According to the research report on the current situation and development prospects of China's deceleration motor industry from 2020 to 2025 released by China Industry Research Network, manufacturers in the domestic deceleration motor industry also coexist in various forms, such as foreign-funded enterprises, Sino foreign joint ventures, state-owned enterprises, joint-stock enterprises, and individual enterprises, with scales ranging from annual output value of hundreds of millions of yuan to millions of yuan. It is predicted that during the 11th Five Year Plan period, due to the overall economic development, the growth rate of the total economic output of the planetary gearbox industry will still reach double digits.
The product categories involved in the reducer industry include gear reduction motors, cycloidal pinwheel reduction motors, harmonic reduction motors, worm gear and worm gear reduction motors, and so on. Today, let's take a look at the development trend of planetary gear reducers and micro planetary gear reducers.
Planetary reduction motors achieve mechatronics integration:
In micro machines, not only do they require a micro transmission device that can transmit power - a micro planetary gear reducer, but they also need a micro planetary gear reducer that can have its own power drive device. In other words, micro machines require a compact gear transmission device composed of a micro electric motor and a micro planetary gear reduction unit, enabling it to have both driving and deceleration functions. Therefore, for the electromechanical integrated gear transmission device with the above functions, its feature is that the input shaft and output shaft of this micro planetary reducer have coaxiality, and the motor shaft should be tightly connected to its load. Structurally, the shaft of the electric motor can be connected to the input of the planetary gear reducer, that is, the shaft of the electric motor and the gear shaft of the sun gear a are located on the same main axis and connected to each other. The output shaft of the planetary gear reducer (connected to the internal gear e as a whole) is the output shaft of the combination, forming an internal gear transmission device that combines the electric motor and planetary gear reducer. It can also be said that the electric motor and planetary gear reducer are combined to form a low-speed electric motor, and its output shaft can be directly connected to the working machine. The current problem is that in order for this type of micro planetary gear reducer with an electric motor to achieve practicality, a practical micro electric motor with similar dimensions as the micro planetary gear reducer is needed.
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Lubrication of planetary reduction motor gears:
The lubrication problem of gears in gear transmission devices is an important issue in the development of micro planetary gear transmission. Many scholars engaged in tribological research are striving to better solve this problem. According to relevant literature, in general gear reducers that transmit power, the smaller the diameter of the main shaft of the gear reducer, the greater the proportion of the frictional torque it operates in the total power loss. However, in micro machines, it is not easy to accurately measure small frictional torques. But the proportion of friction torque in the total power loss of the micro planetary gear reducer can be calculated, and it will increase. At present, people are paying special attention to the research work in the field of micro tribology, hoping that it can effectively solve the lubrication problem of micro planetary gear reducers in the near future, and play a huge role in promoting the practicality of this micro planetary gear reducer.
With the increasing emphasis on the mechanical manufacturing industry in the future, the demand for reducers by major enterprises is constantly expanding. Therefore, the utilization of reducers will accelerate the development of the entire power, construction machinery, building materials, and energy industries. Naturally, the demand for gearboxes in such industries is also constantly expanding. It is expected that with the increasing emphasis on the mechanical industry, the production of gearboxes will also enter a white hot stage, and only in this way can market demand be met.
Application of planetary reduction motor:
Gearboxes are mechanical transmission devices in many fields of the national economy. The product categories involved in the industry include various types of gear reducers, planetary gear reducers, and worm gear reducers, as well as various specialized transmission devices, such as speed increasing devices, speed regulating devices, and various composite transmission devices, including flexible transmission devices. The product and service fields involve industries such as metallurgy, non-ferrous metals, coal, building materials, shipbuilding, water conservancy, power, engineering machinery, and petrochemicals
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A Brief Discussion on the Prospects of Planetary Reduction Motors
View：193 Release Date：2021/6/12 8:00:58