In the past ten years , many experts have aimed at optimization design of gear transmission & counting its bonding load - carrying capacity in order to improve its carrying capacity , increase service life & reduce volume etc 摘要近十年来，为提高齿轮传动的承载能力、延长寿命、减小体积等，许多专家学者致力于齿轮传动的优化设计、胶合承载能力计算、可靠性设计等工作。
Then the non - interventional condition is that the relative geodesic curvature is zero . furthermore , for the transmission of the parallel or crossing axles , if the datum surface is the pitch one , the non - interventional condition is naturally satisfied 考虑到平行轴的法向圆弧齿轮传动已臻成熟，论文重点研究了相交轴与交错轴条件下法向圆弧齿轮传动的基本方案。
The distribution of the bend stress of fg has been gotten . the investigation on the contact stress of fg drive is made by fea . the distribution of the contact stress of fg is obtained in the different meshing locations during the meshing 在面齿轮传动的接触应力的研究中,利用有限元分析法对面齿轮的接触应力作了分析;获得了在啮合过程中不同的啮合位置面齿轮的接触应力的分布规律。
The frequency spectrum and the beet frequency phenomenon also were carried out , the reason from that the beet frequency occur has been found and simulated . these jobs are useful for improving the performances of harmonic gear drive and opening up its using scope 这对进一步认识谐波齿轮传动运动误差的产生和提高谐波齿轮传动的运动精度，拓宽谐波齿轮传动的应用范围，特别是在工业机器人中的应用都具有重要的现实意义。
The basically theoretical researches and the design of end face harmonic gear drive of oscillating teeth are helpful . the end face harmonic gear drive of oscillating teeth will be a new member of the drives of oscillating teeth . and it has a definite application expectation and economic value 因此，关于活齿端面谐波齿轮传动的基础性理论研究和开发应用，不仅增加了活齿传动的类型，具有一定的理论意义，而且具有广泛的应用前景和巨大的经济价值。
In this paper , error sources and the relation between error source and transmission error of harmonic gear drive are deeply analyzed based on its working principle and structure . then synthesize these errors by using stochastic error theory to write out estimative formula that calculate transmission error 本文重点对谐波齿轮传动的运动精度进行分析研究，从谐波齿轮传动运动误差的产生入手，首先对误差源进行了深入分析，然后对运动误差进行了分析和综合。
According to the differential geometry theory , the principle curvatures and principle relative curvature of the spur gear and the fg in line contact and point contact , the tooth surface relative speed and the tooth contact interface are analyzed , whose distributing on the tooth surface are visualized by computer 在齿面的几何特性研究中，利用微分几何的原理分析了圆柱齿轮和面齿轮的齿面曲率、线接触和点接触面齿轮传动的主诱导法曲率以及啮合过程中齿面的相对速度和接触区域计算问题，并获得有益的结论。
Applying the computer program developed by this paper , and choosing the real values of the gear transmission , this paper has completed more than 50 sets of calculations of the thermal elastohydrodynamic lubrication based on the non - newtonian fluid . the following conclusions can be drawn according to the computational results : 1 , when the gear teeth are engaged at the pitch point , the changes of both the gear rotational speed and the load have little influence on the pressure distribution and the film shape , but they have large influence on the film temperature distribution 应用本文研发的计算机程序，选用齿轮传动的实际参数，先后进行了50余组的基于非牛顿流体的热弹流润滑计算，所得的主要结论如下： 1 、当齿轮在节点啮合时，齿轮转速及载荷的变化对压力分布口太原理工大学硕士学位论文和油膜形状的影响不大，但对温度分布有明显的影响。
