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    • Overview:

      Always keep the motor clean. When the motor is in motion, always keep the air inlet clean.Dust, water stains, oil stains and other debris are not allowed within at least 3m around the air inlet to prevent being sucked into the motor.If these dust, oil, water...

    [2021-07-13]
    • Overview:

      After the motor is disassembled after disassembly, the stator and rotor should be inspected and cleaned as follows. ① Use compressed air or leather tiger to clean the dust on the stator and rotor. ②Wipe the oil tower and dirt on the coil with a clean cloth dipped in alcohol or carbon tetrachloride solution...

    [2021-07-13]
    • Overview:

      1 The power-off method uses the characteristics of electromagnetic noise that varies with the strength of the magnetic field, the size of the load current, and the level of conversion. After listening to the motor running at no load for a period of time, the power supply is suddenly cut off. As the power supply is cut off, the noise will disappear immediately. It is electromagnetic noise.stop...

    [2021-07-12]
    • Overview:

      It is often necessary to disassemble the motor when inspecting and repairing the motor. Improper disassembly will damage the motor.Therefore, motor maintenance personnel must master the correct disassembly and assembly of the motor technology.The following steps should be followed when disassembling the motor: ①Remove all external wiring and mark each line...

    [2021-07-12]
    • Overview:

      1. Factors affecting production efficiency 2. The sales department missed an order 3. The order has only a delivery date, and the processing start date is not set 4. There are too many urgent orders or temporary orders, and the production plan is frequently changed 5. The production workshop machine and mold failure , Long maintenance time XNUMX. Production process...

    [2021-07-11]
    • Overview:

      XNUMX. Whether the capacitor is short-circuited. If the fault is a single-phase motor, it is likely that the capacity of the running capacitor has become smaller or there is a slight short-circuit phenomenon.In addition to measuring with a multimeter to determine whether the capacitor is short-circuited, you can also touch the capacitor by hand: if the temperature is very...

    [2021-07-11]
    • Overview:

      The high temperature of motor bearings is mainly due to the following reasons: 1. The brand of grease is not suitable. 2. Lubricating grease is of poor quality or deteriorated. 3. Too much or too little grease in the bearing cavity. 4. There are sundries in the grease. 5. The bearing runs on the outer ring or the inner ring. 6. Bearing...

    [2021-07-10]
    • Overview:

      1. Disconnect the motor from the load, test the motor empty, and check the vibration value. 2. Check the vibration value of the motor foot. According to the national standard GB10068-2006, the vibration value of the foot plate shall not be greater than 25% of the corresponding position of the bearing. If it exceeds this value, the motor foundation is not a rigid foundation...

    [2021-07-10]
    • Overview:

      The low insulation resistance of the motor is mainly caused by two aspects: 1. The motor is not used for a long time and placed in a humid and unventilated environment. The insulation is easy to be damp. After being damp, the volume resistance of the winding, especially the surface resistance, decreases a lot, resulting in the measured value. The insulation resistance is very...

    [2021-07-09]
    • Overview:

      In practical applications, it is normal for the three-phase current of the motor to have deviations; but if the three-phase currents have a large deviation, it is necessary to find out the reason.The national standard document GB 8680.1-1998 stipulates that the current unbalance of a three-phase motor shall not exceed 10%.The motor current is unbalanced, maybe...

    [2021-07-09]
    • Overview:

      After contacting many customers who buy motors, I collected some questions and related answers from the technology that customers usually ask.Maybe you will also encounter this kind of confusion when using or replacing motors.There are a few keywords when buying a motor...

    [2021-07-08]
    • Overview:

      1. The difference in structure: 2. Higher insulation level requirements. Generally, the insulation level of variable frequency motors is F or higher. Strengthen the insulation to the ground and the insulation strength of the turns, especially considering the ability of the insulation to withstand impulse voltage. XNUMX. The vibration and noise requirements of variable frequency motors are higher...

    [2021-07-08]
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