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Taguchi on Robust Technology Development: Bringing Quality Engineering Upstream

Genichi Taguchi
Genichi Taguchi
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ASME Press
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Quality engineering is very much related to the quality loss function described in Chapter 2. However, in actual negotiations between vendors or between design and manufacturing engineers or in the quality management of components or products, the tolerances of components or products are specified more often than the quality loss function. This chapter explains how to specify tolerances for components and products at the design stage.

3.1 Objective
3.2 Methods for Deciding Economical Safety Factors
3.3 Loss Function and Economical Safety Factors
3.4 Nominal-Is-Best Type Problems
3.5 Tolerance Specifications for Smaller-Is-Better and Larger-Is-Better Type Problems
3.6 Methods for Specifying the Tolerances of Lower-Level Objective Characteristics (Upstream Characteristics)
3.7 Misconceptions about Tolerance Specifications
3.8 Initial Characteristics and Deteriorative Characteristics
Discussion: About the Problems of Tolerance Specifications
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