Winning customer loyalty in an automotive company through Six Sigma: a case study

Jiju Antony

Research output: Contribution to journalArticle

50 Citations (Scopus)
106 Downloads (Pure)

Abstract

Six Sigma is a disciplined approach to improving product, process and service quality. Since its inception at Motorola in the mid 1980s Six Sigma has evolved significantly and continues to expand to improve process performance, enhance business profitability and increase customer satisfaction. This paper presents an extensive literature review based on the experiences of both academics and practitioners on Six Sigma, followed by the application of the Define, Measure, Analyse, Improve, Control (DMAIC) problem-solving methodology to identify the parameters causing casting defects and to control these parameters. The results of the study are based on the application of tools and techniques in the DMAIC methodology, i.e. Pareto Analysis, Measurement System Analysis, Regression Analysis and Design of Experiment. The results of the study show that the application of the Six Sigma methodology reduced casting defects and increased the process capability of the process from 0.49 to 1.28. The application of DMAIC has resulted in a significant financial impact (over U.S. $110 000 per annum) on the bottom-line of the company.
Original languageEnglish
Pages (from-to)849-866
Number of pages18
JournalQuality and Reliability Engineering International
Volume23
Issue number7
DOIs
Publication statusPublished - 2007

Keywords

  • Six Sigma
  • case study
  • automobile industry

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