trimming and punching die

So it is very necessary to exploit a practical CAD system for panel trimming and punching die design.

所以，针对覆盖件开发一套实用的修边冲孔模cad系统无疑是十分必要的。

Based on analysing the typical structure of trimming and punching dies, the author proposes a CAD system for panel trimming and punching die structure design based on functional component.

在分析汽车覆盖件修边冲孔模典型结构的基础上，提出了一种基于功能组件的修边冲孔模cad系统结构。

The key points in designing a two operating position punching and trimming die for shaping an automotive little leaf spring were discussed.

介绍了某车型片簧冲大孔、切边双工位模具设计要点及注意事项。