在发动机正时机构的齿形链传动中，由于存在多边形效应，链条中心线上下波动，链板啮入轮齿时存在啮入冲击。
In the process of the silent chain drive used as the timing transmission in motor, the chain always suffers from meshing impact and waving for polygon action.
其防滑传动机构为齿轮、齿条防滑机构，链轮链条防滑机构、钢丝绳防滑机构。
The antiskid drive mechanism is the gearwheel and gear rack antiskid mechanism, the chain wheel and chain link antiskid mechanism, and the steel cable antiskid mechanism.
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