Features: CBN groove grinding wheel is suitable for all kinds of groove grinding, which can directly open the groove on the workpiece, or grinding the groove to the required size. Trough grinding wheel is mainly used for grinding machining of rotary blade compressor, blade pump, steering booster pump, piston groove, rotor and other industrial parts groove groove. This kind of grinding wheel processing workpiece has high precision, high grinding efficiency, good grinding wheel shape retention, long life, do not need frequent dressing. Application: Suitable for processing the following various materials: High manganese steel; High-chromium, nickel, molybdenum alloy steel; Cold hard cast iron (HS80~90); All kinds of hardened steel (HRC 55 ~ 65).