The Six Sigma philosophy focuses on process improvement and Lean on waste reduction, making their integration effective. An action research was carried out elaborating the action plan of the DMAIC method and the application of the lean six sigma tools in the company. In the results obtained, the root causes to be attacked for the solution of the selected problem, how these causes were attacked and an analysis of the results after finalizing the phases of the DMAIC in the company. With the application of DMAIC and Lean Six Sigma tools it was possible to reduce inventory costs by 32% over the three month period, evidencing the effectiveness of the integration between Lean Thinking and Six Sigma in other sectors besides manufacturing.