对生产中所遇到的特殊角度汽封齿的加工问题，设计了专用滚压刀具，并提出了实施方案。
Special rolling tools are designed for machining special gland sealing gears in production and some schemes are put forward to be put into practice.
通过对深孔加工常用方法的分析 ，设计了一种集镗削、滚压于一体的组合镗滚刀具。
The research of the deep hole processing system which used gun-drill and the forced-air cooling technique;
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