摩擦力圆锥 cone of friction
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因圆锥滚子大端与内圈挡边之间滑动摩擦，其极限转速往往低于同尺寸的圆柱滚子轴承。
For tapered roller large end and sliding friction between the inner wall, the speed limit is often lower than the same size cylindrical roller bearings.
分析齿轮摆辗凹模的失效形式，并且通过改变直齿圆锥齿轮摆辗的工艺参数的有限元模拟，探讨了凹模进给量、摩擦系数和摆头倾角的改变量对凹模应力影响以及对凹模失效形式的影响。
The failure form of rotary roll cavity die for straight tooth bevel gear was analyzed, and the finite element simulation method was employed to change the processing parameter of rotary roll.
圆锥球磨机主要有四个特点：（1）传动采用滚动轴承替代滑动轴承，摩擦力大大降低，启动容易，节能显著。
It features in following four aspects: (1)Bush bearing is replaced by rolling bearing , friction resistance being greatly lowered down , easy to be started and energy saving ;
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