后立柱外板表面缺陷的产生原因及预防措施

Reason of the generation of the punching surface disfigurements of automobile back upright column outer board and the preventing measures

针对3t载货汽车大驾驶室后立柱外板在冲压生产中经常出现的各种表面缺陷 ,具体分析了产生缺陷的原因 ,着重论述了应采取的预防措施。

Aiming at all kinds of surface disfigurements that were generated during punching process on automobile back upright column outer board, it analyzed concretely the reason of the surface disfigurements and elaborated the preventing measures should be conducted.