This type of grinding wheel is mainly used for high-efficiency and powerful grinding of the journal, connecting rod diameter and flange of the engine crankshaft. The grinding wheel linear speed is generally 80m/s-150m/s. It can be matched with imported CNC high-precision C8N special crankshaft grinders, such as CBN grinding wheel special crankshaft grinders produced by Naxos, Junker, Landis, etc.