环件轨制的有限元分析

Analysis of Ring Rolling by Finite Element Method

本文提出了处理从动芯辊速度及轧辊压下量分配的方法,从而解决了刚塑性有限元计算中所遇到的问题。计算与实验结果表明,这种方法具有简单、准确、计算速度快等优点。可用于环轧工艺分析和轧机设计,并适用于其它形式的非对称轧制有限元分析。

According to characteristics of ring rolling process, a method dealing with the unknown mandrel velocity and distribution of roll reductions is proposed so that the problems met in the rigid plastic FEM culculation of ring rolling is solved. The comparision of calculated and experimental results shows that the method has the merits of easy handling, exact results and short calculation time. with the FEM method, the ring rolling process and the disgn of ring rolling mill can be guided. Besides ring rolling, the given method can be also used in analysis of other asymmetric rolling processes.