平动齿轮机构重合度的分析

Analysis of Contact Ratio of Paraller Translation Gears

利用求解两齿廓切点的方法，通过一个实际例子，说明了用定轴齿轮传动重合度计算方法计算的重合度小于１时的平动齿轮机构的传动情况。并分析了平动齿轮机构的齿廓啮合过程及连续传动情况，澄清了工程界的一些不确切的说法。

Using the method of detemining the tangent point of a pair of tooth profiles, by an example, the continuous drive process when the contact ratio ε<1 can be explained, and some unclear explanation in engeering field can be cleared.