What are the common electrical faults and solutions for motor motor rotor automatic core punching machine?
Motor motor rotor automatic core punching machine in the operation process may encounter some electrical faults, the following are some common faults and their solutions:
一、 Common electrical faults
1. Motor does not start
Reason: power supply is not connected, overload protector tripped, control circuit failure.
Solution: Check whether the power supply is normal, reset the overload protector, and check whether the wiring and components of the control circuit are normal.
2. Motor rattling
Cause: Worn bearings, small clearance between rotor and stator, improper installation.
Solution: Check the internal parts of the motor, replace the bearings if necessary, and adjust the clearance between the rotor and stator.
3. Motor overheating
Cause: Overload, poor ventilation, high ambient temperature.
Solution: Check whether the load exceeds the rated value of the motor, make sure the motor is well ventilated, and improve the ambient temperature if necessary.
4. Abnormal current
Cause: Short circuit, ground fault, phase imbalance.
Solution: Check whether the motor winding is short-circuited or grounded, measure the phase current, and make sure that the phase current is balanced.
5. Control system failure
Cause: sensor failure, PLC program error, signal interference.
Solution: Check whether the sensor is working properly, debug the PLC program, remove the source of signal interference.
6. Starting difficulties
Reason: insufficient voltage, excessive starting current, mechanical jamming.
Solution: Check the power supply voltage to ensure that it is within the normal range, and check whether the mechanical part has any stagnation phenomenon.
7. Frequent tripping
Reason: current overload, short circuit, equipment aging.
Solution: check the load condition, troubleshoot short-circuit faults, regular maintenance and replacement of aging equipment.
二、 Preventive measures
Conduct regular inspection and maintenance of electrical equipment.
Ensure that the electrical connections are firm to avoid loosening and aging.
Use suitable protection devices, such as overload protection, short circuit protection, etc..
Carry out rational design of the electrical system to avoid overload and imbalance.
By investigating and solving the above faults, the stability and reliability of the motor motor rotor automatic core punching machine can be effectively improved.
※ If you still can't solve the faults of this equipment through the above ways and means, please contact the technical specialist of Xinhui Mechanical and Electrical Equipment Co.
三、Case
When using automatic core punching machine for core punching, a factory often encounters the situation that the machine suddenly stops working, which seriously affects the production efficiency and product quality. The technicians of the factory inspected the machine several times, but they were never able to determine the cause of the malfunction. In a video communication, we found that the problem lies in the servo motor of the core punching machine.
After careful observation and discussion, we found that the cooling fan of the servo motor was full of dust, causing the motor to overheat, which in turn triggered the overheating protection mechanism, making the machine stop working. During the video call, how to safely disassemble the fan, clean the dust, and check the motor's cooling system.
After less than 15 minutes of communication, the fan and motor heat sinks were successfully cleaned to ensure good ventilation and heat dissipation. In addition, the factory was advised to maintain and clean all motors on a regular basis to prevent similar problems from recurring.
Through this experience, the factory realized the importance of regular maintenance and cleaning of electrical equipment. A regular maintenance program was given to them, which included cleaning motors, checking wire connections, lubricating moving parts, etc., to ensure that all equipment was operating at its best. Since implementing these measures, the plant's automatic core punching machines have never experienced similar failures, and productivity and product quality have improved significantly.
