Basic test method for coreless motor

In general, the hollow cup motor purchased from the supplier can only be used after the product has been tested before it is put into production. The general operating procedure of a hollow cup motor tester.

1, we have to detect the motor speed

In the actual operation, we should first check whether the M3 indicator is displayed in the corresponding state according to whether the motor to be tested is a three-pole or a five-pole DC motor. In addition, if the M0 mode is selected, it should be noted that the allowable deviation value is up and down symmetrical and The intermediate value of the upper and lower limits should reflect the typical value of this model;

Basic test method for hollow cup motor

2, we also need insulation resistance detection

Insert the red and black detection lines into the red and black holes of the insulation detection. The clip is connected to the outer casing of the motor and one pole of the motor to see if the insulation over-limit indicator is bright.

3, the waveform output display

The oscilloscope signal line is connected to the waveform output terminal and the signal input terminal of the oscilloscope respectively. The oscilloscope can be adjusted to observe the current waveform of the motor. In general, with this oscilloscope, it is impossible to detect the amount of pulsation of the hollow cup motor, and it is not possible to detect the internal resistance of the motor when the amount of turbulence (axial) is maximum.

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