Title

Simultaneous Tolerance Synthesis for Manufacturing and Quality

Document Type

Article

Publication Date

2003

Abstract

Tolerance allocation a ects product design, manufacturing, and quality. No existing technique has b een found by the authors that takes product design, manufacturing, and quality into account simultaneously. This paper introduces a new concurrent engineering method for tolerance allocation. A nonlinear optimization model has been constructed to implement the method. The model minimizes the combination of quality loss and manufacturing cost simultaneously in a single objective function by setting both process tolerances and design tolerances simultaneously. The purpose of the model is to balance manufacturing cost and quality loss to achieve near-optimal design and process tolerances simultaneously for minimum combined manufacturing cost and quality loss over the life of the product. Compared to other models, this model shows signi cant improvements.


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