Based on the arc substituting involute, the paper introduces a method for calculating the height and number of prisms in worm gear surface as well as the factors effecting them.
在以圆弧代替渐开线的基础上，导出了蜗轮齿侧棱面高度及数目的计算方法及影响他们的因素。
In this paper, the geometric characteristics of worm drive with double enveloping arc surface machined by datum-plane tool are stated.
本文阐述了平面二次包络弧面蜗杆传动的几何特征，引用数学方程对这些特征加以说明，进而提出了啮合参数选择原则。
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