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Operation Grinding 20

Q3: (20 Marks) In a grinding operation, a surface grinding job performed on a flat piece of steel. The following observations were made: Wheel speed 4000 ft/min Wheel diameter 8 in Grits per area 300 grits/in? Crossfeed 0.2 in Infeed 0.0015 in per pass Reciprocating work speed 30 ft/min [Hint: (grits/min) = (chips/min)] Determine: 1. 2.

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