Каталог Iscar вращающийся инструмент 2017 - страница 588

USER GUIDE Machining Data for Solid Carbide Drills D=0.8-2.9 mm Tensile Strength Hardness Material ISO Material Condition [N/mm 2 ] HB No. < 0.25 %C Annealed 420 125 1 >= 0.25 %C Annealed 650 190 2 Non-alloy steel and cast steel, < 0.55 %C Quenched and tempered 850 250 3 free cutting steel >= 0.55 %C Annealed 750 220 4 Quenched and tempered 1000 300 5 Annealed 600 200 6 P Low alloy steel and cast steel 930 275 7 (less than 5% of alloying elements) Quenched and tempered 1000 300 8 1200 350 9 SOLID CARBIDE DRILLS High alloyed steel, cast steel, Annealed 680 200 10 and tool steel Quenched and tempered 1100 325 11 Stainless steel and Ferritic/martensitic 680 200 12 cast steel Martensitic 820 240 13 Stainless steel Austenitic 600 180 14 M Ferritic/pearlitic 180 15 Grey cast iron (GG) Pearlitic 260 16 Ferritic 160 17 Nodular cast iron (GGG) K Pearlitic 250 18 Ferritic 130 19 Malleable cast iron Pearlitic 230 20 Aluminum- Not cureable 60 21 wrought alloy Cured 100 22 <=12% Si Not cureable 75 23 Aluminum-cast, Cured 90 24 alloyed >12% Si High temperature 130 25 N >1% Pb Free cutting 110 26 Copper alloys Brass 90 27 Electrolitic copper 100 28 Duroplastics, fiber plastics 29 Non-metallic Hard rubber 30 Fe based Annealed 200 31 Cured 280 32 High temp. alloys Annealed 250 33 Ni or Co based Cured 350 34 S Cast 320 35 RM 400 36 Titanium Ti alloys Alpha+beta alloys cured RM 1050 37 Hardened 55 HRC 38 Hardened steel Hardened 60 HRC 39 H Chilled cast iron Cast 400 40 Cast iron Hardened 55 HRC 41 • 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 (1) For workpiece materials list, see pages 1008-1043 584 584 ISCAR ISCAR