Общий каталог ZCC-CT 2019 - страница 339

General turning Recommended cutting data Turning insert, positive A Starting values for cutting speed vc [m/min] Machining group BL BH Brinell Material group Composition / structure / heat treatment hardness YCB121 YCB131 YCB211 HB Feed rate [mm] Feed rate [mm] Feed rate [mm] 0,1 0,2 0,3 0,1 0,2 0,3 0,1 0,2 0,4 Turning approx. 0,15 % C annealed 125 1 approx. 0,45 % C annealed 190 2 Unalloyed steel approx. 0,45 % C tempered 250 3 approx. 0,75 % C annealed 270 4 approx. 0,75 % C tempered 300 5 P annealed 180 6 tempered 275 7 B Low-alloyed steel tempered tempered 300 350 8 9 High-alloyed steel and high-alloyed annealed 200 10 tool steel hardened and tempered 325 11 ferritic/martensitic annealed 200 12 Milling martensitic tempered 240 13 M Stainless steel austenitic quench hardened 180 14 austenitic-ferritic 230 15 perlitic/ferritic 180 16 1330 905 410 Grey cast iron perlitic (martensitic) 260 17 1100 740 330 ferritic 160 18 - - - K Cast iron with spheroidal graphite perlitic 250 19 240 180 100 C Malleable cast iron ferritic perlitic 130 230 20 21 - 240 - 180 100 - cannot be hardened 60 22 Aluminium wrought alloys hardenable hardened 100 23 ≤ 12 % Si, cannot be hardened 75 24 Cast aluminium alloys ≤ 12 % Si, hardenable hardened 90 25 Drilling 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 280 31 Heat-resistant alloys annealed 250 32 D S Ni or Co bass hardened cast 350 320 33 34 pure titanium Rm 400 35 Titanium alloys α and β alloys hardened Rm 1050 36 Information hardened and tempered 55 HRC 37 220 170 130 160 120 100 Technical Hardened steel hardened and tempered 60 HRC 38 200 160 120 150 120 100 H Hard cast iron cast 400 39 200 150 100 180 120 100 Hardened cast iron hardened and tempered 55 HRC 40 200 150 100 150 120 100 Thermoplasts 41 Thermosetting plastics 42 Plastic, glass-fibre reinforced GFRP 43 X Non-metallic materials Plastic, carbon fibre reinforced CFRP 44 E Graphite Wood 45 46 Note: The given cutting values are guide values, which were determined under ideal conditions. The values have to be adapted in individual cases. For examples of material for cutting tool groups view page D22. Index A 334