(2)The abrasive particles are micro-fractured and small particles are separated from the abrasive particles.
(3)The abrasive particles are broken up and a large part of the abrasive particles are separated to form a new grinding edge.
(4)The abrasive particles fall off and the binder is broken.
(5)High temperature in the grinding zone causes chemical reaction or adhesion between abrasive particles and processed materials, resulting in diffusion and bond wear:
(6)Blockage of grinding wheel is caused by the insertion of abrasive debris into the hole of grinding wheel.
The abrasive wear forms of diamond engineering drills are different from those of ordinary grinding wheels due to their different processing methods. Except for (5), all the above wear modes occur when diamond engineering drills hard and brittle stones. In addition, because of the high grinding temperature generated by grinding heat, the abrasive tip can reach thousands of degrees, which will cause thermal damage of diamond abrasive.
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