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Shape Design of Self-Piercing Rivet for Joining dissimilar Sheet Metals  

Kim, D.B. (충북대학교 대학원 정밀기계공학과)
Kim, K.W. (충북대학교 기계공학부)
Cho, H.Y. (충북대학교 기계공학부)
Publication Information
Journal of the Korean Society of Mechanical Technology / v.14, no.3, 2012 , pp. 93-99 More about this Journal
Abstract
Self-piercing riveting(SPR) is a sheet joining method that can be used for materials which are difficult or unsuitable to weld, such as aluminum alloy and different steel sheet metals. No pre-drilled hole is needed for SPR; the rivets are pushed directly into the sheets clamped together between a blank holder and a die in a press tool. In this paper, self-piercing rivet and anvil were designed for four joining conditions with dissimilar sheet metals. SPR was simulated by using commercial FEM code DEFORM-2D. In simulation of SPR process, various strengths of self-piercing rivet were considered. The mechanical properties could be determined by tensile test for quenched rivets and sheet metals. The designs of rivet and anvil were modified by comparisons of simulated results.
Keywords
SPR; Dissimialr sheet metal; Sheet joining; FEM; FEA;
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