To adopt usual way machining gear with small module and a few teeth, it is easy to emerge gear undercut, thus, it reduces the intensity of teeth and worsens the mesh condition.
按常规方式加工小模数少齿数齿轮，容易出现齿轮根切现象，致使齿轮轮齿强度降低、齿轮啮合条件恶化。
On the basis of analyzing and discussing the structural theory of Three-Ring gear reducer, this dissertation gave a new scheme of planetary gear reducer with few teeth difference.
本文在分析和讨论了现有的外平动三环减速机结构的基础上，提出了一种新的内平动少齿差行星减速机的结构方案。
On the basis of analyzing and discussing the structural weakness of Three-Ring Gear Reducer, this dissertation gives a new scheme of planetary gear reducer with few teeth difference.
本文分析和讨论了现有的三环减速机在结构上存在的缺陷，并针对三环减速机的缺陷提出了一种新的改进方案。
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