Case study #1019 External Cylindrical Grinding Machine Workpiece: Balance Shaft Operation: Plunge Grinding Machine: Micromatic SH40 CNC / 60mps With CBN Wheel Cycle Time: 60 secs (including dressing) Stock Removal: 0.3mm on OD & 0.15mm on Face CpK: 3.36 (for tolerance of 13 µm) Hardness: 217~286 BHN Roundness: 0.002mm on dia 30 Straightness: 0.003mm Concentricity: 0.51 µm Surface Roughness: <0.3 µm Ra So

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