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How to select suitable DC motor for planetary reducer

Views: 0     Author: WGT     Publish Time: 2021-11-30      Origin: WGT

How to select suitable DC motor for planetary reducer

Planetary reducer can be used in a variety of high torque and low speed industries, such as electronic door lock, electric tooling fixture and smart home system. How to select the appropriate DC drive motor for planetary reducer?
For the small DC motor used in planetary reducer, the main parameters such as motor type, power, diameter, specification and model, working standard voltage, service life, operation noise, natural environment, full load output speed and assembly method shall be considered.
1) Type of DC motor
The motors of planetary reducer are generally driven by small motors such as DC brush motor, brushless DC motor, hollow cup motor and stepping motor. Different driving motors have different advantages. If the brush DC motor has the characteristics of low cost and convenient speed change, the brush motor has the characteristics of long service life and low noise, and the hollow cup motor has the characteristics of high efficiency Due to the small size and other characteristics, the appropriate DC motor can be selected according to the functional provisions of the application equipment.
2) Power
The power of planetary reducer motor is generally about 0.1w-40w, and the electric power of motor is affected by size and application field.
3) Specification and model
The specifications and models of small DC motors are generally from mm to tens of mm. The appropriate specifications and models are selected according to the differences of application equipment.
4) Working standard voltage
The working standard voltage range of small motors can meet the requirements of most commodities in the sales market at about 1.5v-24v. The higher the working standard voltage, the faster the speed of the motor will be.
5) Service life
It refers to the continuous working time of small motor under rated value or full load. The service life of motor carbon brush for brush motor DC motor can reach more than 1000 hours, and that of brush motor hollow cup motor can reach more than 10000 hours. If it is an application that must operate continuously for a long time, brush motor hollow cup can be selected. For example, brush motor DC motor can be used for goods such as electric control lock.
6) Push noise
Accurate noise measurement is the expected effect measured at a distance of one meter at rated current and speed. Generally, the motor noise of micro planetary reducer is less than 40dB, which can meet the application regulations of most commodities.
7) Application scenario
The application scenario of planetary reducer motor can basically consider operating at - 30 ℃ - 80 ℃, which can reach most application scenarios.
8) Full load output speed
The output speed of small motor is very high. Just enter the AC voltage. The higher the working voltage, the faster the speed will be. The torque and output speed can be estimated according to the transmission ratio of planetary reducer.

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