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Received: 2002-11-29

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Journal of Zhejiang University SCIENCE A 2004 Vol.5 No.1 P.81~85

http://doi.org/10.1631/jzus.2004.0081


A robust tolerance design method based on process capability


Author(s):  CAO Yan-long, YANG Jiang-xin, WU Zhao-tong, WU Li-qun

Affiliation(s):  Institute of Production Engineering, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   caoyanlongxh@yahoo.com.cn

Key Words:  Tolerance design, Robust design, Process capability


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CAO Yan-long, YANG Jiang-xin, WU Zhao-tong, WU Li-qun. A robust tolerance design method based on process capability[J]. Journal of Zhejiang University Science A, 2004, 5(1): 81~85.

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author="CAO Yan-long, YANG Jiang-xin, WU Zhao-tong, WU Li-qun",
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T1 - A robust tolerance design method based on process capability
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DOI - 10.1631/jzus.2004.0081


Abstract: 
This paper presents a method for robust tolerance design in terms of process capability Indices (PCI). The component tolerance and the suitable manufacturing processes can be selected based on the real manufacturing context. The robustness of design feasibility under the effect of uncertainties is also discussed. A comparison between the results obtained by the proposed model and other methods indicates that robust and reliable tolerance can be obtained.

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Reference

[1] Du, X.P. and Chen, W., 2000. Towards a Better Understanding of Modeling Feasibility Robustness in Engineering Design. J. of Mech. Des., 122:385-394.

[2] He, J.M., 1996. Computer-aided Tolerance Design Based on Fundamental Equation. Hangzhou (Master's dissert), Zhejiang University (in Chinese).

[3] Huang, P.J. and Yang, J.X., 2000. The research of the optimized process tolerance design based on process capacity index. Engineering design, 3:45-47(in Chinese).

[4] Ji, S.P., Sun, X.H. and Ma, Y.L., 1999. A statistic tolerance analyzing method based on manufacturing context. Chinese Mechanical engineering, 10(3):249-252(in Chinese).

[5] Lee, Y.H., Wei, C.C. and Chang, C., 1999. Fuzzy design of process tolerances to maximize process capability. Int. J. Adv. Manuf. Technol, 15:655-659.

[6] Lee, Y.C. and, Wei, C.C., 1998. Process Capability-Based Tolerance Design to Minimize Manufacturing Loss. Int. J. Adv. Manuf. Technol.,14:33-37.

[7] Li, W., BAI, G. and Zhang,C., 2000. Optimization of machining datum selection and machining tolerance allocation with genetic algorithms. Int. J. Prod. Res., 38(6):1407-1424.

[8] Wu, Z.T. and Yang, J.X., 1999. Computer Aided Tolerance Design. Zhejiang University Press, Hangzhou(in Chinese).

[9] Zhang, G., 1996. Simultaneous Tolerancing for design and manufacturing. Int. J. Prod. Res., 34(12):3361-3382.

[10] Zhang, Y., 1999. Predict and assure the matchable degree in selective assembly via PCI-based tolerance. J. of Manu. Sci. and Eng., 121:494-500.

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