Buke motor - stepper servo drive as soon as it moves, what is the reason for the alarm

Create Date: 2024-8-30 12:03:23|Source: Kinco/Buko

First, the common causes of such faults caused by mechanical oscillation (acceleration/deceleration) when the motor is powered on are:

(1) The pulse encoder is faulty. At this time, the servo system should be checked whether it is stable, whether the circuit board maintenance detection current is stable, and at the same time, whether the voltage on the feedback line terminal of the speed detection unit drops at some points, if there is a drop, the pulse encoder is bad, and the encoder is replaced;

(2) The cross coupling of the pulse encoder may be damaged, resulting in the shaft speed being out of sync with the detected speed, and the coupling should be replaced;

(3) The tachogenerator is faulty. Repair, replacement of the speed tester. In the maintenance practice, the speed measuring machine brush is worn and there are many jamming faults, so the brush of the speed measuring machine should be removed, sanded with sandpaper a few times, and the dirt of the commutator should be cleaned at the same time, and then reinstalled.

Second, the motor is powered on, and the mechanical movement is abnormally fast (flying car) This kind of servo system failure occurs, and the position control unit and speed control unit should be checked at the same time, and the following should also be checked:

(1) Whether the wiring of the pulse encoder is wrong;

(2) Whether the coupling of the pulse encoder is damaged;

(3) Check whether the tachogenerator terminal is reversed and whether the excitation signal line is wrong. Generally, this kind of phenomenon should be handled by a professional circuit board repair technician, otherwise it may cause more serious consequences.
Buke motor - stepper servo drive as soon as it moves, what is the reason for the alarm

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