diamond grinding cup wheels hardness of their choice.

Wheel hardness refers to the degree of difficulty of the abrasive wheel on a surface under the force of the grinding off. abrasives grinding wheels hardness of soft, easy to fall off, said abrasive wheel, the hardness of the wheel hard, said abrasive difficult to fall off. The hardness of the abrasive wheel and the hardness are two different concepts. With an abrasive wheel may be made of different hardness, which is mainly determined by the properties of the binding agent, the number of manufacturing processes and the grinding wheel. Significant differences between the grindingcbn wheels grinding and the cutting is having a "self-sharpening", select the hardness of the wheel, in fact, is to choose self-sharpening wheel, sharp abrasive particles also do not want to come off too early, and do not blunt the less shedding .