220402 220403 220802 220419 220471 220405 220406 220806 220425 220473 1508 1×D 2×D 3×D 5×D KFv 1.2 1.0 0.8 0.7 1×D 3×D 5×D 8×D 12×D KFv 1.2 0.9 0.8 0.7 0.6 CONTACT INFORMATION For more information please call +44 1530 261 145 or send an email to sales@atagarryson.com The indicated cutting data in our guideline table are only valid for use of chucks according to DIN 1835 Form E and hydraulic expansion chucks. The indicated cutting data in our guideline table are only valid for use of chucks according to DIN 1835 Form E and hydraulic expansion chucks. The indicated standard values for the cutting speed Vc depends on drilling depth related to the diameter to multiply by the correction factor KFv. The indicated standard values for the cutting speed Vc depends on drilling depth related to the diameter to multiply by the correction factor KFv. Material group Material Strength N/mm2 Cutting speed Recommended feed rate (mm per rev.) based on Vc (m/min) diameter range 3-5 5-8 8-12 12-16 16-20 1.1 St 42-8 < 450 80 0.18 0.24 0.30 0.35 0.40 1.2 C 50 < 650 70 0.18 0.24 0.30 0.35 0.40 2.1 51 Si 7 < 600 65 0.15 0.21 0.27 0.30 0.35 2.2 26 Cr Mo 4 < 950 50 0.15 0.21 0.27 0.30 0.35 2.3 100 WV4 < 1100 40 0.15 0.21 0.27 0.30 0.35 2.6 31 Cr Mo V9 < 1200 65 0.15 0.20 0.25 0.30 0.32 3.1 X 42 Cr 13 < 700 65 0.15 0.20 0.27 0.32 0.35 3.2 S 29 28 < 1400 35 0.08 0.12 0.15 0.20 0.25 7.1 GG 15 > 180 HB 75 0.22 0.30 0.40 0.50 0.58 7.2 GG 30 > 350 HB 70 0.22 0.30 0.40 0.50 0.58 7.7 GGG 60 > 200 HB 70 0.20 0.25 0.35 0.40 0.45 7.6 GTW 3504 > 230 HB 70 0.20 0.25 0.35 0.40 0.45 8.1 Toolox 44 45-55 HRC 30 0.08 0.09 0.10 0.12 0.14 8.11 Toolox 33 800-1100 N/mm2 35 0.08 0.12 0.15 0.20 0.22 8.5 HARDOX 400 < 1200 40 0.03-0.06 0.06 0.08 0.10 0.12 HARDOX 450 < 1400 35 0.03-0.06 0.06 0.08 0.10 0.12 HARDOX 500 < 1550 30 0.02-0.05 0.06 0.06 0.08 0.10 8.6 WELDOX 420/460 < 550 50 0.04-0.07 0.08 0.10 0.12 0.15 WELDOX 500 < 620 50 0.04-0.07 0.08 0.10 0.12 0.15 WELDOX 700 < 860 50 0.04-0.07 0.08 0.10 0.12 0.15 WELDOX 900/960 < 1040 40 0.03-0.06 0.08 0.10 0.12 0.13 WELDOX 1100 < 1350 30 0.02-0.06 0.07 0.08 0.10 0.12 ±10% Recommended cutting data for solid carbide twist drill, with interior cooling supply Recommended cutting data for solid carbide twist drill, without interior cooling supply Material group Material Strength N/mm2 Cutting speed Recommended feed rate (mm per rev.) based on Vc (m/min) diameter range 3-5 5-8 8-12 12-16 16-20 1.1 St 42-8 < 450 180 0.08-0.16 0.22 0.28 0.35 0.37 1.2 C 50 < 650 180 0.08-0.15 0.20 0.25 0.30 0.35 2.1 51 Si 7 < 600 70 0.05-0.08 0.12 0.15 0.20 0.25 2.2 26 Cr Mo 4 < 950 160 0.08-0.15 0.20 0.25 0.30 0.37 2.3 100 WV4 < 1100 130 0.08-0.15 0.20 0.25 0.30 0.37 2.6 31 Cr Mo V9 < 1200 160 0.08-0.15 0.20 0.26 0.32 0.37 3.1 X 42 Cr 13 < 700 130 0.08-0.15 0.20 0.26 0.32 0.37 3.2 S 29 28 < 1400 90 0.08-0.10 0.12 0.15 0.20 0.25 7.1 GG 15 > 180 HB 150 0.14-0.25 0.30 0.40 0.45 0.50 7.2 GG 30 > 350 HB 130 0.12-0.20 0.25 0.35 0.40 0.45 7.4 GGG 60 > 200 HB 130 0.12-0.20 0.25 0.35 0.40 0.45 7.6 GTW 3504 > 230 HB 100 0.04 0.06-0.10 0.12 0.15 0.20 8.1 Toolox 44 45-55 HRC 50 0.04-0.08 0.09 0.11 0.14 0.15 8.11 Toolox 33 800-1100 N/mm2 60 0.05-0.10 0.12 0.15 0.20 0.22 8.5 HARDOX 400 < 1200 40 0.04-0.08 0.08 0.10 0.12 0.14 HARDOX 450 < 1400 35 0.04-0.08 0.08 0.10 0.12 0.14 HARDOX 500 < 1550 30 0.03-0.06 0.08 0.08 0.10 0.12 8.6 WELDOX 420/460 < 550 60 0.07-0.09 0.10 0.12 0.15 0.18 WELDOX 500 < 620 60 0.07-0.09 0.10 0.12 0.15 0.18 WELDOX 700 < 860 60 0.07-0.09 0.10 0.12 0.15 0.18 WELDOX 900/960 < 1040 45 0.06-0.08 0.10 0.12 0.15 0.16 WELDOX 1100 < 1350 35 0.04-0.08 0.08 0.10 0.12 0.14 ±10% 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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