Cause of Servo Motor Failure – Delta

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

1. The motor is broken shaft

1. The cause of the problem

(1) Unreasonable mechanical design leads to excessive radial load force;

(2) The load end is stuck or severely overloaded;

(3) The motor and reducer are not centered when installed.

2. Eliminate problems

(1) Check the maximum radial load force that can be borne in the motor sample and improve the mechanical design;

(2) Check the operation of the load end, confirm the actual process requirements and improve them;

(3) Check whether the load operation is stable, whether there is vibration, and improve the mechanical installation accuracy.

                               Cause of Servo Motor Failure – Delta

Second, the no-load current of the motor is unbalanced, and the three-phase difference is large

1. The cause of the problem

(1) The end of the winding is wrongly connected;

(2) The power supply voltage is unbalanced;

(3) There are problems such as inter-turn short circuit and reverse coil connection in the winding.

2. Eliminate problems

(1) Inspect and correct;

(2) Measure the power supply voltage and try to eliminate the imbalance;

(3) Eliminate winding problems.

3. When the motor is running, the sound is abnormal and there is abnormal noise

1. The cause of the problem

(1) The bearing is worn or there are foreign substances such as sand particles in the oil;

(2) The rotor core is loose;

(3) Lack of oil in the bearing;

(4) The power supply voltage is too high or unbalanced.

2. Eliminate problems

(1) Replace bearings or clean bearings;

(2) Overhaul the rotor core;

(3) Refueling;

(4) Check and adjust the power supply voltage

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