The Structure And Characteristics of Planetary Reducer

- Dec 23, 2020-

The main transmission structure of the planetary reducer is: planetary gear, sun gear, and outer ring gear.


Because of the structure limits, the single-stage reduction is the smallest, and the maximum generally does not exceed 10. The common reduction ratios are: 3, 4, 5, 6, 8, 10. The number of reducer stages generally does not exceed 3, but some customized reducer with large reduction ratios has 4 speed reductions.


The internal gear of the planetary reducer adopts 20CrMnTi carburizing quenching and gear grinding. It has the characteristics of small size, light weight, high load capacity, long service life, stable operation, low noise, large output torque, large speed ratio, high efficiency and safe performance . Because of these characteristics, planetary reducers are mostly installed on stepper motors and servo motors to reduce speed, increase digging torque, and match inertia.


Planetary reducers are suitable for industrial sectors such as lifting and transportation, construction machinery, metallurgy, mining, petrochemicals, construction machinery, light industrial textiles, medical equipment, instrumentation, automobiles, ships, weapons and aerospace etc.