混合器传动由一个坚固的非专利设计的平行螺旋齿轮减速机组成，最小的机械过负荷因子为1.5。
The agitator drive is comprised of a robust non-proprietary reducer which utilizes parallel helical gearing and has a minimum mechanical service factor of1.5.
叙述了180涡轮钻具用减速器的传动比，齿轮传动，端面机械密封和偏心短圆柱轴承的设计计算过程和有关处理办法。
The design calculation process and related process methods for transmission ratio, gear transmission, end mechanic sealing and eccentric short roller bearing used for 180 turbine drill are described.
齿轮减速机的最少的机械过负荷因子为1.5。
The minimum mechanical service factor of the gear reducer is 1.5.
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