Functional Characteristics Of Carbon Brushes

The function of carbon brush is mainly to conduct electricity while rubbing against metal, and it is not the same as when metal is rubbing against metal; When metal-to-metal friction conducts electricity, the friction force may increase, and the junction may be sintered together; Carbon brushes, on the other hand, do not, because carbon and metal are two different elements. Most of its uses are used in motors, and there are various shapes, such as square and round. Carbon brushes are suitable for all kinds of motors, generators, axle machines. It has good commutation performance and long service life. Carbon brush is used on the commutator or slip ring of the motor, as a sliding contact to export the induced current, it has good electrical conductivity, thermal conductivity and lubrication properties, and has a certain mechanical strength and commutation spark instinct. Almost all motors use carbon brushes, which are an important component of the motor. It is widely used in all kinds of AC and DC generators, synchronous motors, battery DC motors, crane motor collector rings, various types of welding machines and so on. With the development of science and technology, the types of motors and the working conditions used are becoming more and more diverse