Precision planetary gear reducer is composed of planetary gear, sun gear and internal gear ring. It is widely used in various products with high torque and low rotation speed, such as case lock and electric clamp. What are the differences between precision planetary gear reducer and ordinary gear reducer? Here's a brief introduction.
Compared with the ordinary reducer, the precision planetary reducer has higher rigidity, higher precision, transmission efficiency (up to 98%) and higher torque. It is generally connected with a micromotor for reducing speed, lifting torque and matching inertia. The planetary reduction motor has the characteristics of high precision, high rigidity, large load, high efficiency, long service life, large speed ratio, low inertia, low noise and small structure. It can be connected with brush motor, brushless motor and hollow cup motor for reduction transmission.
Planetary reduction motors are divided into primary reduction (reduction ratio ≤ 10:1), secondary reduction (reduction ratio ≥ 10:1, ≤ 200:1) and tertiary reduction. They are widely used in aviation, medical equipment, intelligent robots, smart homes, electric tools and other industries.
Ordinary reduction motors are decelerated by the principle that small gears drive large gears, and the gear ratio of small gears is the transmission ratio. Between the reducer and the micromotor, it plays the role of matching speed and transmitting torque. Gear reducer includes helical gear reducer, worm reducer and so on. The main function is to increase the output torque, reduce the speed and change the direction of the output shaft just like the planetary reducer. It is widely used in various electronic locks, 3D printing pens, AGV smart cars and other products.
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