The effect of inspection error on quality and producer losses: the case of nominal-the-best type quality characteristic and rework Online publication date: Fri, 28-Feb-2014
by Gülser Köksal; Aysun Taşeli; Leman Esra Dolgun; İnci Batmaz
European J. of Industrial Engineering (EJIE), Vol. 7, No. 4, 2013
Abstract: In this study, the effect of inspection error (IE) on quality and producer losses is investigated for a nominal-the-best type quality characteristic determined by a manufacturing process centre with a separate rework unit. The probability distribution and the first two moments of the resulting quality characteristic values are derived and used together with Markov chain models and simulation to study the quality and producer losses and the related statistics for various processes and gauge capability levels. The results of this study confirm with strong theoretical and empirical evidence that an effective way of achieving robustness to IE is to improve the process capability. This study provides benchmarks that support understanding and decision making of quality professionals. [Received 11 November 2010; Revised 3 June 2011; Revised 6 December 2011; Accepted 18 December 2011]
Online publication date: Fri, 28-Feb-2014
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