To account for the manufacture of offset cylindrical worm gearing, further it studies on the 3D modelling of the offset cylindrical worm gearing.

对渐开线偏置圆柱蜗杆副的制造进行了说明，并对该种蜗杆副的三维造型进行了研究。

The structure and the working principle of a new kind of hourglass worm gearing, which is called non-backlash hourglass worm gearing, are introduced.

阐述了一种新型环面蜗杆传动——无侧隙双滚子包络环面蜗杆传动的结构和传动原理。

All of these is a reliable basis for the steel worm-gearing spreading and applying.

为钢蜗杆副传动的推广和应用提供了可靠的依据。

A new numerical computing method suitable for all kinds of cylindrical worm gearing is proposed.

提出一种新的计算圆柱蜗杆副啮合的数值计算方法。

By theoretic analysis, we have studied method that defines engaging parameter and the real driving ratio and contact area of point contact Archimedes worm gearing.

本文通过理论分析阐明了点接触阿基米德蜗杆传动啮合参数的确定以及实际传动比和接触区分析的方法。