Общий каталог ZCC-CT 2019 - страница 1065

Solid carbide drills Recommended cutting data Solid carbide drills A Starting values for cutting speed vc [m/min] Machining group SU Series SU-Drill SU Step Drill Brinell 3-5xD 8xD 3xD Material group Composition / structure / heat treatment hardness HB KDG 303 KDG 303 KDG 303 Coolant Turning Int. Ext. f-group Int. Ext. f-group Int. Ext. f-group approx. 0,15 % C annealed 125 1 150 135 8 135 125 7 150 135 8 approx. 0,45 % C annealed 190 2 130 120 8 120 110 7 130 120 8 Unalloyed steel approx. 0,45 % C tempered 250 3 120 110 6 110 100 5 120 110 6 approx. 0,75 % C annealed 270 4 110 100 6 100 90 5 110 100 6 approx. 0,75 % C tempered 300 5 100 90 6 90 85 5 100 90 6 P annealed 180 6 130 120 8 120 110 7 130 120 8 B Low-alloyed steel tempered tempered 275 300 7 8 110 100 100 90 6 6 100 90 90 85 5 5 110 100 100 90 6 6 tempered 350 9 90 85 6 85 80 5 90 85 6 High-alloyed steel and high- annealed 200 10 120 110 8 110 100 7 120 110 8 alloyed tool steel hardened and tempered 325 11 100 90 6 90 85 5 100 90 6 Milling ferritic/martensitic annealed 200 12 80 75 5 75 70 5 80 75 5 martensitic tempered 240 13 55 50 5 50 45 5 55 50 5 M Stainless steel austenitic quench hardened 180 14 60 55 5 55 50 5 60 55 5 austenitic-ferritic 230 15 50 45 5 45 45 5 50 45 5 perlitic/ferritic 180 16 135 125 8 125 115 7 135 125 8 Grey cast iron perlitic (martensitic) 260 17 110 100 8 100 90 7 110 100 8 Cast iron with spheroidal ferritic 160 18 120 110 8 110 100 7 120 110 8 K C graphite Malleable cast iron perlitic ferritic 250 130 19 20 80 130 75 120 8 8 75 120 70 110 7 7 80 130 75 120 8 8 perlitic 230 21 80 75 8 75 70 7 80 75 8 cannot be hardened 60 22 Aluminium wrought alloys hardenable hardened 100 23 ≤ 12 % Si, cannot be hardened 75 24 Drilling Cast aluminium alloys ≤ 12 % Si, hardenable hardened 90 25 N > 12 % Si, cannot be hardened 130 26 machining steel, PB> 1% 110 27 Copper and copper alloys CuZn, CuSnZn 90 28 (bronze/brass) CuSn, Pb-free copper, electrolytic copper 100 29 annealed 200 30 Fe-based alloys hardened D 280 31 Heat-resistant alloys annealed 250 32 S Ni or Co bass hardened 350 33 cast 320 34 pure titanium Rm 400 35 Titanium alloys Information α and β alloys hardened Rm 1050 36 Technical hardened and tempered 55 HRC 37 Hardened steel hardened and tempered 60 HRC 38 H Hard cast iron cast 400 39 Hardened cast iron hardened and tempered 55 HRC 40 Thermoplasts 41 Thermosetting plastics 42 Plastic, glass-fibre reinforced GFRP 43 X Non-metallic materials E Plastic, carbon fibre reinforced CFRP Graphite 44 45 Wood 46 Note: The given cutting values are guide values, which were determined under ideal conditions. The values have to be adapted in individual cases. With hole depths of 5xD adjust the cutting data accordingly to the application. f-group = feed rate recommendations on page C126. For examples of material for cutting tool groups view page D22. Index C 124