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Category Cars
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Created 2018-10-20
Owner juniperqq
Title Dressing technology of grinding wheel
Description Under the action of friction and extrusion, the edges and corners of the high efficient metal abrasive disc become blunt gradually, or when grinding tough materials, the debris is often embedded in the pores on the surface of the grinding wheels, so that the surface of the grinding wheels is blocked, and finally the cutting ability of the grinding wheels is lost. At this time, there will be a slippage between the high efficient metal abrasive disc and the workpiece and may cause vibration and noise, so that the grinding efficiency will be reduced, the surface roughness will become worse.   At the same time, because of the increase of grinding force and grinding heat, workpiece deformation and grinding accuracy will be affected, the serious grinding surface will appear burnt and small cracks. In addition, because of the uneven hardness of the highly efficient metal abrasive disc and the different working conditions of the abrasive, the abrasive wear on the working surface of the grinding wheel is uneven, and the number of abrasive particles in different parts is different, resulting in the loss of the shape accuracy of the grinding wheel, affecting the shape accuracy and roughness of the workpiece surface.   Wheels must be trimmed to remove a layer of abrasive, so that the surface of the grinding wheel is exposed again to smooth sharp abrasive grains, in order to restore the cutting ability and profile accuracy of the highly efficient metal abrasive disc.
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