文中推导出滚子圆周间隙和滚子径向自锁条件的计算公式。
In this paper, the formulae for calculation of circumferential clearance between rollers and analysis of roller radial self locking condition are derived.
导出摆动活齿传动空回行程不自锁条件，并给出克服自锁的方案。
Self-locking conditions of return stroke of swing movable teeth are deduced and methods to overcome self-locking are obtained.
通过建立砂粒自锁条件及实测长石砂岩、石英砂岩与泵筒镀铬层或氮化层的滑动摩擦系数值， 证实了对柱塞拉伤失效原因的推测是正确的。
The deduction is confirmed by establishing self locking conditions and determining the sliding friction coefficients between sand and chromium plating layer and between sand and nitrided surface.
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