Case study #1036 Special Purpose Grinding Machine Workpiece: Engine Valve - Inlet Operation: Seat Angle Grinding Machine: Micromatic Valve Seat Grinder GVS CNC – 60mps Grinding Wheel: Conventional bonded wheel Cycle Time: 7 secs (including load/unload; without dressing) Stock Removal: 0.2mm CpK (on Tip Height): 1.43 (tolerance ± 0.050mm) Roundness: <0.003mm Runout: 0.015mm Surface Roughness: 0.3 µm Ra Seat Height Control: Stem e

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