Question: 1)For roughing, using a 1/4 flat end mill, the parameters are: Spindle Speed: 4000 rpm Ramp Spindle Speed: 4000 rpm Cutting Federate: 10 in/min Lead-in

1)For roughing, using a 1/4 flat end mill, the parameters are: Spindle Speed: 4000 rpm Ramp Spindle Speed: 4000 rpm Cutting Federate: 10 in/min Lead-in Federate: 10 in/min Lead-out Federate: 10 in/min Ramp Federate: 40 in/min Optimal Load: 0.12 in Maximum Roughing Stepdown: 0.12 in 2)For re-roughing, using 1/8'' ball mill, the parameters are: Spindle Speed: 4000 rpm Ramp Spindle Speed: 4000 rpm Cutting Federate: 9 in/min Lead-in Federate: 9 in/min Lead-out Federate: 9 in/min Ramp Federate: 40 in/min Optimal Load: 0.05 in Maximum Roughing Stepdown: 0.05 in 3)For surface finishing, using 1/8'' ball mill, the parameters are: Spindle Speed: 4000 rpm Ramp Spindle Speed: 4000 rpm Cutting Federate: 15 in/min Lead-in Federate: 15 in/min Lead-out Federate: 15 in/min Ramp Federate: 40 in/min Optimal Load: 0.05 in Maximum Stepdown: 0.05 in

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