Journal
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
Volume 25, Issue 7-8, Pages 714-722Publisher
SPRINGER LONDON LTD
DOI: 10.1007/s00170-003-1911-8
Keywords
concurrent tolerance design; cost-tolerance function; process planning; quality loss; tolerance optimization
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In a concurrent design environment, a robust optimum method is presented to directly determine the process tolerances from multiple correlated critical tolerances in an assembly. With given distributions of multiple critical assembly dimensions, the Taguchi quadric quality loss function is first derived. The quality loss is then expressed as the function of pertinent process tolerances. A nonlinear optimal model is established to minimize the summation of manufacturing costs and product quality loss. An example illustrates the proposed model and the solution method.
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