Каталог Iscar монолитные сверла 2022 - страница 29

ISO SOLID CARBIDE DRILLS USER GUIDE Recommended Machining Conditions for Solid Carbide Drills D=0.8-2.9 mm Material Condition TensileStrength[N/mm2]HardnessHBMaterialNo.(1)CuttingSpeed Vc(m/min)Feed (mm/rev) vs. Drill DiameterØ0.8-1.4Ø1.5-1.9Ø2-2.4Ø2.5-2.9 < 0.25 %C Annealed 420 125 1 50-100 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 >= 0.25 %C Annealed 650 190 2 40-100 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 Non-alloysteel and cast< 0.55 %Csteel, freeQuenched andtempered850 250 3 40-85 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 cutting steel >= 0.55 %C Annealed 750 220 4 40-85 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 Quenched andtempered 1000 300 5 40-85 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 Annealed 600 200 6 40-75 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 P Low alloy and cast steel (lessthan 5% of alloying elements)Quenched andtempered93010002753007 40-60 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20840-600.03-0.100.05-0.150.07-0.170.08-0.20 1200 350 9 40-60 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 Annealed 680 200 10 30-50 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 High alloyed steel, caststeel and tool steelQuenched andtempered1100 325 11 30-50 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 Ferritic/Stainless steel and cast steelmartensitic6802001220-35 0.03-0.06 0.04-0.08 0.05-0.10 0.06-0.10 Martensitic 820 240 13 20-35 0.03-0.06 0.04-0.08 0.05-0.10 0.06-0.10 M Stainless steel Austenitic 600 180 14 20-35 0.03-0.06 0.04-0.08 0.05-0.10 0.06-0.10 Grey cast iron (GG) Ferritic/pearliticPearlitic 180 15 40-80 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.202601640-700.03-0.100.05-0.150.07-0.170.08-0.20 K Nodular cast iron (GGG) FerriticPearlitic 160 17 40-95 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.202501850-950.03-0.100.05-0.150.07-0.170.08-0.20 Ferritic 130 19 40-80 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 Malleable cast iron Pearlitic 230 20 40-80 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 Aluminum- wrought alloy Not cureable 60 21 80-150 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 Cured 100 22 80-150 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 <=12% Si Not cureable 75 23 80-150 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 Aluminum-cast, alloyed Cured 90 24 80-150 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 >12% Si High temperature 130 25 80-150 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 N >1% Pb Free cutting 110 26 80-150 0.03-0.10 0.05-0.15 0.07-0.17 0.08-0.20 Copper alloys Brass 90 27 50-150 0.05-0.12 0.07-0.15 0.08-0.18 0.09-0.18 Electrolitic copper 100 28 60-160 0.05-0.15 0.07-0.18 0.08-0.20 0.09-0.22 Duroplastics,fiber plastics 29 Non-metallic Hard rubber 30 Fe based Annealed 200 31 10-20 0.02-0.04 0.03-0.06 0.04-0.07 0.04-0.08 Cured 280 32 10-20 0.02-0.04 0.03-0.06 0.04-0.07 0.04-0.08 High temp.alloys Ni or CoSbased AnnealedCured 250 33 10-20 0.02-0.04 0.03-0.06 0.04-0.07 0.04-0.083503410-200.02-0.040.03-0.060.04-0.070.04-0.08 Cast 320 35 10-20 0.02-0.04 0.03-0.06 0.04-0.07 0.04-0.08 RM 400 36 10-20 0.02-0.03 0.02-0.03 0.03-0.04 0.03-0.04 Titanium Ti alloys Alpha+betaalloys curedRM 1050 37 10-20 0.02-0.03 0.02-0.03 0.03-0.04 0.03-0.04 Hardened 55 HRC 38 10-20 0.01-0.02 0.01-0.02 0.02-0.03 0.02-0.03 Hardened steelHChilled cast iron HardenedCast 60 HRC 39 10-20 0.01-0.02 0.01-0.02 0.02-0.03 0.02-0.034004010-200.01-0.020.01-0.020.02-0.030.02-0.03 Cast iron Hardened 55 HRC 41 10-20 0.01-0.02 0.01-0.02 0.02-0.03 0.02-0.03 • For drill with lengh to diameter ratio larger than 6xD, reduce feed by 20% • If the RPM exceeds 10,000, a dynamic balance should be done to the system • Maximal radial and axial runout should not exceed 0.01 mm • 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. (1) For workpiece materials list, see pages 495-524 177