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应用塑性变形力学方法-滑移线场理论,对方盒形件冲压变形进行力学分析,给出了冲压拉深比的定义与物理概念,建立了方盒形件与圆筒形件极限拉深比间的数学函数关系式。实验研究结果证实,计算值与实测值基本吻合。
The plastic deformation mechanics method - slip line field theory was applied to analyze the mechanical deformation of the box-shaped parts. The definition and physical concept of the drawing ratio were given, and the ultimate drawing ratio of square box and cylindrical parts was established Between the mathematical function of relations. Experimental results show that the calculated value is basically consistent with the measured value.