12.07.2015 Views

HOW TO READ THE STANDARD OF SOLID END MILLS

HOW TO READ THE STANDARD OF SOLID END MILLS

HOW TO READ THE STANDARD OF SOLID END MILLS

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RECOMM<strong>END</strong>ED CUTTING CONDITIONS FOR DIAMOND COATED <strong>END</strong> <strong>MILLS</strong>DC2MBNFBall nose, Medium cut length, 2 flute, For non-ferrous materialWorkmaterialGraphiteR(mm)R0.5R1R2R3R4R5R6Revolution(min -1 )20,00020,00018,50013,00010,0008,0006,600%< 15° %>15°Feed rate(mm/min)4004809301,0101,2601,2601,160RoughingRevolution(min -1 )20,00020,00014,50010,0008,0006,5005,300Feed rate(mm/min)380440640700800820740Revolution(min -1 )20,00020,00020,00020,00015,00013,00010,000%< 15° %>15°Feed rate(mm/min)6007001,4002,2002,7002,9002,500FinishingRevolution(min -1 )20,00020,00020,00015,00011,0009,0007,200Feed rate(mm/min)5206001,2001,5001,5001,5001,500Depth ofcut< 0.5R< 0.2R< 0.1R< 0.06RR:Radius<strong>SOLID</strong><strong>END</strong> <strong>MILLS</strong>CARBIDERECOMM<strong>END</strong>ED CUTTING CONDITIONS FOR DIAMOND COATED <strong>END</strong> <strong>MILLS</strong>WorkmaterialR(mm)R0.5R1R2R3R4R5R6Depth ofcutRevolution(min -1 )20,00018,00011,1007,7006,0004,8004,000% < 15° %>15°Feed rate(mm/min)360360440480600600560< 0.5RRoughingRevolution(min -1 )20,00016,0009,2006,4004,8003,8003,200Copper, Pure copperFeed rate(mm/min)320290330360380450410< 0.2RRevolution(min -1 )20,00020,00017,00013,00010,0008,0006,600%< 15° %>15°Feed rate(mm/min)4806009001,0001,3001,4001,400< 0.1RFinishingRevolution(min -1 )20,00020,00013,00010,0007,5006,0005,000Feed rate(mm/min)400450550600700800800< 0.06RR:Radius1) % is the inclination of the machinedsurface.2) If the rigidity of the machine or theworkpiece installation is very low,or chattering is generated, pleasereduce the revolution and the feed rateproportionately. Cutting conditions may bediffer considerably due to the overhang(milling depth), cutting stock, and machinetool conditions.3) Please see the above table as a standardstarting point.4) If the depth of cut is shallow, the revolutionand feed rate can be increased.%B270

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