Abrasive is used for grinding, lapping and polishing tools. Most of the tools are made of artificial abrasives abrasive and bond, also natural ore processing directly into natural abrasives. Abrasive in machinery manufacture and other metal is widely used in the processing industry, is also used in paper industry and food processing, ceramics, glass, stone, plastic, rubber, wood and other non-metallic materials processing.
Tools used in the process, when the abrasive wear,, due to the partial disintegration or abrasive bond breaks, partially or completely detached on the abrasive from the abrasive, abrasives abrasive constantly appear on the face of the new cutting edge, or continue to reveal new sharp abrasive, abrasive in a certain period to maintain cutting performance. This self-sharpening abrasives are abrasive and cutting tools than striking features.