During the research, first, the influence of the finish turning and rolling process to the quality of thrust faces are studied here.
在本文研究过程中，首先研究了精车滚压工艺对止推端面质量的影响。
Compared to cold drawing process, the cold rolling for high precision bars has certain distinct advantages: better surface finish obtained. superior dimension control and higher metal yield.
前言：冷轧法生产的高精度钢材较冷拔法具有更好的表面质量、尺寸精度和高的收得率。
After original bearing ring rolling process, directly adding a finishing diameter process made the ring forging get finish.
在原有轴承套圈辗扩工序后直接增加一道整径工序，使套圈锻件得到精化。
After original bearing ring rolling process, directly adding a finishing diameter process made the ring forging get finish.
在原有轴承套圈辗扩工序后直接增加一道整径工序，使套圈锻件得到精化。
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