整形、冲侧壁孔模设计

Design of model used for rebuilding and ramming hole at aspect

介绍一种在一次行程中完成整形及冲 3个侧壁孔的冲裁模设计。在实际应用中效果良好。

This paper introduces a new type mould which could accomplish rebuild and ram holes at three aspects in one distance of travel. It has better effect in the actual application.