The Difference Between Planetary Reducer, RV Reducer and Harmonic Reducer
At present, there are many types of reducers commonly used in the market, such as planetary reducers, RV reducers and harmonic reducers. Now, CAMEL engineer will explain you the difference between these three types of reducers.
1. The planetary reducer is an industrial product. The planetary reducer is a transmission mechanism. Its structure is tightly combined with an inner gear ring on the gearbox housing. The center of the ring gear has a sun gear driven by external power. Between the two, there is a planetary gear set composed of three gears equally divided and combined on a tray. The planetary gears rely on the output shaft, internal gear ring and sun gear support; when the input side power drives the sun gear, the planetary gear can be driven to rotate and revolve along the center following the trajectory of the inner gear ring. The rotation of the planet drives the output shaft connected to the tray to output power. A mechanism that uses gear speed converters to reduce the number of revolutions of the motor (motor) to the required number of revolutions and obtain a larger torque. In the reducer mechanism used to transmit power and motion, the planetary reducer is a precision reducer.
The Rise of Domestic Industrial Robots
The Rise of Domestic Industrial Robots
2. RV transmission is a new type of transmission. It is developed on the basis of traditional pin-vibration planetary transmission. It not only overcomes the shortcomings of general pin-vibration transmission, but also because of its small size, light weight and large transmission ratio range, long life, stable accuracy, high efficiency, smooth transmission and other advantages it received extensive attention. The RV reducer is composed of a cycloidal pin wheel and a planetary support. With its small size, strong impact resistance, large torque, high positioning accuracy, low vibration, large reduction ratio and many other advantages, it is widely used in industrial robots, machine tools, and medical testing, equipment, satellite receiving system and other fields. Compared with the harmonic drive commonly used in robots, it has much higher fatigue strength, stiffness and life, and the accuracy of the return difference is stable. Unlike the harmonic drive, the motion accuracy will be significantly reduced when the use time longer, so in many countries in the world most of the high-precision robot transmissions use RV reducers. Therefore, this type of RV reducer has a trend of gradually replacing harmonic reducers in advanced robot transmissions.
3. The harmonic reducer is mainly composed of three basic components: a wave generator, a flexible gear and a rigid gear. The harmonic drive reducer is a wave generator that makes the flexible gear produce controllable elastic deformation and mesh with the rigid gear to transmit motion and power. Planetary reducers, RV reducers, and harmonic reducers have different working principles, different transmission modes, and different application industries.
CAMEL Transmission Machinery Factory is a professional supplier,distributor and manufacturer of gear reducers and related accesories. including rotary reducer,worm gearbox, servo-gearbox, planetary gearboxes,planetary gear reducer, helical gear reducers,planetary gearbox,right angle gear reducer, gear reduction,gear motors, electrical motors,DC motors, DC gear motor,dc gearedmotors,AC gear motor,AC motors, servo motors,servomotor, bearings, spur gear,helical gear,bevel gear,worm gear,planetary gear, couplings, oil seals, belts, chains, etc.If you have any need, please feel free to contact CAMEL:
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