O CONTROLE ESTATÍSTICO DE PROCESSOS NO MONITORAMENTO DA FABRICAÇÃO EM UMA EMPRESA NO RAMO COLCHOEIRO

Abstract

This paper describes the applicability of statistical process control tools in a specific situation, justified by the concern to reduce the nonconforming items produced. In the face of fierce competition and sales recession, it is of fundamental importance for organizations to maintain continuous improvement to reduce the variability of their processes. The objective of this work is to analyze the variability of the production process of a spring mattress through the capability indices and control charts of company X. This purpose was achieved through a bibliographic review with searches in scientific articles, books and specialized journals on relevant subjects. research, such as total product quality management and statistical process control, followed by a case study. This was developed from data collection through on-site visits and selection of weekly samples to verify the compliance of mattress dimensions. Subsequently, the data were entered in the Minitab 18.0 program for analysis and interpretation of the variations found in the chosen product. Thus, it was possible to work with some of the main statistical control techniques in order to reduce them. The theoretical basis, the compilation and analysis of the developed graphs, allowed the authors to analyze that, although some nonconforming items were found, the process was generally controlled and capable, that is, within the specifications required by the company manufacturer.