CBN wheel for Cylindrical external grinding

Application : Cylindrical external grinding
Wheel sizes:1A1 Ø500-50T-30U-6X-400J-203,2
Machine: GER
Work-piece speed: 60 100rpm
Traverse speed: 300 600mm/min
Work-piece : Cylinder Ø150 x 800mm
Material: Hardened steel
Hardness: 55HRC
Stock removal: 0,1mm/Ø
Roughness achieved: 0,6 Ra
Coolant: Emulsion 3%

Results:
(1) Time process reduced about 80% compared with usual grinding wheel
(2)  Lead time reduction from 50 days to 20days
(3)  Use life longer about 300% compared with usual grinding wheel