Estun servo motor - six common faults and solutions for servo motors

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

1. The motor temperature is too high or the smoke is faulty

Cause:

1. Excessive load

2. Two-phase operation

3. Air duct obstruction

4. The ambient temperature increases

5. Stator windings are short-circuited between phases or turns

6. Stator winding grounding

7. The power supply voltage is too high or too low

Repair method:

1. Lighten the load or pick a high-capacity motor

2. Clear the air duct

3. Adopt cooling methods

4. Use a multimeter and voltmeter to check the power supply voltage at the input terminal

Second, the motor has a live shell and the motor is faulty

Cause:

The winding is damp, the insulation is aging, or the lead wire collides with the junction box shell;

Repair method:

Corresponding motor repair methods: drying, replacement winding;

3. Motor vibration motor faults

Cause:

1. The rotor is unbalanced

2. Shaft bending

3. The belt pulley is unbalanced

4. Unilateral magnetic pull occurs when the air gap is uneven

Repair method:

1. Proofread dynamic balance

2. When the straightening shaft or replacement shaft is not seriously bent, it can be turned to 1-2mm, and then equipped with a sleeve

3. Proofreading balance

4. Adjust from scratch

Fourth, the current three-phase unbalanced motor problem

Cause:

1. The power supply voltage is seriously insufficient

2. The number of three-phase turns is unequal

3. Wrong internal wiring

Repair method:

1. Check the power supply voltage

2. Replace the motor or handle

3. Correct the wiring

Fifth, the no-load current is too large and the motor is faulty

Cause:

1. The stator and rotor have a large air gap

2. The number of turns of the stator winding is too small

3. Improper assembly

Repair method:

1. Adjust and reduce

2. Verify and wrap from the beginning

3. Assemble from scratch

Sixth, the insulation resistance reduces the motor fault

Cause:

1. The stator is damp;

2. Too much dust;

3. Insulation damage;

4. Insulation aging;

Repair method:

1. Drainage and damp removal;

2. Sort out the accumulated dust;

3. Repair;

4. Replacement;

Estun servo motor - six common faults and solutions for servo motors

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