Case study #1008 External Grinding Wheel Workpiece: Steering Worm Shaft O/D Grinding Operation: O/D Grinding Machine: Custom made Material/Hardness: 20MnCr5 @ 58-62 HRC Cutting speed (grinding wheel): 50m/s Stock Removal: 0.4mm Grinding wheel: 01_400x10x127 3CG 60 J 8 V32 Dresser: Stationary Dressing Frequency: Every Part Coolant: Emulsion 4% Surface Finish: 4 Rz Improvement: • Improved wheel life • Improved surface finish

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