Numerical Simulation and Experimental Study on Self-piercing Riveting of DC03/6016 Dissimilar Sheets

2020 3rd International Conference on Electron Device and Mechanical Engineering (ICEDME) Pub Date : 2020-05-01 DOI:10.1109/ICEDME50972.2020.00111

Xiaoli Wang, Ruixin Mu, Caihong Wang

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引用次数: 2

Abstract

The self-piercing riveting process of 6016 aluminum alloy with 1 mm thickness and DC03 structural steel with 1.5 mm thickness was studied, the process of self-piercing riveting of dissimilar materials between 6016 aluminum alloy and DC03 steel plate is simulated based on DEFORM-2D, and the riveting experiments of plates at different placement sequence are carried out by using flat bottom die. The results show that when 6016 aluminum alloy sheet is placed in the upper layer, the forming quality of self-piercing riveting is better. The experimental values of undercut, head height and residual thickness are 0.585 mm, 0.069 mm and 0.212 mm respectively. The relative errors between experimental values and simulation values are 3.62%, 7.81% and 2.42% respectively, and the correctness of the finite element simulation is verified. In addition, the relationship between undercut and die parameters of self-piercing riveting for steel-aluminum dissimilar materials is analyzed, and it is found that undercut increases with the increase of die width, while it decreases with the increase of die depth.

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DC03/6016异种板材自穿孔铆接数值模拟与试验研究

研究了厚度为1 mm的6016铝合金与厚度为1.5 mm的DC03结构钢的自穿孔铆接工艺，基于DEFORM-2D对6016铝合金与DC03钢板异种材料的自穿孔铆接工艺进行了仿真，并采用平板模具对不同放置顺序的钢板进行了铆接实验。结果表明:上层放置6016铝合金板材时，自穿铆接成形质量较好;侧切、封头高度和残余厚度的实验值分别为0.585 mm、0.069 mm和0.212 mm。实验值与仿真值的相对误差分别为3.62%、7.81%和2.42%，验证了有限元仿真的正确性。此外，分析了钢-铝异种材料自冲铆接凹边与模具参数的关系，发现凹边随模具宽度的增加而增大，随模具深度的增加而减小。

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2020 3rd International Conference on Electron Device and Mechanical Engineering (ICEDME)

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