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。

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The simplified theoretical model of normal pressure was derived, and the pressure delivery principle of multi-point blank holder was analyzed with FE simulation.

根据理论计算得到了法向压力分布的简化模型，并结合有限元数值模拟对多点压边圈上的压力传递问题进行了分析。

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The result indicates that proper blank holder force and liquid pressure will help to reduce the occurrence of drawing defects and the application of hydroforming can get more uniform wall thickness.

研究结果表明，合适的压边力和液体压力能控制盒形件拉深缺陷的发生，采用液压拉深盒形件可获得更好的壁厚分布。

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