拉深方向确定之后，对汽车覆盖件进行工艺补充。
After the drawing direction has been created, the addendum of auto-body panels will be added.
本文首先对汽车覆盖件的形状和工艺特征进行分类，建立覆盖件的工艺特征表达模型。
Firstly, the process and shape features of panels were classified, and the process representation model was presented in this paper.
本文对汽车覆盖件冲压成形有限元数值仿真技术进行了研究，并对某型轿车前翼子板进行了冲压成形仿真。
In this thesis, the finite element simulation technology of automobile panel stamping forming is researched, and an automobile front fender stamping forming is simulated.
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