薄板拉深件质量问题分析

Analysis on quality to pull and stretch-parts

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。针对这些特征质量问题,指出了正确认识、合理设计,巧妙利用、科学控制,必须采取后续工序等的意义。

During the process of pulling and stretching , the quality of pulling and strething parts mainly show： wrinkle ,plosion thin,rebound,lug etc. Aimed at these questions, the writer pointed out that it is very important and necessary with some correct understanding ,reasonable design, skillful use and scientific control,some working procedure afterwards.