Before flanging auto-body panels, a feasible trimming line should be obtained, otherwise the final part shape after flanging cannot meet the dimensional requirement.
车身零件翻边前一般有修边工序，需要准确的修边线，否则翻边后零件达不到零件尺寸要求。
After the drawing direction has been created, the addendum of auto-body panels will be added.
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.
拉深方向确定之后，对汽车覆盖件进行工艺补充。
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