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1·Take the manufacture of Z535 variable speed gear box for example, to analyze the causes of gear noise and effective technological means of noise control.

以制造z 535变速齿轮箱为例，分析了齿轮噪声的产生原因和控制噪声所采用的有效工艺手段。

2·In essence the belt planetary gear continuously variable transmission is a planetary differential train the speed of which is adjustable.

带式行星齿轮无级变速器实质上是一种可无级变速的封闭式差动轮系。

3·Appropriate pitch curve designing is a key of regularly working for non-circular planetary gear mechanism with variable center distance which can be used in low speed high torque hydraulic motor.

合理的节曲线设计是可用于低速大扭矩液压马达的变中心距非圆行星齿轮机构正常工作的关键。

4·The drive system preferably includes a gear, gearbox, variable speed drive and at least one positioning sensor.

该驱动系统优选为包括齿轮、齿轮组、具有动力制动性能的变频驱动的马达、以及至少一个位置传感器。

5·A kind of optimal design of cam-linkage-gear mechanism for the paper-transferring mechanism with variable speeds is introduced in this paper to meet the need of high-speed offset press.

研究了适合于高速胶印机的纸张输送机构——凸轮连杆齿轮变速输纸机构的优化设计问题。