上海交通大学学报(英文版) ›› 2014, Vol. 19 ›› Issue (3): 308-312.doi: 10.1007/s12204-014-1504-8
HAN Shan-ling*(韩善灵), LI Zhi-yong (李志勇), GAO Yuan (高远), ZENG Qing-liang (曾庆良)
HAN Shan-ling* (韩善灵), LI Zhi-yong (李志勇), GAO Yuan (高远), ZENG Qing-liang (曾庆良)
摘要: The concave die design of self-pierce riveting (SPR) is of critical importance for product quality. The optimization of concave die parameters based on orthogonal test is proposed to explore the relationship between self-pierce riveted joint quality and die parameters. There are nine independent die parameter factors in orthogonal test and each factor has 4 levels. In order to evaluate the interlock and neck thickness, we carry out numerical simulations by the software DEFORM-2D. Then, the primary and secondary factors that affect the joint quality have been found out by means of range analysis. Finally, an optimization scheme is brought forward to design concave die in SPR process, which indicates that the joint has higher quality than that of former orthogonal tests. This work can be extended by a detailed mechanical and fatigue analysis for the joint quality of SPR process.
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