重载汽车中桥后盖冲孔模设计

Punching Die Design for Middle Bridge Rear Cover of Heavy-Duty Truck

主要介绍热压成形汽车中桥后盖后,对其异形面上安装孔的冲压工艺分析和方案比较。优化了模具结构,同时也介绍了在冲压过程中凸、凹模易开裂采取的措施和方法。

When thick plate was hot pressed into middle bridge rear cover of heavy-duty truck, piercing technology of its mouting hole in abnormal surface was analyzed, and the die structure were optimized. Also introduced the measure of prevent the convex and concave die cracking in course of pressing.