后背门外板表面冲击线的成因及消除方法

Cause of shock curve at automobile door plate surface and elimination method

通过对某车型后背门外板在成形过程中表面存在冲击线的问题,分析了冲击线产生的具体原因及消除方法,从而提升覆盖件的表面质量,避免了返工返修,通过对该问题的研究,能对从事汽车冲模设计及现场调试的工程技术人员提供一定的参考。

In view of the existence of shock curve at the plate surface of an automobile rear door during its process, analysis was made on the specific causes and then an elimination method was proposed.