APPLICATION OF THE GROSS ERROR ANALYSIS TO DISORDERS IDENTIFICATION IN MANUFACTURING PROCESS—A CASE STUDY

  • Izabela Dagmara Czabak-Górska Faculty of Production and Logistics Engineering, Department of Production and Services Quality Engineering, Opole University of Technology
  • Aneta Kucińska-Landwójtowicz Faculty of Production and Logistics Engineering, Department of Production and Services Quality Engineering, Opole University of Technology
DOI: https://doi.org/10.12955/cbup.v3.597
Keywords: stability of the process, Individuals Control Chart (IX), Moving Range Control Chart (MR), elimination of Gross Error, Statistical Process Control (SPC)

Abstract

The article contains a description of the procedures to be followed in the analysis of the stability of the manufacturing processes based on an Individual Control Chart (XI) and a Moving Range (MR) Control Chart. In the following part of the article, we present the three-sigma rule and the confidence intervals for the average, which enable the elimination of random errors caused by, e.g. an improper conducting of a measurement.

Summary of the theoretical considerations is a study case in which survey data from a company, producing car seat frames, are used. The conducted study indicates that the elimination of Gross Error is significant to identify and eliminate the variability of production processes.

References

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Published
2015-09-19
Issue
Vol 3 (2015): CBU International Conference Proceedings 2015
Section
Economics and Business
Copyright (c) 2015 Izabela Dagmara Czabak-Górska, Aneta Kucińska-Landwójtowicz

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