Каталог Iscar сверла со сменной режущей частью 2022 - страница 78

INDEXABLE DRILLS ISO Hardness HB Material No.(1) 26< ØD <28 29< ØD <32 33< ØD <35 36< ØD <43 44< ØD <50 USER GUIDE Recommended Machining Conditions for MNC drills Feed vs. Drill Diameter F [mm/rev] Cutting Speed Vc Tensile [m/min] Strength Vc Vc f f f f f f f f f f Material Condition [N/mm2] min max min max min max min max min max min max < 0.25 %C Annealed 420 125≥ 0.25 %CAnnealed65019012 120 200 Non-alloy steeland cast steel,< 0.55 %C Quenched and tempered850250 3 0.25 0.35 0.25 0.35 0.25 0.40 0.25 0.40 0.28 0.45 free cutting steel Annealed 750 220 4 130 190 ≥ 0.55 %C Quenchedand tempered 1000 300 5 Annealed 600 200 6 P Low alloy and cast steel (less 930 275than 5% of alloying elements) Quenched and tempered1000300781201800.250.330.250.330.25 0.38 0.25 0.38 0.26 0.43 1200 350 9 High alloyed steel, caststeel and tool steelAnnealed 680 200 10Quenchedand tempered1100325111001600.250.33 0.25 0.33 0.25 0.36 0.25 0.36 0.26 0.41 Ferritic/Stainless steel and cast steelmartensitic68020012 90 140 0.12 0.24 0.12 0.24 0.16 0.25 0.18 0.25 0.18 0.30 Martensitic 820 240 13 M Stainless steel and cast steel Austenitic,duplex 600 180 14 90 140 0.12 0.24 0.12 0.24 0.16 0.25 0.18 0.25 0.18 0.30 Ferritic /Gray cast iron (GG)pearliticPearlitic /martensitic1801526016 K Nodular cast iron (GGG) FerriticPearlitic 160 17 150 250 0.25 0.40 0.25 0.45 0.3 0.50 0.3 0.50 0.35 0.5525018 Malleable cast iron FerriticPearlitic 130 1923020 NotAluminum-wrought alloyshardenable60 21 Hardenable 100 22 160 260 0.3 0.50 0.3 0.50 0.35 0.55 0.35 0.55 0.4 0.60 ≤12% Si Nothardenable 75 23 Aluminum-cast alloys Hardenable 90 24 N >12% Si Hightemperature 130 25 >1% Pb Free cutting 110 26 Copper alloys Brass 90 27 Electrolyticcopper 100 28 Duroplastics,Non metallicfiber plastics 29 Hard rubber 30 Fe based AnnealedHardened 200 3128032 High temperaturealloysNi or CoSbasedAnnealedHardenedCast 250 333503432035 Pure 400 36 Titanium alloys Alpha+betaalloys, 1050 37 hardened Hardened steelHChilled cast iron Hardened 55 HRC 38 20 50 0.1 0.16 0.12 0.18 0.14 0.2 0.14 0.2 0.16 0.22Hardened60 HRC39Cast40040 Cast iron Hardened 55 HRC 41 (1) For workpiece materials list, see pages 495-524 . 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. 76 ISCAR