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1·The paper studies the vibration of the close-crank-press during blanking.

本文对闭式压力机冲裁时的振动问题进行了探讨。

2·The structure, main design parameters and work process of the compound die installed on single action press and working for blanking and drawing with constant blank holder pressure were presented.

介绍了用于单动压力机的新型恒压边力落料拉伸复合模的结构及主要设计参数和模具工作过程。

3·According to the view of press die knowledge, this paper, using the expert system, reasoning parameter of blanking technology in the press design.

针对冲裁模设计中的知识特点，采用专家系统进行冲裁模设计中的工艺性参数计算。