Каталог Iscar монолитные сверла 2022 - страница 30

USER GUIDE SOLID CARBIDE DRILLS Recommended Machining Conditions for Solid Carbide Drills D=3.0-20.0 mm Tensile Cutting Feed (mm/rev) vs. Drill Diameter Hardness Material Material Condition Strength Speed V c HB No.(1) ISO [N/mm2] m/min Ø3-5 Ø5.1-8 Ø8.1-12 Ø12.1-16 Ø16.1-20 < 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 cast 70-90 0.10-0.18 0.15-0.25 0.2-0.30 0.20-0.35 0.25-0.40 Quenched 930 275 7 steel (less than 5% of and 1000 300 8 60-80 0.10-0.18 0.15-0.25 0.2-0.30 0.20-0.35 0.25-0.40 alloying elements) tempered 1200 350 9 50-70 0.10-0.20 0.15-0.28 0.2-0.35 0.20-0.38 0.25-0.42 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 Ferritic/ Stainless steel 680 200 12 25-75 0.04-0.10 0.05-0.15 0.05-0.18 0.08-0.20 0.10-0.20 martensitic 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/ 180 15 85-105 0.15-0.25 0.20-0.35 0.25-0.45 0.30-0.50 0.35-0.55 Grey cast iron (GG) pearlitic 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 Ferritic 160 17 Nodular cast iron (GGG) Pearlitic 250 18 65-80 0.12-0.20 0.15-0.25 0.20-0.35 0.25-0.40 0.30-0.45 Ferritic 130 19 Malleable cast iron Pearlitic 230 20 Not cureable 60 21 70-300 Aluminum- wrought alloy 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- Cured 90 24 cast, alloyed High >12% Si 130 25 temperature N >1% Pb Free cutting 110 26 Copper Brass 90 27 alloys Electrolitic 100 28 copper Duroplastics, 29 Non-metallic fiber plastics Hard rubber 30 Fe based Annealed 200 31 Cured 280 32 High temp. Annealed 250 33 alloys Ni or Co Cured 350 34 S based Cast 320 35 RM 400 36 Titanium Ti alloys Alpha+beta RM 1050 37 15-35 0.02-0.07 0.04-0.10 0.06-0.12 0.08-0.15 0.08-0.18 alloys cured Hardened 55 HRC 38 40-70 0.06-0.10 0.08-0.12 0.10-0.14 0.12-0.16 0.14-0.18 Hardened steel Hardened 60 HRC 39 H Chilled cast iron Cast 400 40 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