Industry News & Trends

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

The difference between the star connection and the triangle connection of the motor

In triangle connection: each winding of the three-phase motor bears the line voltage (380V),In star connection: each phase voltage of the motor bears (220V).When the motor power is the same, the winding current of the triangle motor is less than the winding current of the star connection motor.When

How to replace the motor carbon brush

1. Steps to replace motor carbon brushes1. Prepare toolsReplacing motor carbon brushes requires some basic tools, such as wrenches, screwdrivers, pliers, brushes, etc. Before starting the replacement, make sure you have these tools ready.2. Disassemble the motorFirst, you need to disassemble the mot

How can the motor shaft wear be repaired?

1. Wear of the motor shaft bearing, wear of the motor bearing chamber, and wear of the shaft head keyway.Traditional repair methods: mainly brush plating, spraying, surfacing or replacement. Brush plating is easy to delaminate and the replacement cost is high, which makes it difficult to solve the p

A Brief Analysis of the Most Commonly Used Braking Methods for Three-phase Asynchronous Motors

Mechanical and electrical braking is a method of using a mechanical mechanism to quickly shut down the motor for braking. Electromagnetic braking is a common mechanical brake. Electric braking is used to generate torque in the direction of speed, and the motor decelerates quickly. Generally speaking

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