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Correct methods of maintaining brushless dc gear motor

2018-11-29 15:38:03
Correct methods of maintaining brushless dc gear motor

This paper briefly introduces the maintenance method of brushless DC gear motor.

(1)Before disassembly, with compressed air blow off the motor surface dust,and wipe the surface dirt thoroughly.
(2)Selection of workplace for motor break-up,clean up the environment at the scene.
(3)Be familiar with the structure features and technical maintenance requirements.
(4) Ready to collapse the required tools and equipment (including special tools).
(5)In order to further understand the defects in motor operation, made a check test before disassembly. For this reason, test the motor at rate load, checking the temperature, sound and vibration of each part of the motor in detail, and testing the voltage, current, rotational speed, etc., then disconnect the load, and do a single no-load inspection test. Measure the no-load current and no-load loss and make a record.
(6)Cut off the power supply, demolish deceleration motor wiring and record.
(7)The absorption ratio K.When the absorption ratio is greater than 1.33, it shows that the insulation of the motor is not dampened or the degree of dampness is not serious. In order to compare with previous data, at any temperature must also be converted to the same temperature,then measure the absorption ratio.


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