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Correlation between motor bore scraping and bearing failure
In the failure cases of motor products, some secondary failures often occur due to a certain failure, such as winding failure caused by bearing system failure, bearing system problems caused by increased winding temperature, etc. Today, we will discuss with you the correlation between bore sweepi...Read More -
Discussion on bearing clearance and configuration
The selection of bearing clearance and configuration is an extremely important part of motor design. If you do not know the performance of the bearing and choose a solution, it is likely to be a failed design. Different operating conditions will have different requirements for bearings. Ms. Shen ...Read More -
A brief discussion on impregnation varnish used in motor winding manufacturing
Impregnation varnish is used to impregnate electrical coils and windings to fill the gaps therein, so that the wires of the coils and the wires and other insulating materials are bonded together to improve the electrical strength, mechanical properties, thermal conductivity and protective propert...Read More -
What should be paid attention to in daily inspection and maintenance of the motor control system?
The control system of the motor is composed of switches, fuses, main and auxiliary contactors, relays, temperature, induction devices, etc., which is relatively complex. There are many kinds of faults, and it is often necessary to analyze and troubleshoot with the help of control schematic diagra...Read More -
Quality failure case analysis: Shaft current is the hacker of the motor bearing system
Shaft current is a major quality killer of variable frequency motors, large motors, high voltage motors and generators, and it is extremely harmful to the motor bearing system. There are many cases of bearing system failures due to inadequate shaft current prevention measures. The characteristics...Read More -
Four performance orientation contradictions faced during motor rotor slot selection!
The shape and size of the rotor slots have a direct impact on the rotor resistance and leakage flux, which in turn will affect the motor’s efficiency, power factor, maximum torque, starting torque and other performance indicators. The performance that is affected is of great importance to m...Read More -
Analysis of common problems in motor rolling bearing systems
Bearing failure is a relatively concentrated type of motor failure, which has a great relationship with the selection, installation and later use and maintenance of bearings. Ms. combined some actual analysis cases and data accumulation to simply classify the failures and causes of rolling bearin...Read More -
Causes of vibration during operation of explosion-proof motors and solutions for motor vibration
Explosion-proof motors are a type of motor that can be used in flammable and explosive plants. They isolate or do not generate sparks during operation. They are mainly used in coal mines, oil and gas, petrochemicals and chemical industries. In addition, they are also widely used in textile, metal...Read More -
Introduction to Motor Efficiency
How to improve motor efficiency? This efficiency of the motor is affected by a small amount of losses, including resistance losses, mechanical losses caused by friction, losses caused by the dissipation of magnetic energy in the core, and different losses depending on the type of material used. ...Read More -
Main explosion-proof ways and methods for mining explosion-proof electrical equipment
1. Install protective casing The underground environment of coal mines is complex. Not only are various production materials piled up, but there may also be gas. If arcs and sparks are generated during the operation of electrical equipment for various reasons, fires and explosions may occur. A p...Read More -
Precautions for the use of electrical equipment in coal mines
1. Products related to safe production used in coal mines must obtain the safety mark for coal mine products. Products that have not obtained the safety mark for coal mine products shall not be used. 2. Ordinary portable electrical measuring instruments must be used in places where the gas concen...Read More -
Why is the vibration sensor so important to the motor? What is its principle?
The vibration sensor is one of the key components in the testing technology. It has the advantages of low cost, high sensitivity, stable and reliable operation, and a large adjustable range of vibration detection. It is widely used in many fields such as energy, chemical industry, medicine, autom...Read More
