On the surface, grinding wheel cutting piece is very simple, but it works not easy, many people simply think works the bench grinder wheels is friction burn high temperature will contact portion. In fact, not the case, works grinding wheel is corundum (including white corundum, corundum and corundum Ming) generated when the friction sharp corners, so that the hard metal material cutting. Those sparks sharp corners just after the phenomenon, many people mistakenly think that the friction generated by high-temperature melting of the workpiece.

Grinding wheel sparks generated at work is very large, it is necessary to pay attention to be hot. General grinding wheel at work should note the following:
1, can not be placed around the inflammable and explosive materials;
2, do not wear polyester clothes, polyester is a petroleum byproduct, is flammable;
3, do not wear short-sleeved, and should wear long trousers.