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1·The optimum design of plane quadratic enveloping ring surface worm drive has been realized using the theory and method of optimization.

针对平面二次包络环面蜗杆传动，运用优化理论和方法，对其进行了优化设计。

2·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。

3·A method of modifying the double enveloping worm gearing with developable tooth surface has been proposed to reduce the sensibility of the worm gearing to the manufacturing errors.

提出了对二次包络环面蜗杆传动修形的方法，以降低蜗轮副对制造误差的敏感性。