Company News & Updates

Why do high-voltage motors use a three-bearing structure?

As a high-power device, the design and configuration of the bearing system of a high-voltage motor is crucial to ensure the stable operation, load-bearing capacity and life of the motor. The design of the bearing structure is carefully planned based on these requirements.The following is a det

Failure phenomena and causes of DC motors

As an important type of motor, DC motors are widely used in various fields. It is often used to drive industrial plants, automobiles, ships, aircraft, etc., and is an indispensable part of modern social production and life. However, like any machine, DC motors may also cause failures, resulting in d

Motor phase failure case analysis

Characteristics of motor phase lossThe specific manifestations of motor phase loss are increased vibration, abnormal noise, increased temperature, decreased speed, increased current, strong humming sound when starting and inability to start. The cause of motor phase loss is the power supply itself o

Principle and usage of motor shaft current measuring instrument

The principle of the motor shaft current meter is to use the Hall effect to detect the current of the motor shaft. The Hall effect is an electrical effect based on a magnetic field. It can convert the change of the magnetic field into a voltage signal to achieve the measurement of the current. The m

Manufacturing and working principle of fan motor rotor

1. Manufacturing of fan motor rotorsThe manufacturing of fan motor rotors requires multiple steps, including design, casting, machining and assembly.1. DesignFirst, design is required to determine the size, material, shape and other parameters of the rotor. The design must take into account the use

How to eliminate the grounding fault of the motor winding

To eliminate the grounding fault of the motor windingFirst, observe the damage of the winding. Except for the insulation that has aged and become brittle, it can be repaired locally.If the grounding point is at the outlet of the notch or the bottom of the slot coil, and only one wire is damaged, the

Common causes of abnormal noise in motor bearings

Common causes of abnormal noise in bearings:1. Impurities such as sand or carbon particles are mixed into the bearing, acting as abrasives;2. Impurities such as water, acids or paint are mixed into the bearing, acting as corrosives;3. The clearance of the bearing is too small (improper matching);4.

Motor Vibration Test Methods

1. Causes of motor vibrationBefore understanding how to measure motor vibration, you first need to understand the causes of motor vibration. Motor vibration is usually caused by the following reasons:1. The internal structure of the motor is loose or severely worn2. The motor bearing is worn or dama

What is the difference between a synchronous motor and an asynchronous motor?

The main differences between synchronous motors and asynchronous motors include starting mode, working principle, speed control, power factor, overload characteristics, application range, structural complexity and other aspectsLet's explain the differences in each aspect one by one:Starting mode

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