介绍了薄板拉深筒形件的塑性失稳条件，起皱的主要原因及防止措施。
The destabilization condition in plastic state, the main causes of wrinkling and the pre ven tion means in the sheet drawing process of tube-shaped parts have been intro duced.
指出纯铜薄板的各向异性对矩形盒拉深成形性的影响不十分显著。
It's pointed out that the effect of the anisotropy of fine copper on the drawing forming property of rectangular case isn't remarkable.
在薄板拉深过程中，拉深件的质量问题主要表现为起皱、破裂、变薄、回弹、凸耳等。
During the process of pulling and stretching, the quality of pulling and strething parts mainly show: wrinkle, plosion thin, rebound, lug etc.
在薄板拉深过程中，拉深件的质量问题主要表现为起皱、破裂、变薄、回弹、凸耳等。
During the process of pulling and stretching, the quality of pulling and strething parts mainly show: wrinkle, plosion thin, rebound, lug etc.
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