Goal setting with Six Sigma mean shift determination

Goal setting with Six Sigma mean shift determination A comprehensive approach to quality goal setting is presented that is consistent with Motorola's six‐sigma metric development. In particular, process mean shifts are determined and incorporated into the goal setting process. Methodology includes basic probability theory, statistical control charts, and capability indices. Data for an aircraft part consisting of hundreds of laser‐drilled holes are used to illustrate the procedures. As a result of applying the methods, quality goals are customized based on the number of opportunities for defect, the target end‐product quality level, and the mean shift shown to exist for the processes involved in the product's manufacture. The methods described overcome the mistakes implicit in blindly conforming to the standard six‐sigma goal of 3.4 defects per million. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

Goal setting with Six Sigma mean shift determination

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Publisher
Emerald Publishing
Copyright
Copyright © 2004 Emerald Group Publishing Limited. All rights reserved.
ISSN
0002-2667
DOI
10.1108/00022660410565490
Publisher site
See Article on Publisher Site

Abstract

A comprehensive approach to quality goal setting is presented that is consistent with Motorola's six‐sigma metric development. In particular, process mean shifts are determined and incorporated into the goal setting process. Methodology includes basic probability theory, statistical control charts, and capability indices. Data for an aircraft part consisting of hundreds of laser‐drilled holes are used to illustrate the procedures. As a result of applying the methods, quality goals are customized based on the number of opportunities for defect, the target end‐product quality level, and the mean shift shown to exist for the processes involved in the product's manufacture. The methods described overcome the mistakes implicit in blindly conforming to the standard six‐sigma goal of 3.4 defects per million.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Dec 1, 2004

Keywords: Quality programmes; Statistical process control; Manufacturing industries

References

  • Process shift modes
    Wu, Z.

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