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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 MIRACLE <strong>END</strong> <strong>MILLS</strong>VC3MBBall nose end mill, Medium cut length, 3 flutey RoughingWorkmaterialR(mm)R1R2R3R4R5R6R8R10Depth ofcutAlloy steel, Tool steel, Pre-hardened steel( 45HRC)070M55, W.Nr. 1.2344(H13), X210Cr12 etc.Revolution(min -1 )32,00018,50013,00010,0008,0006,6005,0004,000%< 15° %>15°Feed rate(mm/min)3,0003,7004,0005,0005,0004,6004,0003,600Revolution(min -1 )25,00014,50010,0008,0006,5005,3004,0003,200Feed rate(mm/min)1,1701,4601,5002,0002,0001,8001,6001,440< 0.5RRevolution(min -1 )18,00011,0007,7006,0004,8004,0003,0002,400Hardened steel(45 55HRC)W.Nr. 1.2344(H13)%< 15° %>15°Feed rate(mm/min)1,4401,7601,9202,3002,2002,1001,7001,400Revolution(min -1 )16,0009,2006,4004,8003,8003,2002,4001,900< 0.2RFeed rate(mm/min)640740800920870840680550R:Radius%<strong>SOLID</strong><strong>END</strong> <strong>MILLS</strong>CARBIDERECOMM<strong>END</strong>ED CUTTING CONDITIONS FOR MIRACLE <strong>END</strong> <strong>MILLS</strong>y FinishingWorkmaterialR(mm)R1R2R3R4R5R6R8R10Depth ofcutAlloy steel, Tool steel, Pre-hardened steel( 45HRC)070M55, W.Nr. 1.2344(H13), X210Cr12 etc.Revolution(min -1 )32,00025,50020,00015,00012,00010,0007,5006,000%< 15° %>15°Feed rate(mm/min)3,2005,0006,1007,5007,5007,0006,0005,400Revolution(min -1 )32,00020,00015,00011,0009,0007,5005,6004,500Feed rate(mm/min)1,5002,0002,2002,7002,7002,5002,2002,000< 0.1RRevolution(min -1 )25,00017,00013,00010,0008,0006,6005,0004,000Hardened steel(45 55HRC)W.Nr. 1.2344(H13)%< 15° %>15°Feed rate(mm/min)2,0002,7003,2003,8003,7003,5002,8002,300Revolution(min -1 )20,00013,00010,0007,5006,0005,0003,7003,000< 0.06RFeed rate(mm/min)8001,0001,2001,4001,4001,3001,000900R:Radius1) % is the inclination of the machinedsurface.2) Please use VF2SB or VC4MB forworkpiece of 55HRC or above.3) If the rigidity of the machine or theworkpiece installation is very low, orchattering and noise are generated,please reduce the revolution and thefeed rate proportionately.4) When machining accuracy is important,reducing the feed rate isrecommended.Especially for finishing, lower the feedrates and/or pick feeds according tothe required accuracy.5) Cutting conditions may beconsiderably different due to theoverhang (milling depth), depth of cut,and machine tools. Please see theabove table as a standard.6) If the depth of cut is shallow, therevolution and feed rate can beincreased.B246

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