38 Каталог KORLOY 2016 Металлорежущий инструмент и станочная оснастка ENG Стр.A27

Каталог KORLOY 2016 Инструмент и оснастка Стр. A27 0038 ENG Lab2u

Milling Grades Milling Cermet Grades Features High hardness substrate ensures long tool life in high speed milling. High toughness cutting edge ensures long tool life even in high impact machining. Chemically stable substrate provides excellent surface finish of the workpiece. Selection system Workpiece Machining types Grade Recommended cutting speed(m/min) ISO Application range Steel Continuous cutting CN2000 250 (200 300) P10 CN20 180 (130 230) P20 CN2000 CN20 Interrupted cutting CN30 150 (100 200) P30 The features of main cermet grades Cermet Grade ISO Features CN2000 P20 P30 Universal grade from finishing to roughing of steel Functionally Gradient Material CN20 P20 P30 For general turning and milling of steel Universal cermet with wear resistance and toughnes CN30 P25 P35 For milling of steel Cermet with high toughness The physical properties of grades Workpiece Grade Hardness(Hv) TRS(kgf/mm2) SG(g-cm-3) CN2000 1800 210 6.8 7.0 P CN20 1600 220 6.7 7.0 CN30 1500 240 7.0 7.3 Cutting performance (CN30) P Carbon steel (SM45C) i Cutting vc(m/min) = 120 150 condition fz(mm/t) = 0.07 0.13 ap(mm) = 2.0 dry i Designation insert SDCN42MT HOLDER ADN4315R Test result CN30 Competitor P Mold steel (KP4M) Cutting condition vc(m/min) = 230 fz(mm/t) = 0.1 0.15 ap(mm) = 1.0 dry i Designation insert SDCN42MT HOLDER ADN4315R Test result CN30 Competitor Grades & Chip Breakers 27 140% 120% 100% 100%