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What Material Of The Power Tools Carbon Brush Wear Resistance Strong?

Aug 30, 2017

What material of the Power Tools Carbon Brush wear resistance strong?
 What kind of material Power Tools Carbon Brush wear resistance? Power Tools Carbon Brush also called brush According to the brush production methods, divided into two categories: one is colored brushes, that is, metal graphite brush, the other is black Brush. Colored brushes, containing non-ferrous metals, mainly copper powder, silver powder, followed by lead powder, tin powder, lead oxide powder, the balance for the flake graphite powder. How much of the metal powder content depends on the technical requirements of the brush. Most of the brush material is made of graphite, in order to increase the conductivity, there are made of copper-containing graphite, graphite has a good electrical conductivity, soft texture and wear.
A tool for transferring energy or signals between a fixed part of a motor or generator or other rotating machine. It is usually made of pure carbon and coagulant. The exterior is usually a square and is stuck on a metal bracket. , There is a spring to press it on the shaft, the motor rotation, the power through the inverter delivery to the coil, because its main component is carbon, known as the power tool carbon brush, it is easy to wear. Should be regularly replaced and clean up the carbon.
Power Tools Carbon Brush is used to run you know? Power tool carbon brush is a DC motor or winding motor to the rotor conductive device, can only be passed through it to the rotor up, the role in the motor is to change the current direction points DC motor and AC motor, DC motor is to change the rotor's conductive coil, thus changing the rotor pole. Thereby changing the movement of the motor. Because the Power Tools Carbon Brush is relatively soft, and wear, smooth, not easy to play spark. Conductive performance Ye Hao, not easy to oxidation, deterioration, deformation. So it is generally used for conductive contact surface.
Power Tools Carbon Brush running in three ways are natural running, manual running, the tool running. Power tool carbon brush friction surface and the friction surface of the rotating parts to be completely, the current transmission will be uniform. If you do not run the work, the motor will run when there are sparks. The way to run is as follows:
Natural running:
After the power tool carbon brush is installed, start the motor running in the case of no load, so that the natural running (about 0.5-3 hours, depending on the size of the different circumstances).
    The role of the carbon brush in the work of the oil mine: the Power Tools Carbon Brush is the device that transfers energy or signals between the fixed part of the motor or generator or other rotating machinery. It is usually a pure carbon plus coagulant Made, the appearance is generally box, stuck in the metal bracket, there is a spring to press it on the shaft, such as oil drilling is completed, the need for testing, it is necessary to put the instrument from the wellbore down, that is, through the Power Tools Carbon Brush The signal is sent from the rotating part (cable drum of the outer wire) to the ground instrument.
     The lookout of the Power Tools Carbon Brush is like a rubber band with a pencil pencil. The volume is very small. The circular bearing can be slid in the large bar.With the structure of the Power Tools Carbon Brush is to keep the brush part of the Power Tools Carbon Brush in the prescribed position, press the Power Tools Carbon Brush with the appropriate pressure to prevent the Power Tools Carbon Brush vibration , A frame portion connecting the brush box and the pressing portion, and a fixing portion for fixing the brush holder to the motor. Electric tools are mainly used bronze castings, aluminum castings and other synthetic materials. Requirements Brush itself has good mechanical strength, processing performance, corrosion resistance, thermal performance and electrical conductivity.
Power Tools Carbon Brush and the collection ring maintenance protection Summary: The collector ring should be kept clean, roughness Road Ra0.80μm, eccentricity error can not exceed 0.04mm. Run time to adjust the generator Power Tools Carbon Brush the average flow And the temperature, the operation can not check the generator are the flow and temperature, maintenance personnel check the daily flow and temperature, found abnormal and failed to deal with in time, stressed that when there is equal flow when the correct way to deal with, to avoid processing methods Improperly causing secondary disasters.
     In order to adjust and check the Power Tools Carbon Brush spring pressure in a timely manner, keep the spring pressure even too tight or loose, adjust the gap between the Power Tools Carbon Brush and the brush box, make the Power Tools Carbon Brush flexible in the brush box Astringent phenomenon. Accurately adjust the distance between the brush box and the collector ring should be kept between 2 ~ 3mm. The distance is too small, the cartridge is easy to wear the surface of the collector ring; the distance is too large to cause the Power Tools Carbon Brush to swing or run.