306262 306261 306265 306255 306256 1399 These conditions are for general guidance; in actual machining conditions adjust the parameters according to your actual machine and workpiece conditions. If the rpm available is lower than recommended please reduce the feed rate to the same ratio. High Speed Cutting Material group 1.1 – 1.2 – 1.3 – 1.4 – 1.5 Unalloyed steels < 850 N/mm2 2.1 - 2.2 - 2.3 - 2.4 - 2.5 - 2.6 - 3.1 - 3.2 Heat-treated steels < 35 HRC (1200 N/mm2) d1 l3 rpm Vf mm/min fz mm ap mm rpm Vf mm/min fz mm ap mm 1.5 4 27,500 1,925 0.035 0.070 23,500 1,504 0.032 0.054 1.5 6 27,000 1,600 0.030 0.060 23,000 1,400 0.030 0.050 1.5 8 26,000 1,600 0.030 0.060 23,000 1,400 0.030 0.050 1.5 10 26,000 1,600 0.030 0.060 23,000 1,400 0.030 0.050 1.5 12 25,000 1,600 0.030 0.060 22,000 1,400 0.030 0.050 1.5 14 23,500 1,410 0.030 0.043 19,000 874 0.023 0.030 1.5 15 22,000 1,200 0.028 0.037 20,000 1,100 0.028 0.034 1.5 16 22,500 1,305 0.029 0.036 19,000 760 0.020 0.030 1.5 18 22,500 1,305 0.029 0.036 19,000 760 0.020 0.030 1.5 20 22,000 1,200 0.028 0.037 20,000 1,100 0.028 0.034 1.5 25 20,000 850 0.022 0.030 18,000 900 0.025 0.020 1.5 30 18,000 650 0.018 0.025 15,000 600 0.020 0.015 1.6 8 26,000 1,600 0.030 0.060 23,000 1,400 0.030 0.050 1.6 15 22,000 1,200 0.028 0.037 20,000 1,100 0.028 0.034 1.8 10 26,000 1,600 0.030 0.060 23,000 1,400 0.030 0.050 1.8 20 22,000 1,200 0.028 0.035 20,000 1,100 0.028 0.034 2.0 4 21,000 2,940 0.070 0.200 17,500 2,555 0.073 0.150 2.0 6 21,000 2,800 0.065 0.200 19,000 2,500 0.060 0.180 2.0 8 21,000 2,800 0.068 0.140 19,000 2,500 0.060 0.120 2.0 10 20,000 2,400 0.060 0.100 17,000 2,000 0.060 0.070 2.0 12 19,000 2,300 0.060 0.080 17,000 2,000 0.060 0.070 2.0 15 19,000 2,300 0.060 0.080 17,000 2,000 0.060 0.070 2.0 20 19,000 2,300 0.060 0.050 17,000 2,000 0.060 0.040 2.0 25 17,000 1,800 0.050 0.025 15,000 1,600 0.050 0.020 2.0 30 17,000 1,800 0.050 0.016 15,000 1,600 0.050 0.015 2.5 10 20,000 2,400 0.060 0.100 17,000 2,000 0.060 0.070 2.5 15 19,000 2,300 0.060 0.080 17,000 2,000 0.060 0.070 2.5 20 19,000 2,300 0.060 0.050 17,000 2,000 0.060 0.040 2.5 25 17,000 1,800 0.050 0.025 15,000 1,600 0.050 0.020 3.0 5 16,000 2,100 0.066 0.300 14,000 1,900 0.065 0.250 3.0 10 16,000 2,100 0.066 0.210 14,000 1,900 0.065 0.250 3.0 15 16,000 2,100 0.066 0.120 14,000 1,900 0.065 0.100 3.0 20 14,000 1,700 0.060 0.120 13,000 1,600 0.060 0.100 3.0 25 14,000 1,700 0.060 0.100 13,000 1,600 0.060 0.080 3.0 30 14,000 1,700 0.060 0.080 13,000 1,600 0.060 0.070 4.0 10 12,000 2,400 0.100 0.300 11,000 2,100 0.100 0.310 4.0 15 12,000 2,400 0.100 0.250 11,000 2,100 0.100 0.310 4.0 20 11,000 1,900 0.090 0.200 11,000 2,100 0.100 0.200 4.0 25 11,000 1,900 0.090 0.150 9,500 1,700 0.090 0.140 4.0 30 9,000 1,600 0.090 0.100 7,000 1,300 0.090 0.080 5.0 10 9,000 2,300 0.120 0.400 10,000 2,400 0.150 0.400 5.0 15 9,000 2,300 0.120 0.380 10,000 2,400 0.150 0.350 5.0 20 9,000 2,300 0.120 0.350 8,500 2,100 0.120 0.300 5.0 30 9,000 2,300 0.120 0.200 8,500 2,100 0.120 0.300 5.0 40 8,500 2,000 0.110 0.120 7,500 1,700 0.100 0.120 6.0 10 9,000 2,300 0.120 0.400 9,000 3,200 0.180 0.400 6.0 15 9,000 2,300 0.120 0.400 9,000 3,200 0.180 0.350 6.0 20 8,000 2,400 0.150 0.300 7,000 2,100 0.150 0.300 6.0 30 8,000 2,200 0.140 0.250 7,000 2,100 0.150 0.300 6.0 40 7,000 2,000 0.130 0.240 6,500 1,700 0.130 0.200 6.0 50 5,500 1,500 0.130 0.160 5,000 1,300 0.130 0.140 8.0 30 7,000 2,100 0.150 0.280 6,000 2,160 0.180 0.350 10.0 40 6,000 2,160 0.180 0.300 5,000 1,800 0.180 0.380 Recommended cutting data for solid carbide end mills HSC/HHC/HPC 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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