306355 306353 306425 1283 ap = 1.3 × D ae = 0.03 × D ap = 1.3 × D ae = 0.02 × D ap = 1.3 × D ae = 0.05 × D ap = 0.05 × D ae = 0.2 - 0.3 × D ap = 0.02 × D ae = 0.2 - 0.3 × D ap = 0.1 × D ae = 0.03 D - 0.5 × D ap ae ap ae ap ae ap ae ap ae 1.5 × d =0.1 × d1 1.0 × d =1.0 × d max. 1.5 × d =0.25 × d1 Recommended cutting data for solid carbide end mills mm Vc 200 m/min Vc 200 m/min Vc 200 m/min Vc 150 m/min Vc 150 m/min Vc 100 m/min Carbon steel, Workpiece mild steel, cast iron Alloyed steel, tool steel Alloyed steel Alloyed steel VA Hardened steel Hardened steel material -750 N/mm2 -30 HRC 30 - 38 HRC 38 - 45 HRC 45 - 55 HRC 55 - 60 HRC d1 rpm Vf rpm Vf rpm Vf rpm Vf rpm Vf rpm Vf 7 9,000 2,100 9,000 1,700 9,000 1,060 6,800 800 6,800 640 4,500 420 9 7,000 2,120 7,000 1,700 7,000 1,060 5,200 800 5,300 640 3,500 420 11 5,600 2,120 5,600 1,700 5,600 1,060 4,200 800 4,200 640 2,850 420 13 4,800 2,120 4,800 1,700 4,800 1,060 3,600 800 3,600 640 2,500 420 mm Vc 200 m/min Vc 200 m/min Vc 200 m/min Vc 150 m/min Vc 150 m/min Vc 100 m/min Carbon steel, Workpiece mild steel, cast iron Alloyed steel, tool steel Alloyed steel Alloyed steel VA Hardened steel Hardened steel material -750 N/mm2 -30 HRC 30 - 38 HRC 38 - 45 HRC 45 - 55 HRC 55 - 60 HRC d1 rpm Vf rpm Vf rpm Vf rpm Vf rpm Vf rpm Vf 7 9,000 1,300 9,000 1,000 6,800 800 6,800 700 6,800 400 4,500 250 9 7,000 1,300 7,000 1,000 5,200 800 5,200 700 5,200 400 3,500 250 11 5,600 1,300 5,600 1,000 4,200 800 4,200 700 4,200 400 2,850 250 13 4,800 1,300 4,800 1,000 3,600 800 3,600 700 3,600 400 2,500 250 Circumference milling Contouring These conditions are for general guidance; in actual machining conditions adjust the parameters according to your actual machine and work-piece conditions. If the rpm available is lower than recommended please reduce the feed rate to the same ratio. Recommended cutting data for Karnasch solid carbide end mills 'DUO' for HSC/HHC-cutting Workpiece material Tensile strength (N/mm2) hardness (HB) Cutting speed (m/min) Feed per tooth (mm) Cooling 4 6-8 10-12 16 20 Unalloyed steel < 500 N/mm2 500 - 700 N/mm2 700 N/mm2 140 - 160 100 - 140 60 - 90 0.04 0.03 0.02 0.05 0.04 0.03 0.07 0.06 0.05 0.07 0.06 0.05 0.08 0.07 0.06 Emulsion cutting oil Emulsion cutting oil Emulsion cutting oil Tool steel < 1400 N/mm2 > 1400 N/mm2 40 - 80 30 - 50 0.01 0.01 0.02 0.02 0.03 0.03 0.04 0.04 0.05 0.05 Emulsion cutting oil Emulsion cutting oil Stainless steel 25 - 75 0.01 0.02 0.03 0.04 0.05 Emulsion cutting oil Hardened steel 55 - 60 HRC 20 - 30 0.007 0.01 0.02 0.03 0.03 Dry MQL Steel cast iron < 500 N/mm2 > 500 N/mm2 80 - 140 60 - 120 0.04 0.02 0.05 0.03 0.06 0.04 0.07 0.05 0.08 0.06 Emulsion Emulsion Cast iron < 200 HB > 200 HB 60 - 90 50 - 80 0.05 0.03 0.06 0.04 0.08 0.06 0.09 0.08 0.12 0.11 Dry - Emulsion Dry - Emulsion Copper 100 - 250 0.03 0.04 0.06 0.08 0.1 Dry - Emulsion Cutting oil Brass, leader bronze all 90 - 200 0.03 0.04 0.06 0.08 0.1 Dry - Emulsion Cutting oil Bronze 80 - 160 0.03 0.04 0.06 0.08 0.1 Dry - Emulsion Cutting oil Head resisting steel, Inconel 30 - 50 0.008 0.01 0.02 0.03 0.04 Emulsion Petrolium Aluminum alloy 100 - 400 0.05 0.06 0.1 0.14 0.18 Emulsion Petrolium Tools with a larger projection length the feed should be reduced according to the required surface quality. Finishing Roughing Sloting Vc = Cutting speed (m/min) Vf = Feed rate (mm/min) fz = Feed per tooth (mm) ae = Width of cut (mm) ap = Depth of cut (mm) n = rpm 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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