Каталог Iscar сверла со сменной режущей частью 2022 - страница 126

INDEXABLE DRILLS USER GUIDE Machining Conditions for Large Diameter DR-TWIST Drills Feed (mm/rev) Material Vc (m/min) 57-66 dia. 67-73 dia. 74-80 dia. Low Carbon Steel (<0.3% C) 180-250 0.08-0.12 0.08-0.12 0.09-0.14 Carbon Steel (>0.3% C) 160-220 0.12-0.18 0.12-0.18 0.14-0.21 Low Alloy Steel (HB300) 130-180 0.10-0.15 0.10-0.15 0.12-0.17 Stainless Steel 170-240 0.08-0.15 0.08-0.15 0.09-0.17 Cast Iron 180-250 0.15-0.22 0.15-0.22 0.17-0.25 Ductile Cast Iron 130-200 0.10-0.20 0.10-0.20 0.12-0.23 Aluminum 330-380 0.15-0.25 0.15-0.25 0.17-0.29 Ti Alloy (Ti 6AI) 30-60 0.12-0.16 0.12-0.16 0.14-0.18 124 ISCAR