Product name: special ceramic CBN grinding wheel for automotive crankshaft grinding

Grinding wheel specifications: 500D*157H*34T*21U*R0.5*R0.8*10X*CBN100 Concentration degree 200

Processing object: automobile crankshaft

Technical parameter:

● The working conditions of the grinding wheel are required: the linear speed is 120 m/s, and the five main journals and four connecting rod necks of the crankshaft are ground;

● The material of the workpiece is 42CrMo; the matrix is quenched and tempered and heat treated: hardness HB207-269, the surface of the main journal connecting rod is treated by intermediate frequency quenching, and the hardness is HRC50-60;

● The grinding allowance of the workpiece is 0.5-0.7mm in the diameter direction, the end face is 0.1-0.2mm, and the surface roughness of the workpiece after grinding is Ra0.2um.

● Other requirements (particle size, hardness, concentration and wheel balance, etc.) shall be implemented according to the manufacturer's standards and related designs.