718 Каталог GUHRING 2016 Режущий инструмент для обработки наружной и внутренней резьбы Стр.706

Каталог GUHRING 2016 Режущий инструмент для резьбы Стр. 706 0718 Lab2u

Dies Hand taps DIES Material group Tens. strength MPa (N/mm2) Hardness HB Cutting speed vc m/min HSS HSS-E Structural steels < 800 - 8 - 12 - Free-cutting steels < 1000 - 10 - 14 - Unalloyed case hardened steels < 750 - 6 - 10 - Unalloyed heat-treatable steels < 850 - 6 - 10 - Alloyed case hardened steels > 850 1200 5 - 8 Alloyed heat-treatable steels > 850 1200 5 - 8 Alloyed tool steels < 1000 5 - 8 High speed tool steels > 650 1000 5 - 8 Stainless- and acid-resistant steels, sulphured < 850 4 - 6 austenitic < 850 4 - 6 martensitic < 850 4 - 6 Structural steels < 800 - 8 - 12 - Free-cutting steels < 1000 - 10 - 14 - Case hardened steels < 1000 - 6 - 10 - Heat-treatable steels < 1200 - 6 - 10 - Nitriding steels < 1200 5 - 8 Spheroidal graphite iron - < 240 5 - 8 - Aluminium and Al-alloys < 400 - 10 - 20 - Al wrought alloys < 400 - 10 - 20 - Al cast alloys < 10 % Si < 600 - 10 - 15 - > 10 % Si < 600 - 10 - 12 - Cast iron - < 240 5 - 8 - Spheroidal graphite iron - < 240 5 - 8 - Malleable cast iron - < 300 5 - 8 - Brass, short-chipping < 600 - 5 - 8 - long-chipping < 600 - 20 - 30 - Plastics 12 - 18 - Magnesium-alloys < 450 - 10 - 20 - Titanium and Ti-alloys < 1200 2 - 6 Ni-alloys < 1200 2 - 6 Material group Material example Helix angle Lubricant Structural steels St 37-2, St 50-2 etc. 17 - 22° Cutting oil Free-cutting steels 9 S Mn 28, 9 S MnPb 28 etc. 17 - 22° Cutting oil Case hardened steels C 15, Ck 15, 16 MnCr 5 etc. 17 - 22° Cutting oil, special cutting oil Heat-treatable steels C 35 Pb, C 45 etc. 13 - 18° Cutting oil, special cutting oil Stainless- and acidresistant steels x12 CrMoS 17, x12 CrNiS 188 etc. 13 - 18° Special cutting oil Grey cast iron GG 15, GG25 8 - 12° Cutting oil, petroleum Brass, short-chipping, Ms58 CuZn 39 Pb 2, CuZn 40 Pb 2 10 - 12° Cutting oil Brass, long-chipping, Ms60 CuZn 20, CuZn 37 3 - 7° Cutting oil Al-alloys, long-chipping AlCuMg 1, AlMg 3 Si 23 - 28° Special cutting oil, petroleum Al-alloys, short-chipping GD-AlSI 8 Cu 3, GD AlSi 12 13 - 18° Special cutting oil, petroleum 706 GUHRING