1).The worm shaft and output shaft for this series are manufactured from SNCM21 material and carburization heat treated. The worm gear is manufactured from Japanese material AIBC2. 　　　 2).The double lead worm shaft features high torque output, rigidity, low noise, low vibration and low backlash(0~0.02°). Easy to adjust backlash and extra long service life. Ideal for high precision transmission and indexing, positioning and sizing applications such as: the fourth axis on machine tools, rotary[...]