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X's - mill Multi - Flutes

Surface roughness



Conditions
End Mill : 10mm
Speed : 470m/min
Feed : 3500mm/min
Material : 40CrMoV5 (220HB)
SKD61
Coolant : DRY

Comparison of wear



Conditions
End Mill : 10mm
Speed : 500m/min
Feed : 9600mm/min
Material : NAK80 (40HRC)
Coolant : DRY