ATA International Product Catalogue

306278 1453 Recommended cutting data for solid carbide Karnasch high feed-finishing end mills Roughing 8.2 - 8.3 Hardened steels 55-60 HRC 8.2 - 8.3 Hardened steels 60-65 HRC 8.2 - 8.3 Hardened steels 65-70 HRC n min –1 fz mm ae mm ap mm n min –1 fz mm ae mm ap mm n min –1 fz mm ae mm ap mm 17,500-22,000 0.06 1.10 0.08 12,500-16,000 0.04 0.8 0.06 10,000-12,500 0.025 0.70 0.054 11,500-15,000 0.08 1.65 0.12 8,500-10,500 0.06 1.2 0.09 7,000-8,500 0.045 1.05 0.081 9,000-11,000 0.10 2.20 0.16 6,000-8,000 0.08 1.6 0.12 5,000-6,000 0.065 1.40 0.108 6,000-7,500 0.17 3.30 0.24 4,000-4,500 0.12 2.4 0.18 3,500-4,000 0.070 2.10 0.162 4,500-5,500 0.22 4.40 0.32 2,500-3,500 0.16 3.2 0.24 2,500-3,000 0.080 2.80 0.216 3,500-4,500 0.28 5.50 0.40 2,000-3,000 0.19 4.0 0.30 2,000-2,500 0.115 3.50 0.270 3,000-3,500 0.33 6.60 0.48 2,000-2,500 0.23 4.8 0.36 2,000-2,300 0.140 4.20 0.324 Finishing 8.2 - 8.3 Hardened steels 55-60 HRC 8.2 - 8.3 Hardened steels 60-65 HRC 8.2 - 8.3 Hardened steels 65-70 HRC n min –1 fz mm ae mm ap mm n min –1 fz mm ae mm ap mm n min –1 fz mm ae mm ap mm 10,000-13,000 0.065 0.16 0.016 9,000-12,000 0.045 0.14 0.006 8,000-9,000 0.04 0.12 0.004 9,000-10,000 0.075 0.24 0.024 7,500-10,000 0.055 0.21 0.009 7,500-8,500 0.05 0.18 0.006 8,000-9,000 0.080 0.32 0.032 7,000-8,000 0.060 0.28 0.012 7,000-7,500 0.06 0.24 0.008 8,500-10,000 0.100 0.48 0.048 7,000-8,000 0.080 0.42 0.018 6,000-7,000 0.07 0.36 0.012 6,500-7,500 0.150 0.64 0.064 5,000-6,000 0.090 0.56 0.024 4,500-5,000 0.08 0.48 0.016 5,000-6,000 0.180 0.80 0.080 4,000-5,000 0.140 0.70 0.03 3,500-4,000 0.12 0.60 0.020 4,000-5,000 0.200 0.96 0.096 3,500-4,000 0.160 0.84 0.036 3,000-3,500 0.14 0.72 0.024 These conditons are for general guidance; in actual maching 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. Use only accurate and highly rigid machines. 11 Index 10 9 OIL 8 7 6 5 4 3 2 1