VITRIFIED CBN WHEEL FOR BEARING GRINDING ● Internal cylindrical grinding ● Inner and outer race grinding ● Inner and outer race super finishing ● C.V. joint inner & outer ball track & cage grinding Compressor Internal Cylindrical Grinding of Roller Wheel : 1A1W 21 * 31mm-M14, CBN 230/270 V, 35000rpm Machine : TOYO T-11C Workpiece : Alloy cast iron, HRC60～65, Φ26 * 28, Ry0.8～1.0µm, Roundness1.5～2.0µm, Cylindricity 2.0～2.5µm, Linearity1.0～1.5µm Remove Stock : 0.20～0.30mm Cycle Time : 15s Dressing Cycle : 90pcs Dressing Depth : 3µm * 8 KUNSHAN XINLUN SUPERABRASIVES CO., LTD. SHANGHAI XINLUN SUPERABRASIVES CO., L