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5 points of knowledge necessary for the maintenance of the electrical part of the injection molding machine：
(1). Inspection of terminals of thin-wall injection molding machine
Cables that are not tightened on the connector will cause high temperature at the connector part or cause flame damage. Poor connector will also endanger the transmission of data signals; the connector on the AC contactor will be easily loosened due to the vibration of the electromagnetic induction posture. Therefore, it is necessary to periodically check the line connection head position and tighten it.
(2). Thin-wall injection molding machine motor
Generally, the motors are all evaporative cooling type. The accumulation of floating dust will make the heat pipe difficult to dissipate. Therefore, it is cleaned on time every year. Generally, there is a motor load disconnector in the power circuit. The limit current of the protector is adjustable. Appropriate selection should be made according to the rated power of the motor. In addition, once the over-current protector is activated, it should be clearly checked whether it is under-phase, poor contact, or high water temperature before pressing the return position switch.
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