306345 306346 1284 CONTACT INFORMATION For more information please call +1 330 928 7744 or send an email to ataorders@atatools.com Roughing Group Material Material group = 3 mm = 4 mm = 5 mm Cutting speed (m/min) rpm Feed rate (mm/min) Feed per tooth (mm) rpm Feed rate (mm/min) Feed per tooth (mm) rpm Feed rate (mm/min) Feed per tooth (mm) P General steels < 650 N/mm² (< 200 HB) 1.1-1.2 200 21,231 1,444 0.017 15,924 1,465 0.023 12,739 1,478 0.029 General steels < 950 N/mm² (< 300 HB) 1.3-1.4 170 18,047 1,184 0.016 13,535 1,191 0.022 10,828 1,213 0.028 General steels < 1100 N/mm² (< 350 HB) 1.5 150 15,924 1,019 0.016 11,943 1,051 0.022 9,554 1,032 0.027 Heat-treated steels < 950 N/mm² (< 30 HRC) 2.1-2.2 160 16,985 1,046 0.015 12,739 1,070 0.021 10,191 1,101 0.027 Heat-treated steels < 1100 N/mm² (< 32 HRC) 2.3-2.4 125 13,270 743 0.014 9,952 796 0.020 7,962 828 0.026 Nitriding steels < 1000 N/mm² (< 32 HRC) 2.5 145 15,393 862 0.014 11,545 924 0.020 9,236 961 0.026 Nitriding steels > 1000 N/mm² (> 32 HRC) 2.6 130 13,800 718 0.013 10,350 787 0.019 8,280 795 0.024 High alloy steels < 700 N/mm² 3.1 155 16,454 1,053 0.016 12,341 1,037 0.021 9,873 1,106 0.028 High alloy steels < 1400 N/mm² 3.2 120 12,739 713 0.014 9,554 726 0.019 7,643 734 0.024 Spring steels < 1500 N/mm² 3.3 95 10,085 403 0.010 7,564 424 0.014 6,051 436 0.018 M Stainless steels – INOX ferritic 4.1 83 8,782 281 0.008 6,587 290 0.011 5,269 295 0.014 Stainless steels – INOX martensitic 4.2 73 7,749 279 0.009 5,812 279 0.012 4,650 279 0.015 Stainless steels – INOX austenitic 4.3 63 6,688 268 0.010 5,016 261 0.013 4,013 257 0.016 K Gray cast iron up to 350 HB (GG) 7.1-7.2 210 22,293 1,516 0.017 16,720 1,538 0.023 13,376 1,552 0.029 Modular cast iron up to 250 HB (GGG) 7.3-7.4 180 19,108 1,299 0.017 14,331 1,318 0.023 11,465 1,330 0.029 Malleable cast iron up to 230 HB (GTW/S) 7.5-7.6 130 13,800 938 0.017 10,350 952 0.023 8,280 961 0.029 Recommended cutting data for Karnasch solid carbide micro end mills Depth of cut Width of cut Depth of cut = 1× / Width of cut = 1× 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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