The three-ring internal gear reducer(TRIGR) in this article is a new type transmission which have been developed on the basis of involute few teeth difference (FTD) planetary transmission.
本文中的新型内三环减速器是在渐开线少齿差行星传动的基础上开发的一种新型传动装置。
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Prof. Zhang holds that double involutegear with ladder-shaped teeth possesses the advantages of good technology, high bending strength, high contact strength and fewer teeth.