The repair and maintain of grinding wheel

During grinding abrasive wheel in friction, compression, its rounded edges and gradually becomes dull, or when grinding ductile materials, debris often impaction in the pores in the surface of the grinding wheel, grinding wheel surface blockage, Finally, the loss of the grinding wheel cutting ability.

 At this time, it will produce between the grinding wheel and the workpiece slippage, and may cause vibration and noise occur, the grinding efficiency decreases, the surface roughness is deteriorated. At the same time due to the increased grinding force and grinding heat, causing deformation of the workpiece and the precision grinding impact, serious cases will make the surface grinding burns and hairline cracks. In addition, due to the different abrasive grinding wheel hardness unevenness and working conditions, the working surface of the grinding wheel wear is uneven, ranging from various parts of the grain shedding much, resulting in the loss of the wheel shape precision, accuracy and influence the shape of the workpiece surface roughness. Where you encounter this situation, the wheel must be trimmed, cut on the surface layer of abrasive grinding wheel surface re-exposed sharp abrasive finishing, grinding wheel cutting ability to restore and shape accuracy.

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