Carbon brush, also known as electric brush, as a sliding contact, has been widely used in many electrical equipments. Due to materials used in the application, carbon brush materials are mainly devided into few types: metal graphite, silver graphite, pure graphite, resin graphite, electric graphite. Carbon brush is the devices which transmit energy or signal for the motors or generators or other rotating machinery fixed and rotating parts, it is generally made of pure carbon plus coagulant, shape is usually blocks or plates, stuck in the metal bracket, which there is a spring to squeeze it in the shaft. When the motor rotates, the power will be sent to the coil through the commutator, because its main component is carbon, known as the carbon brush. It is easy to wear, So it should be replaced regularly, and clean up the carbon deposition.
Carbon brush is the devices which transmit energy or signal for the motors or generators or other rotating machinery fixed and rotating parts, it is generally made of pure carbon plus coagulant, shape is usually box, stuck in the metal bracket, which There is a spring to squeeze it on the shaft, such as oil drilling is completed, need for testing, it is necessary to put down the instrument from the wellbore, that is, through the carbon brush signal from the rotating part (outsourcing wire cable drum) to ground equipment. Brush looks a bit like a pencil eraser, with a wire leads on the top. The size is usually small. Carbon brush as a sliding contact, has been widely used in many electrical equipment . Products are mainly electrochemical graphite, graphite impregnated, metal (including copper, silver) graphite.
Generator carbon brush, also known as electric brush, because its material is “carbon”, so often referred to as “carbon brush.” The role of carbon brush is the external power generators (usually DC excitation current), slip ring on the slip ring, provided to the rotor winding (field winding). This allows the rotor to rotate, the inflow of DC power from one end of the rotor to keep flowing, so that the generator in a direction of rotation. The carbon brushes are connected to the power supply to supply power to the rotor.
CFCCARBON LTD can produce carbon brushes for motors and generators, wind power generators.. Please see the data sheet of carbon brush materials: Carbon brush materials-motors-generators
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