To avoid sliding that occurs in cylindrical roller thrust bearings, the taper Angle of the rollers is selected so the extended contact lines intersect on the bearing axis.
为了避免推力圆柱滚子轴承发生滑动，滚子的锥度要合适以至于扩大的接触线可以与轴承轴相交。
2
In the design of crossed-helical gears, the minimum sliding velocity is obtained when the helix Angle are equal.
在横渡螺线齿轮设计，当节面角是相等的时，极小值滑的速度得到。
3
The concept and definition of the sliding cutting Angle of the working parts in agricultural machinery are described variously and even incorrectly at present.