An upsetting die has been designed to form the hemi-spherical ends of a series of bracings by hot upsetting on a general stamping machine.

• 介绍了在通用冲床上使用镦头模热镦成形系列化拉条半球形端部的模具设计要点、模具结构、工作过程以及主要零件的设计方法。