ATA International Product Catalogue

306345 306346 1418 CONTACT INFORMATION For more information please call +353 49 435 2138 or send an email to ask@atagroup.ie Dynamic finishing Group Material Material group  = 3 mm  = 4 mm  = 5 mm Vc m/min n min –1 Vf mm/min fz mm n min –1 Vf mm/min fz mm n min –1 Vf mm/min fz mm P General steels < 650 N/mm² (< 200 HB) 1.1-1.2 520 55,202 12,807 0.058 41,401 12,752 0.077 33,121 12,586 0.095 General steels < 950 N/mm² (< 300 HB) 1.3-1.4 470 49,894 10,777 0.054 37,420 10,777 0.072 29,936 10,777 0.090 General steels < 1100 N/mm² (< 350 HB) 1.5 420 44,586 8,917 0.050 33,439 8,828 0.066 26,752 8,775 0.082 Heat-treated steels < 950 N/mm² (< 30 HRC) 2.1-2.2 470 49,894 9,979 0.050 37,420 9,879 0.066 29,936 9,819 0.082 Heat-treated steels < 1100 N/mm² (< 32 HRC) 2.3-2.4 420 44,586 8,025 0.045 33,439 8,025 0.060 26,752 8,025 0.075 Nitriding steels < 1000 N/mm² (< 32 HRC) 2.5 460 48,832 8,985 0.046 36,624 8,936 0.061 29,299 9,024 0.077 Nitriding steels > 1000 N/mm² (> 32 HRC) 2.6 340 36,093 6,064 0.042 27,070 6,064 0.056 21,656 6,064 0.070 High alloy steels < 700 N/mm² 3.1 310 32,909 7,108 0.054 24,682 7,108 0.072 19,745 7,108 0.090 High alloy steels < 1400 N/mm² 3.2 280 29,724 5,469 0.046 22,293 5,439 0.061 17,834 5,493 0.077 Spring steels < 1500 N/mm² 3.3 250 26,539 4,459 0.042 19,904 4,459 0.056 15,924 4,459 0.070 M Stainless steels – INOX ferritic 4.1 200 21,231 2,803 0.033 15,924 2,803 0.044 12,739 2,803 0.055 Stainless steels – INOX martensitic 4.2 170 18,047 2,599 0.036 13,535 2,490 0.046 10,828 2,425 0.056 Stainless steels – INOX austenitic 4.3 140 14,862 2,318 0.039 11,146 2,140 0.048 8,917 2,033 0.057 K Grey cast iron up to 350 HB (GG) 7.1-7.2 200 21,231 4,926 0.058 15,924 4,904 0.077 12,739 4,841 0.095 Modular cast iron up to 250 HB (GGG) 7.3-7.4 165 17,516 4,064 0.058 13,137 4,046 0.077 10,510 3,994 0.095 Malleable cast iron up to 230 HB (GTW/S) 7.5-7.6 172 18,259 4,236 0.058 13,694 4,218 0.077 10,955 4,163 0.095 H Hardened steels 45–55 HRC 8.1 /8.4 180 19,108 1,452 0.019 14,331 1,490 0.026 11,465 1,513 0.033 Recommended cutting data for Karnasch solid carbide micro end mills ap = 1.5×  / maximum ae = 0.1×  Values to be used only with constant pressure angle ap ae 11 Index 10 9 OIL 8 7 6 5 4 3 2 1