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    • Overview:

      Motor bearing, also known as motor bearing or motor bearing, is a kind of special bearing specially applied to motor or motor.The bearing used by the motor is a part that supports the shaft. It can guide the rotation of the shaft and can also withstand the idling parts on the shaft.Electricity...

    [2021-07-07]
    • Overview:

      Shaft-broken motor shaft breakage occurs mostly at the root of the shaft extension and the root of the shaft extension end bearing position.If the motor has a shaft fracture, the shaft fracture surface should be macroscopically observed and microscopically analyzed to find out the location of the fracture crack source and the cause, and fundamentally...

    [2021-07-07]
    • Overview:

      The aging of the motor will cause many problems. The phenomenon reflected is generally that the heat generation of the motor is increased, the efficiency of the motor itself is reduced, and the operating current of the motor increases.There are several types of aging: motor insulation aging, motor mechanical aging.The aging of the motor insulation will cause...

    [2021-07-06]
    • Overview:

      1. The motor cannot rotate after power-on, but there is no abnormal sound, no odor or smoke. 2. The cause of the fault: The power supply is not connected (at least two phases are not connected), the fuse is blown (at least two phases are blown), the overcurrent relay is adjusted too small Control device wiring error XNUMX. Troubleshooting check the power circuit...

    [2021-07-06]
    • Overview:

      First of all, it should be judged whether it is caused by mechanical or electrical reasons.The method is: connect the power supply, if there is abnormal sound, cut off the power supply, and the abnormal sound still exists, it is a mechanical failure; otherwise, it is an electrical failure.I. Different sound farmers caused by mechanical failure...

    [2021-07-05]
    • Overview:

      The difference between a permanent magnet synchronous motor and a three-phase asynchronous motor The biggest difference between a permanent magnet synchronous motor and an asynchronous motor is whether the rotor speed of the two is consistent with the magnetic field speed of the stator rotation.If the speed of the rotor is the same as the speed of the stator, it is called the same...

    [2021-07-05]
    • Overview:

      The connection method we use for the motor is related to the operating current, and when the cross-sectional area of ​​the internal winding of the motor is fixed, the delta connection method is used for high voltage, and the star connection method is low voltage.Usually, high-power motors use delta connection...

    [2021-07-04]
    • Overview:

      The permanent magnet synchronous motor has a higher power/mass ratio, smaller size, lighter weight and larger output torque than other types of motors, and the motor's limiting speed and braking performance are also excellent.Therefore, permanent magnet synchronous motors have become today...

    [2021-07-04]
    • Overview:

      How is the power of a permanent magnet synchronous motor generated? Compared with an asynchronous motor, what is the difference in the way that a permanent magnet synchronous motor generates power? This time, I will take you to answer one by one.In an AC asynchronous motor, the formation of the rotor magnetic field is divided into two steps...

    [2021-07-02]
    • Overview:

      The components of the permanent magnet synchronous motor: stator, permanent magnet steel rotor, position sensor, electronic reversing switch, etc.Permanent magnet synchronous motors have the advantages of simple structure, small size and light weight. , Small loss, high efficiency, high power factor, etc.It is mainly used to...

    [2021-07-02]
    • Overview:

      The first is the simplest test.Screw the motor out of the shaft by hand.As long as the permanent magnet synchronous motor is not too big or a special motor, it can be twisted by hand.Under normal circumstances, it can be tightened with one hand for several hundred watts. Even if tightened, the normal motor power...

    [2021-06-30]
    • Overview:

      Elevator motors usually use permanent magnet synchronous motors. This is mainly because the advantages of permanent magnet synchronous motors are easy to make low speed and high power.It has a compact structure and complete functions.It integrates traction motor, traction wheel, electromagnetic brake and photoelectric...

    [2021-06-30]
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