How does the brake motor work

Gear brake motor is a common electromechanical device widely used in automobiles, industrial production, and mechanical equipment. It has an electromagnetic holding brake at the tail of the motor. When the motor is powered on, it is also energized and engaged. 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.

The working principle of a gear reduction motor with a brake is to install a mechanical brake device on the rotor of the motor. When the motor is powered off or the speed drops to a certain degree, the brake device automatically triggers, locking the rotor in a stationary state. This can prevent the motor from suddenly stopping rotating when the power is off or the speed drops, protect the equipment from damage, and improve the braking accuracy and positioning accuracy of the motor. It uses electromagnetic force to generate braking torque, gradually slowing down the moving object to a stop. Its core components are the motor and the braking mechanism. The motor generates torque through electrical signal control to drive the moving object, while the braking mechanism converts the motor's kinetic energy into braking force through the brake and friction device, causing the animal body to stop.

The main workflow of gear brake reducer:

1.When the motor is powered on and starts running, the rotor begins to rotate and the brake pads are released, allowing the motor to rotate freely.

2.When the motor speed reaches the predetermined value, the sensing element of the brake device senses the change in speed and transmits it to the controller of the brake device.

3.When the motor needs to be restarted, the controller will send a signal to the motor driver and also send a signal to the controller of the braking device to release the braking state and allow the motor to rotate freely.

4. The controller determines whether the brake device needs to be triggered based on the preset speed threshold. When the motor speed is below the threshold, the electromagnet of the brake device will attract the brake pad to move, pressing it tightly against the rotor and locking it in a stationary state.

The braking mechanism of a brake motor has various forms, mainly including electromagnetic braking, hydraulic braking, and friction braking. Electromagnetic braking uses the principle of electromagnetic induction to achieve braking effect through electromagnetic force. When braking, the electromagnetic brake is attracted and generates braking torque, which is transmitted to the friction sleeve to achieve braking. Electromagnetic braking has a fast response speed, good braking effect, and stable braking effect during the braking process, so it is widely used.

The gear brake reducer serves as a regulator for the output speed of the motor. The motor usually has a high speed, while some application scenarios require a lower speed. The gear reducer plays a key role. By selecting the appropriate gear combination transmission ratio, the gear reducer can convert the high-speed rotation of the motor into the required low-speed output.

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