On the optimal selection of process alternatives in a Six Sigma implementation

On the optimal selection of process alternatives in a Six Sigma implementation

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Article ID: iaor2009179
Country: Netherlands
Volume: 111
Issue: 2
Start Page Number: 456
End Page Number: 467
Publication Date: Jan 2008
Journal: International Journal of Production Economics
Authors: , , ,
Keywords: programming: mathematical
Abstract:

Six Sigma is at the top of the agenda for many companies that try to reduce cost and improve productivity. Many of the top manufacturing companies implement thousands of Six Sigma projects every year and this implementation demands a significant investment of capital that requires a careful analysis to make sure that the benefits obtained are much higher than the actual investment. This cost–benefit analysis is crucial, especially for companies whose products have a small profit margin. In this paper, two optimization models that will assist management to choose process improvement opportunities are presented. These models consider a multi-stage, asynchronous manufacturing process with the opportunity to improve quality (scrap and rework rates) at each of the stages.

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