High opening and closing speeds thanks to differentialgears.
使用差动齿轮，可高速开合模。
2
This paper introduces a set of practical calculation method of change differentialgears, which can conveniently calculate the optimum teeth number of change gears with high accuracy.
本文介绍了一套比较实用的挂轮计算方法，可方便地计算出高精度挂轮的优化齿数。
3
Straight bevel gears used in car differential have strict requirements for dimensional precision and quality, it is difficult to form accurately them by the traditional forging techniques.