Answer: (1) Electric motor overheated
The reasons for overheating the main axis of the mold processing center are too large loads. The electric motor cooling system is too dirty, the electric motor cooling fan is damaged and the links between the motor and the control unit are poor.
(2) Moom processing center's main axis motor does not turn or cannot reach normal speed speed
The possible causes of such faults are abnormal instructions (if there are alarm can be treated according to the alarm content), the spindle motor cannot be started (it may be related to poor installation of sensors used in the spindle orientation control).
(3) The insurance of the AC input circuit of the mold processing center is lost
The causes of such faults are mostly too high impedance on the side of the AC power supply (for example, on the power supply side self -loquat transformer instead of isolation transformers), the surge absorber damage at the input of the AC power supply Or control the printed line board of the unit.
(4) The insurance burning of the regenerative circuit
(5) The main axis of the mold processing center has abnormal restlessness and vibration
This type of failure should be checked and confirmed. If it occurs during the deceleration, the fault occurs in the regeneration circuit. At this time, check whether the fuse at the loop and whether the transistor is damaged. If it is generated at a constant speed, check whether the feedback voltage is normal, and then suddenly cut off the instruction to observe whether there is no noise during the motor's stop rotation. If the feedback voltage is abnormal, you need to check whether the vibration cycle is related to speed. If it is related, the main axis and the main axis motor link should be checked, and the pulse generator of the main axis and the tail of the main axis electric motor; if it is not related, it may be that it may be Printing line boards are not well adjusted or bad, or mechanical failures. This is mainly caused by the acceleration or deceleration frequency of the spindle motor.
