How to repair the abnormal heat of the motor?
A: The method of maintenance and repair is generally to replace the motor or to perform maintenance.
★When the no-load current of the motor is greater than the limit data of the reference meter, it indicates that the motor has a fault. What are the causes? How to repair?
Answer: Click on the internal mechanical friction; the coil is partially short-circuited; the magnetic steel is demagnetized; the DC motor commutator is carbon. The maintenance method is generally to replace the motor, or replace the carbon brush to clean the carbon deposit.
★ What is the maximum limit no-load current of various motors?
When the rated voltage of the motor is 24V, the rated voltage is 36V.
Side-mounted motor 2.2A1.8A
High speed brush motor 1.7A1.0A
Low speed brush motor 1.0A0.6A
High speed brushless motor 1.7A1.0A
Low speed brushless motor 1.0A0.6A
★How is the motor idle current measured?
A: Place the multimeter in the 20A position and connect the red and black watch to the power input of the controller. When the power is turned on and the motor does not turn, record the maximum current A1 of the multimeter at this time. Turn the handle to make the motor rotate at high speed and no load for more than 10s. After waiting for the motor speed to stabilize, start observing and recording the maximum value A2 of the multimeter at this time. Motor no-load current = A2-A1.
