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采用连续接触模型．利用达朗伯原理建立动力学方程．并通过适当的动力约束方程及差分迭代方程．对含多个运动副间隙的推杆从动件盘形凸轮机构进行了动态分析．以双直边盘形凸轮机构为例．对其进行了较为详尽的公式推导．并以此为据、对凸轮机构进行了动态计算．计算结果表明。本方法的分析与计算简单．结果与实际相符．
Continuous contact model. The kinetics equation is established by using the principle of Darumberl. And through the appropriate dynamic constraint equations and differential iteration equations. A dynamic analysis of the ram driven cam mechanism with multiple clearances was carried out. Take double straight edge disc cam mechanism as an example. It has been more detailed formula derivation. And based on this, the cam mechanism was dynamically calculated. calculations proves that. The method of analysis and calculation is simple. The result is in line with the actual situation.