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设计少齿差行星齿轮传动,需解决的主要矛盾是当内齿轮与行星轮齿数很接近时的齿廓重迭干涉与节点对方齿顶干涉的问题。为此采用短齿和大角度修正。这样常常引起重迭系数ε的下降甚至小于1,在计算过程中需反复调整重复计算。刀具参数亦作为原始条件并影响计算结果,给设计与工艺带来许多不便。当齿数差为1时,啮合角达54°～56°,齿
The main contradiction to be solved in designing the gearless planetary gear drive is to solve the interference of the tooth profile overlap interference with the tooth tip of the node when the number of teeth of the internal gear and the planetary gear is very close. For this purpose short teeth and large angle correction are used. This often leads to the decline of the overlap coefficient ε even less than 1, in the calculation process need to repeatedly adjust the repeat calculation. Tool parameters are also used as original conditions and affect the calculation result, which brings many inconveniences to the design and technology. When the number of teeth is 1, the engagement angle of 54 ° ~ 56 °, teeth