这种装置使设计人员在确定主动机械与从动机械的位置时有相当大的灵活性，而且公差要求也不像齿轮传动装置那样严格。

They allow the designer considerable flexibility in location of driver and driven machinery, and tolerances are not critical as is the case with gear drives.

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凸轮机构可以使从动件准确的实现某种预期的运动规律，它广泛的应用于自动机械、自动控制装置和装配生产线中。

Cam mechanism can make the follower accurately realize some expected movement which is widely used in automatic machinery, automatic control equipment and assembly production line.

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