Общий каталог ZCC-CT 2019 - страница 407

Parting & grooving Recommended cutting data Parting & grooving inserts A Starting values for cutting speed vc [m/min] Machining group HC (CVD) HC (PVD) Brinell Material group Composition / structure / heat treatment hardness HB YBC252 YBG105 YB9320 Turning approx. 0,15 % C annealed 125 1 190 200 190 approx. 0,45 % C annealed 190 2 175 180 175 Unalloyed steel approx. 0,45 % C tempered 250 3 145 150 145 approx. 0,75 % C annealed 270 4 140 145 140 approx. 0,75 % C tempered 300 5 135 140 135 P annealed 180 6 170 180 170 tempered 275 7 125 130 125 B Low-alloyed steel tempered tempered 300 350 8 9 115 105 120 110 115 105 High-alloyed steel and high-alloyed annealed 200 10 125 130 125 tool steel hardened and tempered 325 11 95 100 95 ferritic/martensitic annealed 200 12 165 170 165 Milling martensitic tempered 240 13 135 140 135 M Stainless steel austenitic quench hardened 180 14 155 160 155 austenitic-ferritic 230 15 135 140 135 perlitic/ferritic 180 16 240 250 240 Grey cast iron perlitic (martensitic) 260 17 185 190 185 ferritic 160 18 220 230 220 K Cast iron with spheroidal graphite perlitic 250 19 165 170 165 C Malleable cast iron ferritic perlitic 130 230 20 21 175 165 180 170 175 165 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 30 100 95 Fe-based alloys hardened 280 31 50 50 Heat-resistant alloys annealed 250 32 80 80 D S Ni or Co bass hardened cast 350 320 33 34 70 70 70 70 pure titanium Rm 400 35 150 145 Titanium alloys α and β alloys hardened Rm 1050 36 50 50 Information hardened and tempered 55 HRC 37 Technical 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 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 402