Proposta de pré-implementação do controle estatístico de processos em uma indústria flexográfica de pequeno porte na região dos Campos Gerais - PR

Abstract

One of the ways to improve the quality of a product is by reducing the variability of the process. In this study, it is used a tool that has this purpose: the statistical process control (SPC), so the focus is on a change from reactive to proactive vision, with the goal of executing a pre-implementation of SPC in a small flexography company in Campos Gerais-PR. Starting by a bibliographic study, the project introduces the basic concepts of the SPC tools and the operational steps model proposed by Montgomery for the implementation of this tool. The project also describes the productive process that is analyzed by using a SIPOC and process mapping. After that, some basic quality tools were applied: check sheet, stratification, pareto chart, and Ishikawa diagram. Furthermore, brainstorming and 5W2H were used to complement the analysis. The measurement of success in quantitative terms occurred by comparing the percentages of linear meters of non-conforming labels obtained in the three months before application, which were: 3.5%, 11.6% and 7.1% with the percentages obtained in the three months after application (July - 5.9%, August - 6.9% and September 6.2%) and it was verified that the percentage of linear meters wasted in the period studied increased from July to August by 1% and decreased from August for September by 0.7%, generating an inconclusive result. After performing the analysis, it was possible to verify the effectiveness of the application of the pre-implementation of the CEP in a small flexographic company following the steps based on the Montgomery’s book (2004).