Overview of planetary gearbox: Planetary gearbox is a widely used deceleration device with very high accuracy. While ensuring precise transmission, planetary gearbox is mainly used to reduce speed, increase torque, and reduce the ratio of load/motor moment of inertia. Planetary gearbox is also called servo gearbox or servo planetary gearbox.
The planetary reducer adopts involute planetary gear transmission, making reasonable use of internal and external meshing and power splitting. The casing is made of ductile iron, greatly improving the rigidity and seismic resistance of the casing; The gears are all treated with carburizing and quenching to obtain a high hardness and wear-resistant surface. After heat treatment, all teeth of the gears are ground, reducing noise and improving the efficiency and service life of the whole machine; The planetary gearbox has two stages and three stages of planetary transmission, which are the most commonly used stages. The main transmission structure of the planetary gearbox is: planetary gear, sun gear, internal gear ring, drive motor, and transmission shaft. Planetary gearboxes can be divided into three sections based on their appearance: input section, reduction section, and output section.
Input section: The input section refers to one end connected to the motor. Including input shaft hole and input flange
Deceleration section: The deceleration section refers to the core section of the reducer, which looks like a box from the outside, but actually contains many core components inside, such as planetary gears, sun gears, and internal ring gears.
Output section: Output refers to the end connected to the device, including the output shaft and output flange.
Advantages of planetary gearbox transmission: small size, light weight, high load-bearing capacity, long service life, smooth operation, low noise, large output torque, high speed ratio, high efficiency, and safe performance. It has the characteristics of power splitting and multi tooth meshing for exclusive use. The transmission efficiency of planetary gearboxes is generally above 90%, and can reach over 95%. They are widely used in the fields of spring machinery, robotic arms, textile machines, machine tool manufacturing, precision machining machines, aerospace industry, smart homes, automobile manufacturing, shipbuilding industry, semiconductor equipment, printing machinery, food packaging, automation industry, industrial robots, medical inspection, precision testing instruments, and high-precision electromechanical product industries.
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