The brush motor is a kind of motor that drives the rotor to rotate and generate power through the brush, and the "brush" in the motor is also called "carbon brush". Laboratory ultrafine mill is a composite material, there are a variety of powder mixture, after the press molding. Then through the sintering process to make the molecular arrangement more orderly, so that better conduction. The material of the carbon brush is confidential to the carbon brush manufacturer, even if the big customer can not ask the manufacturer to. If there is a problem, the carbon brush factory will help you analyze and solve it, but it still won't tell you the formula. Carbon brushes can generally be divided into two categories: copper (good electrical conductivity, generally used in automotive motors) and non-copper (generally used in household power tools), of course, according to the composition and process can continue to be subdivided. Different components and processes lead to different static properties: resistivity, flexural strength, hardness, density, for applications, the first two properties are key indicators, but the four indicators are closely related.

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