SOLID CARBIDE DRILLING MODULAR DRILLING INDEXABLE DRILLING HOLEMAKING HSK MODBORE KenTIP Drills Cutting Data Recommendations Cutting Groups 1.1 1.2 2.1 2.2 3 4 5 6 7 8 9 15 16 17 18 19 20 Material Group Unalloyed Steel, Cast Steel, Machining Steel Low-Alloy Steel, Cast Steel, Machining Steel Gray Cast Iron Cast Iron with Nodular Cast Iron Malleable Cast Iron C = 0,10 - 0,25 Annealed, long-chipping C = 0,10 - 0,25 Annealed, short-chipping C = 0,25 - 0,55 Annealed, long-chipping C = 0,25 - 0,55 Annealed, short-chipping C = 0,25 - 0,55 Tempered C = 0,25 - 0,80 Annealed C = 0,25 - 0,80 Tempered Annealed Tempered Tempered Tempered Pearlitic/Ferritic Pearlitic (Martensitic) Ferritic Pearlitic Ferritic Pearlitic Composition /Structure Tensile Strength RM (Mpa) Hardness HB 420 125 420 125 640 190 640 190 850 250 915 270 1020 300 610 180 930 275 1020 300 1190 350 180 260 160 250 130 230 Cutting Speed vc: (m/min) (sfm) D = 8 mm .3150” Feed Rate Per Revolution by Drill Diameter: (mm/rev) (ipr) D = 10 mm .3937” D = 12 mm .4724” D = 14 mm .5512” D = 16 mm .6299” 110 - 170 0,11 - 0,20 0,13 - 0,24 0,14 - 0,28 0,17 - 0,32 0,19 - 0,35 360 - 560 .004 - .008 .005 - .009 .006 - .011 .007 - .013 .008 - .014 120 - 180 0,11 - 0,20 0,13 - 0,24 0,14 - 0,28 0,17 - 0,32 0,19 - 0,35 390 - 590 .004 - .008 .005 - .009 .006 - .011 .007 - .013 .008 - .014 100 - 150 0,13 - 0,24 0,15 - 0,29 0,17 - 0,33 0,19 - 0,36 0,22 - 0,41 330 - 490 .005 - .009 .006 - .011 .008 - .013 .008 - .014 .009 - .016 110 - 155 0,13 - 0,24 0,15 - 0,29 0,17 - 0,33 0,19 - 0,36 0,22 - 0,41 360 - 510 .005 - .009 .006 - .011 .008 - .013 .008 - .014 .009 - .016 80 - 120 0,13 - 0,21 0,15 - 0,25 0,18 - 0,31 0,21 - 0,39 0,23 - 0,45 260 - 390 .005 - .008 .006 - .010 .007 - .012 .008 - .015 .009 - .018 70 - 95 0,11 - 0,20 0,15 - 0,24 0,16 - 0,29 0,21 - 0,34 0,23 - 0,37 230 - 310 .004 - .008 .006 - .009 .006 - .011 .008 - .013 .009 - .015 50 - 75 0,11 - 0,19 0,12 - 0,23 0,16 - 0,28 0,21 - 0,32 0,23 - 0,35 160 - 250 .004 - .008 .005 - .009 .006 - .011 .008 - .013 .009 - .014 70 - 95 0,15 - 0,28 0,16 - 0,35 0,21 - 0,37 0,23 - 0,46 0,25 - 0,46 230 - 310 .006 - .011 .006 - .014 .008 - .015 .009 - .018 .010 - .018 70 - 95 0,11 - 0,21 0,14 - 0,25 0,19 - 0,30 0,21 - 0,33 0,23 - 0,37 230 - 310 .004 - .008 .006 - .010 .008 - .012 .008 - .013 .009 - .015 60 - 90 0,11 - 0,19 0,12 - 0,23 0,16 - 0,26 0,18 - 0,31 0,21 - 0,33 200 - 300 .004 - .008 .005 - .009 .006 - .010 .007 - .012 .008 - .013 50 - 75 0,11 - 0,20 0,12 - 0,23 0,16 - 0,25 0,17 - 0,29 0,18 - 0,32 160 - 250 .004 - .008 .005 - .009 .006 - .010 .007 - .011 .007 - .013 120 - 170 0,17 - 0,32 0,20 - 0,37 0,23 - 0,43 0,27 - 0,48 0,30 - 0,55 390 - 560 .007 - .013 .008 - .015 .009 - .017 .011 - .019 .012 - .022 90 - 120 0,14 - 0,25 0,16 - 0,31 0,19 - 0,35 0,23 - 0,42 0,26 - 0,47 300 - 390 .006 - .010 .006 - .012 .008 - .014 .009 - .017 .010 - .019 60 - 90 0,14 - 0,25 0,16 - 0,30 0,19 - 0,35 0,22 - 0,40 0,24 - 0,45 200 - 300 .006 - .010 .006 - .012 .008 - .014 .009 - .016 .009 - .018 40 - 65 0,10 - 0,19 0,12 - 0,22 0,14 - 0,25 0,16 - 0,31 0,19 - 0,35 130 - 210 .004 - .008 .005 - .009 .006 - .010 .006 - .012 .008 - .019 80 - 105 0,14 - 0,26 0,17 - 0,31 0,19 - 0,35 0,21 - 0,40 0,23 - 0,44 260 - 340 .006 - .010 .007 - .012 .008 - .014 .008 - .016 .009 - .017 80 - 105 0,13 - 0,24 0,15 - 0,28 0,17 - 0,32 0,19 - 0,35 0,21 - 0,39 260 - 340 .005 - .010 .006 - .011 .007 - .013 .008 - .014 .008 - .015 ROMICRON Performance Diagrams Note: The diagrams are used to determine the feed force, drive power, and torque. They are based on cutting force measurements in steel with a tensile strength of: Rm = 800 N/mm 2 . The base cutting speed used is: vc = 80 m/min (260 sfm). Drive Power Feed Force Torque P s [kW] F f [kN] Md [Nm] 4,5 3,0 30 f = 0,35 mm 4,0 f = 0,35 mm 2,5 25 3,5 f = 0,35 mm 3,0 2,0 20 2,5 2,0 1,5 f = 0,25 mm f = 0,15 mm 1,5 1,0 f = 0,25 mm f = 0,15 mm 15 10 f = 0,25 mm 1,0 0,5 0,5 5 f = 0,15 mm 0 0 0 0 8 10 12 14 16 0 8 10 12 14 16 0 8 10 12 14 16 Drill diameter D1 [mm] => Drill diameter D1 [mm] => Drill diameter D1 [mm] => A32 To place an order, contact your Kennametal representative or visit www.kennametal.com.
Mounting the KenTIP Inserts KenTIP – Application Guidelines SOLID CARBIDE DRILLING MODULAR DRILLING Cooling the KenTIP Drill Dry machining HOLEMAKING INDEXABLE DRILLING External cooling HSK MODBORE ✔ ✔ only when using the 3xD tool bodies ROMICRON Note Max. 0,02 mm (.001”) Max. 0,02 mm (.001”) To place an order, contact your Kennametal representative or visit www.kennametal.com. A33
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