In the rolling procedure of cross wedge rolling, the technological parameters and instantaneous rotational speed ratio of workpiece and roller have intimate and complicated relationship.
轧件与轧辊的瞬时速比和楔横轧工艺参数之间存在着十分密切而复杂的联系。
2
The hanging methods of workpiece and the effect of intensity of pressure, concentration and speed ratio on quality of finish are studied;
研究了工件的上盘方法以及抛光压力、自转公转速度、抛光液浓度对抛光质量的影响；
3
In electric upsetting, the workpiece is heated by electrifying and deformed locally and continuously with very large upsetting ratio.