矩形外罩拉伸工艺和模具的改进

Improvement of Drawing Technique and Die for the Rectangle Cover

分析了造成矩形外罩产品底部不平和靠近底部处尺寸不一致的原因 ,并从工艺路线。

The reasons caused the bottom unevenness of the rectangle cover and non_conforming size near the bottom are analyzed. The effective improvement measures are taken in the technological route, operation part structures and die design.