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首页> 外文会议>1999 North American Manufacturing Research Conference (NAMRC), May 25-28, 1999, Berkeley, California >Numerical and experimental optimisation of the clinching process
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Numerical and experimental optimisation of the clinching process

机译：压接过程的数值和实验优化

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摘要

With the recent trend towards the use of aluminum alloys and synthetic materials in the automotive and electrical appliances industry, the clinching process underwent a new development and is nowadays accepted and used as a competitive metal sheets fastening method. In this paper a numerical and an experimental investigation of the press clinching process is reported. In particular, a factorial experimental plan of F.E.M. simulations has been carried out in order to build a base of knowledge in terms of tools' shape and mechanical and geometrical characteristics of the joint. Based on these numerical results, optimal values of the considered variables have been found by means of a regression analysis with the goal of maximising the mechanical properties of the joint. Finally, experimental tests have been carried out in order to confirm the results of the proposed approach. The optimisation procedure, based on numerical experiments, has lead to an improvement of the joint performances in terms of mechanical strength.
机译：随着最近在汽车和电器工业中使用铝合金和合成材料的趋势，压接工艺得到了新的发展，并且如今已被接受并用作一种有竞争力的金属板紧固方法。本文报道了压接过程的数值和实验研究。特别是F.E.M.为了建立关于工具的形状以及接头的机械和几何特性的知识基础，已经进行了模拟。基于这些数值结果，已通过回归分析找到了所考虑变量的最佳值，目的是使接头的机械性能最大化。最后，进行了实验测试以确认所提出方法的结果。基于数值实验的优化程序，导致了机械强度方面的接头性能的改善。

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