Каталог Iscar монолитные сверла 2022 - страница 30

SOLID CARBIDE DRILLS ISO USER GUIDE Recommended Machining Conditions for Solid Carbide Drills D=3.0-20.0 mm Material Condition TensileStrength[N/mm2]HardnessHBMaterialNo.(1)CuttingSpeed Vcm/minFeed (mm/rev) vs. Drill DiameterØ3-5Ø5.1-8Ø8.1-12Ø12.1-16Ø16.1-20 < 0.25 %C Annealed 420 125 1 80-120 0.10-0.18 0.15-0.25 0.2-0.30 0.20-0.35 0.25-0.40 >= 0.25 %C Annealed 650 190 2 80-110 0.10-0.18 0.15-0.25 0.2-0.30 0.20-0.35 0.25-0.40 Non-alloy Quenched steel and < 0.55 %C and 850 250 3 70-100 cast steel, tempered free cutting >= 0.55 %C Annealed 750 220 4 0.10-0.20 0.15-0.28 0.2-0.35 0.20-0.38 0.25-0.42 steel Quenched and 1000 300 5 tempered Annealed 600 200 6 P Low alloy and caststeel (less than 5% ofalloying elements)Quenched930and1000tempered120027530035070-900.10-0.18 0.15-0.25 0.2-0.30 0.20-0.35 0.25-0.407860-800.10-0.180.15-0.250.2-0.300.20-0.350.25-0.40950-700.10-0.200.15-0.280.2-0.350.20-0.380.25-0.42 Annealed 680 200 10 60-80 0.10-0.20 0.15-0.28 0.18-0.35 0.20-0.38 0.25-0.42 High alloyed steel, cast Quenched steel and tool steel and 1100 325 11 50-70 0.10-0.15 0.12-0.20 0.14-0.25 0.16-0.30 0.18-0.32 tempered Stainless steel Ferritic/martensitic680 200 12 25-75 0.04-0.10 0.05-0.15 0.05-0.18 0.08-0.20 0.10-0.20 and cast steel Martensitic 820 240 13 25-75 0.04-0.10 0.05-0.15 0.05-0.18 0.08-0.20 0.10-0.20 M Stainless steel Austenitic 600 180 14 25-75 0.04-0.10 0.05-0.15 0.05-0.18 0.08-0.20 0.10-0.20 Ferritic/Grey cast iron (GG)pearlitic180 15 85-105 0.15-0.25 0.20-0.35 0.25-0.45 0.30-0.50 0.35-0.55 Pearlitic 260 16 75-90 0.15-0.25 0.20-0.35 0.25-0.45 0.30-0.50 0.35-0.55 K Nodular cast iron (GGG) FerriticPearliticFerritic 160 17250130181965-80 0.12-0.20 0.15-0.25 0.20-0.35 0.25-0.40 0.30-0.45 Malleable cast iron Pearlitic 230 20 Aluminum- wrought alloy Not cureable 60 21 70-300 0.10-0.25 0.15-0.35 0.25-0.45 0.30-0.50 0.35-0.55 Cured 100 22 70-200 <=12% Si Not cureable 75 23 70-300 0.07-0.18 0.12-0.25 0.20-0.35 0.25-0.45 0.30-0.50 Aluminum-cast, Cured 90 24 alloyed >12% Si Hightemperature 130 25 N >1% Pb Free cutting 110 26 Copper Brass 90 27 alloys Electroliticcopper 100 28 Duroplastics,Non-metallicfiber plastics 29 Hard rubber 30 Fe based Annealed 200 31 Cured 280 32 High temp.alloysNi or CoSbased AnnealedCured 250 3335034 Cast 320 35 RM 400 36 Titanium Ti alloys Alpha+betaalloys curedRM 1050 37 15-35 0.02-0.07 0.04-0.10 0.06-0.12 0.08-0.15 0.08-0.18 Hardened steelHChilled cast iron HardenedHardenedCast 55 HRC 38 40-70 0.06-0.10 0.08-0.12 0.10-0.14 0.12-0.16 0.14-0.1860 HRC3940040 Cast iron Hardened 55 HRC 41 As a starting value, the middle of the recommended machining range should be used, then (according to wear results), conditions can be changed in order to optimize performance. • When using external coolant supply only, reduce cutting speed by 10% • Use internal coolant supply when machining austenitic stainless steel (1) For workpiece materials list, see pages 495-524 178 ISCAR