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Working principle of brake motor
- Categories:Industry news
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- Time of issue:2020-07-21 17:52
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(Summary description)The brake motor is also called a brake asynchronous motor or an electromagnetic power-loss brake motor. It is a self-fan-cooled, fully enclosed, squirrel-cage asynchronous motor with an additional DC electromagnet brake. Now in the market, brake motors can be mainly divided into Taiwan brake motors, domestic YEJ series brake motors, European and American brake motors, imported brake motors and ABB brake motors.
Working principle of brake motor
(Summary description)The brake motor is also called a brake asynchronous motor or an electromagnetic power-loss brake motor. It is a self-fan-cooled, fully enclosed, squirrel-cage asynchronous motor with an additional DC electromagnet brake. Now in the market, brake motors can be mainly divided into Taiwan brake motors, domestic YEJ series brake motors, European and American brake motors, imported brake motors and ABB brake motors.
- Categories:Industry news
- Author:
- Origin:
- Time of issue:2020-07-21 17:52
- Views:
The brake motor is also called a brake asynchronous motor or an electromagnetic power-loss brake motor. It is a self-fan-cooled, fully enclosed, squirrel-cage asynchronous motor with an additional DC electromagnet brake. Now in the market, brake motors can be mainly divided into Taiwan brake motors, domestic YEJ series brake motors, European and American brake motors, imported brake motors and ABB brake motors.
Generally speaking, there is an electromagnetic holding brake at the tail of the brake motor. Its working principle is that when the motor is energized, the DC current of the coil generates suction and separates the two friction surfaces of the tail to realize the free rotation of the motor. Otherwise, it will be restored by the spring force. Let the motor brake. When the motor is energized, it also energizes and pulls in. At this time, it does not brake the motor. When the motor is powered off, it is also powered off. The holding brake brakes the motor under the action of the spring, thereby realizing the main function of the brake motor.
The brake motor and the motor input 380 volt AC power synchronously. Two of the wires connect the two AC input ends of a rectifier full bridge to the two DC output ends of the motor. The coil resistance of the brake excitation coil depends on the motor power. Between ten and a few hundred euros.
The electromagnetic brake of the brake motor The DC disc brake of the motor is generally installed on the end cover of the non-shaft extension end of the motor. When the brake motor is connected to the power supply, the brake will also start to work. The electromagnet attracts the armature and compresses the spring due to the electromagnetic attraction force. At this time, the brake disc will be disengaged from the armature end cover, and the motor will start to run immediately. If the power is cut off, the brake electromagnet will lose its magnetic attraction, and the spring will push the armature to press against the brake disc. Under the action of the frictional torque, the motor of the brake motor will immediately stop running.
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