Issues to be aware of when choosing a brushless motor.
Brushless DC motors have long lifespan, low noise, and high torque, and are widely used in industries such as AI intelligence, automotive, medical equipment, and industrial automation. Due to different specifications and types, it is very important to choose brushless DC motors to meet product performance requirements. Here are several principles for choosing a brushless motor.
1. Specification selection
When the power supply voltage is adjustable, the torque can be selected according to actual needs The specifications of a DC brushless motor with a speed close to the corresponding rated value of the product are obtained by changing the voltage to obtain the required speed; In the case of a fixed power supply voltage, if there is no suitable brushless DC motor, the appropriate specifications can be selected based on the torque, and the voltage and speed of the product can be adjusted appropriately.
2. Power selection
The maximum power output of the motor is limited. If the power selection of the brushless motor is too small and the load exceeds the rated output power, the motor will be overloaded. When overloaded, the motor will heat up, vibrate, and the speed will decrease. When there are abnormal sounds and other phenomena that cause severe overload, they can burn out the motor. Excessive power can cause economic waste. Therefore, it is very important to choose the power of the motor reasonably.
3. Type selection
Priority should be given to high-efficiency, cost-effective, and ferrite permanent magnet DC motors with increased temperature. Only when performance requirements are strict. Small size, aluminum nickel cobalt permanent magnet DC motor or rare earth permanent magnet DC motor should be considered when the ambient temperature is high.
