forward extrusion die

On the problem of open compression die emerged in production, the part is analyzed and a new processing method is put forward. Cold punching technology is replaced by cold extrusion technology.

针对敞开式压缩模在生产中出现的问题，对工件进行分析研究，提出新的工艺方法，以冷挤压工艺取代冷冲压工艺。

This article introduced some methods of spline cold forming technology: forward die extrusion die forming, mud-rolls die extrusion forming, cold rolling forming and plate type cold rolling forming.

本文对花键整体凹模正挤工艺、多辊冷挤压成形工艺、冷滚轧成形工艺、平板齿条搓挤工艺等花键冷成形技术和特点进行介绍。

It put forward to the condition accepted for simplified design of extrusion die considering the influencing effects of "clamshell phenomenon" on the flow uniformity of die.

考虑到“蛤壳现象”对挤出模流动均匀性的影响，提出了挤出模简化设计的容许条件。