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Wuxi Truckrun Motor Co.,Ltd
Add:No. 59,Hongchang Road, Hongshan Street, Xinwu District, Wuxi City, Jiangsu Province, China
Tel:+86-510-85985019
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Aug 16, 2018

Comparison of brushed motor and brushless motor

The difference between the brushing motor and the brushless motor is that the brush motor is mechanically commutated by the carbon brush and the commutator, and the brushless motor is electronically commutated by the controller by the Hall element sensing signal.


Brushed motors and brushless motors have different energization principles and their internal structures are different. For the hub type motor, the output mode of the motor torque (whether it is decelerated by the gear reduction mechanism) is different, and the mechanical structure is also different.


1. The internal mechanical structure of common high speed brushed motors. The hub type motor is composed of a built-in high speed brush motor core, a reduction gear set, an overrunning clutch, a hub end cover and the like. The high speed brushed geared hub motor belongs to the inner rotor motor.


2. The internal mechanical structure of common low speed brushed motors. The hub type motor is composed of a carbon brush, a phase changer, a motor rotor, a motor stator, a motor shaft, a motor end cover, a bearing and the like. The low speed brushless gearless hub motor belongs to the outer rotor motor.


3. The internal mechanical structure of common high speed brushless motors. The hub type motor is composed of a built-in high speed brushless motor core, a planetary friction roller, an overload clutch, an output flange, an end cover, a hub shell and the like. The high speed brushless geared hub motor is an inner rotor motor.


4. The internal mechanical structure of common low-speed brushless motors. The hub type motor is composed of a motor rotor, a motor stator, a motor shaft, a motor end cover, a bearing and the like. The low speed brushless gearless hub motor belongs to the outer rotor motor.