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The principle and characteristics of the reducer

Time:2020-04-13 15:03:14 Hits:858 次 Source:LUOYANG HONGXIN HEAVY MACHINERY CO., LTD.

The reducer plays a role in matching the speed and transmitting torque between the prime mover and the working machine or actuator. The reducer is a relatively sophisticated machine. The purpose of using the reducer is to reduce the speed and increase the torque.

According to the different transmission stages, it can be divided into single-stage and multi-stage reducers; according to the shape of the tooth factory wheel, it can be divided into cylindrical gear reducer, conical gear reducer and conical-cylindrical gear reducer; according to the arrangement of transmission It is divided into unfolding type, shunt type and co-axial shaft reducer. The reducer is an independent component composed of a gear drive, a worm drive, and a gear-worm drive enclosed in a rigid housing. It is often used as a deceleration transmission device between the moving part and the working machine. It plays a role in matching the rotation speed and transmitting torque between the prime mover and the working machine or actuator, and is widely used in modern machinery.

The reducer is generally used in low-speed and high-torque transmission equipment. The motor, internal combustion engine or other high-speed power is passed through the gear with a small number of teeth on the input shaft of the reducer to mesh with the large gear on the output shaft to achieve the purpose of deceleration. The reducer will also have several pairs of gears with the same principle to achieve the desired reduction effect. The ratio of the number of teeth of the large and small gears is the transmission ratio.

The main feature of the worm gear reducer is the reverse self-locking function, which can have a larger reduction ratio. The input shaft and the output shaft are not on the same axis or on the same plane. However, the volume is generally large, the transmission efficiency is not high, and the accuracy is not high. The harmonic drive of the harmonic reducer uses the flexible deformation of the flexible reducer to transmit motion and power. The volume is small and the accuracy is high, but the disadvantage is that the flexible wheel has a limited life, is not resistant to impact, and the rigid and metal parts Relatively poor. The input speed cannot be too high. Planetary reducer has the advantages of relatively compact structure, small return clearance, high accuracy, long service life, and rated output torque. But the price is slightly more expensive. The gear reducer has the characteristics of small volume and large transmission torque. The gear reducer is designed and manufactured on the basis of the modular combination system. There are many motor combinations, installation forms and structural schemes. The transmission ratio is finely graded to meet different working conditions and achieve mechanical and electrical integration. The gear reducer has high transmission efficiency, low energy consumption and superior performance. The cycloid reducer is a transmission model that adopts the principle of cycloid pin gear engagement planetary transmission. It is an ideal transmission device. It has many advantages, a wide range of uses, and can operate in both positive and negative directions.


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