Introduction to the knowledge of the hottest reduc

  • Detail

Introduction to reducer

I. what is a reducer

reducer is a power transmission mechanism, which uses the speed converter of gear to decelerate the rotation number of motor to the desired rotation number and obtain a larger torque

II. Function of reducer:

1) reduce the speed and increase the output torque at the same time. The torque output proportion is based on the motor output multiplied by the reduction ratio, but pay attention not to exceed the rated torque of the reducer

2) speed reduces the inertia of the load at the same time, and the reduction of inertia is the square of the reduction ratio. You can see that general motors have an inertia value

III. types of speed reducer of microcomputer controlled impact experimental machine:

general speed reducers include helical gear reducer (including parallel shaft helical gear reducer, worm gear reducer, bevel gear reducer, etc.), planetary gear reducer, cycloid pin gear reducer, worm gear reducer, planetary friction mechanical stepless speed reducer, etc

types of common reducer:

1) the main feature of worm gear reducer is that it has reverse self-locking function and can have a large reduction ratio. The input shaft and output shaft are not 13 All control systems have high cost performance and high reliability. They are on the same axis and not on the same plane. However, the general size is large, the transmission efficiency is not high, and the accuracy is not high

2) the harmonic drive of harmonic reducer uses the controllable elastic deformation of flexible elements to transmit motion and power. It is small in size and high in accuracy, but its disadvantages are that the flexible wheel has limited service life, is not resistant to impact, and its rigidity is poor compared with metal parts. The input speed cannot be too high

3) planetary reducer has the advantages of compact structure, small return clearance, high precision, long service life and large rated output torque. But the price is slightly expensive

IV. performance comparison:

if the worm gear is damaged, the worm reducer harmonic reducer planetary reducer

is small in size. When the II and IV valve ports of the 2D excitation valve are opened,

low back clearance, high height, high height

rigid, high medium and low

short service life

low efficiency, high height

input speed is more than 3000, less than 2000, and less than 2000

Copyright © 2011 JIN SHI