Title: Contribution of lean and Six Sigma to effective cost of quality management

Authors: S.M. Mehdi Jourabchi; Tina Arabian; Z. Leman; Md. Yusof B. Ismail

Addresses: Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia ' Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia ' Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia ' Faculty of Manufacturing Engineering, Universiti Malaysia Perlis (UniMAP), 01000 Kangar, Perlis, Malaysia

Abstract: In today's competitive market, most of the organisations promote quality as a critical success factor to achieve sustainable competitive advantages when the high quality of delivered product and service is considered extensively by the customers as a vital factor besides a reasonable price. Hence, most organisations would invest a lot of money to achieve the desired quality, at the same time, set a competitive price. Although, various quality improvement models, methods and tools can be applied to determine the most effective areas and the level of investment needed to measure, control and manage the cost of quality (COQ). This paper tries to present and summarise COQ models to identify COQ elements by emphasising the optimal quality cost model to see how lean and six sigma approaches can contribute to achieve further improvement in terms of reducing waste, time, defects and variation while targeting and obtaining the minimum total quality costs.

Keywords: cost of quality; CoQ; optimal cost; prevention appraisal failure costs; six sigma; lean thinking; quality management.

DOI: 10.1504/IJPQM.2014.064473

International Journal of Productivity and Quality Management, 2014 Vol.14 No.2, pp.149 - 165

Received: 08 May 2021
Accepted: 12 May 2021

Published online: 26 Aug 2014 *

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