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Concurrent process tolerance design based on minimum product manufacturing cost and quality loss |
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| Authors: | MF Huang YR Zhong ZG Xu |
| Affiliation: | (1) Department of Electronic Machinery and Transportation Engineering, Guilin University of Electronic Technology, Guilin, 541004, P.R. China;(2) Department of Computer Science, Guilin University of Electronic Technology, Guilin, 541004, P.R. China;(3) School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P.R. China |
| Abstract: | 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 . |
| Keywords: | Concurrent tolerance design Cost-tolerance function Process planning Quality loss Tolerance optimization |
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