For vacuum circuit breaker with spring operating mechanism, an optimum design of CAM mechanism is significant to make the output force characteristics match the load characteristics.
对与真空断路器相配的弹簧操动机构而言，其输出力特性和开关负载特性的合理匹配取决于凸轮机构的合理设计。
The operating principle of seaming mechanism of automatic paper cup machine was introduced and the motion law of the CAM mechanism was analyzed.
以机械机构的参数化设计为启示，论述了全自动纸杯成型机卷封机构的工作原理，分析了卷封凸轮机构的运动规律。
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