Каталог Iscar сверла со сменной режущей частью 2022 - страница 105

ISO Hardness HB Material No. D=6.8-10.9 D=11-12.9 D=13-14.9 D=15-16.9 D=17-20.9 D=21-25.9 INDEXABLE DRILLS USER GUIDE Material Groups Recommended Machining Conditions Feed vs. Drill Diameter mm/rev Tensile Cutting Strength Speed Vc Material Condition [N/mm2] m/min < 0.25 %C Annealed 420 125 1 50-130 Non-alloy ≥ 0.25 %C Annealed 650 190 2 100-120 steel andcast steel,< 0.55 %CQuenched andtempered 850 250 3 90-110 0.12-0.2 0.15-0.25 0.2-0.3 0.25-0.35 0.25-0.45 0.25-0.45 free cutting Annealed 750 220 4 90-120 steel ≥ 0.55 %C Quenched andtempered 1000 300 5 70-90 Annealed 600 200 6 80-130 P Low alloy and cast 930 275 7 70-110 steel (less than 5% ofalloying elements)Quenched andtempered1000 0.12-0.2 0.15-0.25 0.2-0.3 0.25-0.35 0.3-0.4 0.3-0.45300860-90 1200 350 9 40-70 Annealed 680 200 10 50-80 High alloyed steel, caststeel and tool steelQuenched andtempered 0.12-0.2 0.12-0.22 0.15-0.25 0.2-0.28 0.25-0.33 0.25-0.3511003251140-70 Stainless steel Ferritic/martensitic 680 200 12 20-50 0.08-0.14 0.12-0.22 0.12-0.15 0.14-0.20 0.16-0.24 0.15-0.28 and cast steel Martensitic 820 240 13 M Stainless steeland cast steelAustenitic, duplex 600 180 14 20-50 0.08-0.14 0.12-0.22 0.12-0.15 0.14-0.20 0.16-0.24 0.15-0.28 Ferritic / pearlitic 180 15 90-140 Gray cast iron (GG) Pearlitic /martensitic 260 16 80-130 0.2-0.3 0.25-0.35 0.3-0.4 0.35-0.45 0.4-0.5 0.4-0.6 K Nodular cast iron (GGG) Ferritic 160 17 100-180 Pearlitic 250 18 90-160 Ferritic 130 19 Malleable cast iron Pearlitic 230 20 Aluminum- Not hardenable 60 21 90-160 wrought alloys Hardenable 100 22 80-120 0.2-0.35 0.25-0.4 0.3-0.45 0.35-0.5 0.4-0.6 0.4-0.65 ≤12% Si Not hardenable 75 23 90-160 Aluminum-cast alloys Hardenable 90 24 >12% Si High temperature 130 25 N >1% Pb Free cutting 110 26 Copper Brass 90 27 alloys Electrolyticcopper 100 28 Duroplastics,Non metallicfiber plastics 29 Hard rubber 30 Annealed 200 31 30-50 Fe based 0.05-0.1 0.08-0.13 0.1-0.15 0.12-0.18 0.12-0.2 0.12-0.22 High Hardened 280 32 20-40 temperature Annealed 250 33 20-50 0.06-0.12 0.09-0.15 0.12-0.18 0.15-0.2 0.15-0.23 0.15-0.25 alloys Ni or CoSbased Hardened 350 34 Cast 320 35 Pure 400 36 Titanium alloys Alpha+betaalloys, hardened1050 37 Hardened 55HRC 38 20-50 0.06-0.12 0.09-0.15 0.12-0.18 0.15-0.2 0.15-0.23 0.15-0.25 Hardened steel HardenedH 60HRC 39 Chilled cast iron Cast 400 40 20-50 0.06-0.12 0.09-0.15 0.12-0.18 0.15-0.2 0.15-0.23 0.15-0.25 Cast iron Hardened 55HRC 41 • When using external coolant supply only, reduce cutting speed by 10% • When using more than 5XD drill ratio, reduce cutting parameters by 10% As a starting value, the middle of the recommended machining range should be used. Then, according to the wear results, conditions can be changed to optimize performance. The data refers to IC908. For IC1008, cutting speed should be increased by 15%. 103