The extrusion is successfully divided into three ideal stages through the analysis on the pressing force and displacement curve in the process of extrusion.
通过对挤压过程压制力和位移曲线的分析，提出了对挤压过程三个阶段的合理划分。
2
The cold extrusion process and mould design have been introduced of the pressing drill sleeve.
介绍了冲钻套筒的冷挤压工艺、 模具设计。
3
The effect of billet size on the effective strain and unit extrusion pressure was investigated during equal channel angular pressing.