144 Каталог KYOCERA 2017 Инструмент сборный и монолитный для станков Стр.C3

Каталог KYOCERA 2017 Инструмент режущий Стр. C3 0144 Lab2u

Negative Inserts, Features of new edge prep. (Machining of hard materials) (1) MEP (High speed / Continuous) Cutting force comparison 300 Wear comparison 0.05mm X 45° MEP DCLNR2525M-12 CNGA120408type (KBN05M) SCM415H Carburizing hardened(55 60HRC) Vc=150m/min, ap=0.2mm f=0.15mm/rev, Dry SCM415H Carburizing hardened (55 60HRC) Vc=150m/min, ap=0.2mm f=0.15mm/rev, Dry Rake face Feedforce BaCkforce 0.1 0.08 E E 0.06 CC 0 5 0.04 c c0 LL 0.02 0 (1)0.12mmx25°(ME) (2)0.05mmx45°(MEP) ' 46 Cutting Time (min) 10 Cutting force MEP performs lower cutting force than ME MEP prevents the Flank wear, compared to ME o CL o3 Z o Sharp cutting (2) MEH (Interruption / High feed machining) Toughness and Prevention of flaking Prevents crater wear Prevention of flaking MEH (S04030) High toughness against back force Excellent thermal conductivity Less fracture and flaking Low toughness Poor thermal conductivity Fractures and flaking due to back force ME (S01225) Cutting force and chamfered angle / width Cutting Conditions Chamfered width : 0.12mm Vc=100m/min ap=0.1mm f=0.25mm/rev Cutting Conditions Chamfered angle : 25° Vc=100m/min ap=0.1mm f=0.25mm/rev £ O) c D O 500 400 300 200 100 0 Chamfered angle (° 0.1 0.2 0.3 0.4 Chamfered width (mm) Cutting force is influenced by chamfered angle more than chamfered width. Though enlarging chamfered angle is more effective for fracture resistance improvement than changing chamfered width, the cutting force increases as well. Please refer to the graph for details. MEGACOAT CBN Properties of PVD Coating 40 CL 30 0 g H Tic O MEC TiCNO Ti O TiA rACO AT 0 200 400 600 800 1,000 1,200 Oxidation temperature (°C) Advantages of MEGACOAT Extended Tool Life Long tool life and stable machining due to superior heat-resistance and hardness Stability improvement through prevention of crater wear (oxidation, diffusional wear) High thermal stability and surface smoothness provide excellent surface finish C3 2 8 0 20 10