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What's The Difference Between A Planetary Reducer And A General Reducer?
May 16, 2018

Reducer is generally used in low speed high torque transmission device, the electric motor. The internal combustion engine or other high speed operating of power on the input shaft of the reducer gear of big gear on the output shaft gear mesh less to achieve the purpose of deceleration, ordinary there is few on the same principle of gear reducer and achieve ideal reduction effect, the size of the ratio of the number of teeth on the gears, transmission ratio. Reducer is generally used in low speed high torque transmission device, the electric motor. The internal combustion engine or other high speed operating of power on the input shaft of the reducer gear of big gear on the output shaft gear mesh less to achieve the purpose of deceleration, ordinary there is few on the same principle of gear reducer and achieve ideal reduction effect, the size of the ratio of the number of teeth on the gears, transmission ratio. The reducer is a power transmission mechanism, which USES the gear's speed converter to decelerate the rotary number of the motor to the desired rotation number and obtain a large torque mechanism.

- the role of the reducer.

1) the output torque is increased at the same time, and the output ratio of the torque is driven by the output of the motor, but it should not exceed the rated torque of the reducer.

2) the inertia of the load is reduced at the same time, and the inertia is reduced to the square of deceleration ratio. You can see that the general motors have a inertia value.

- type of reducer.

General reducer with oblique gear speed reducer (including parallel shaft helical gear reducer, worm gear reducer, bevel gear reducer, etc.), planetary gear reducer, cycloid pin wheel reducer, the worm gear and worm reducer, planetary friction type mechanical CVT machine, and so on.

- type of common reducer.

1) the main feature of worm gear reducer is the reverse self-locking function, which can have a large reduction ratio. The input shaft and output shaft are not on the same axis, nor are they on the same plane. But the general volume is large, the transmission efficiency is not high, the accuracy is not high.

2) harmonic drive is harmonic reducer using the elastic deformation of flexible component controllable transfer movement and power, small size, high precision, but the disadvantage is that soft round limited life, impact resistance, not rigid compared with metal parts. Input speed cannot be too high.

3) the advantages of planetary reducer are compact structure, small return clearance, high precision, long service life, and high rated output torque. But it's a little bit more expensive.

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