141 Каталог KYOCERA 2016 Инструмент режущий станочный Пластины Резцы Фрезы Сверла Стр.C3

Каталог KYOCERA 2016 Режущий инструмент для станков Стр. C3 0141 Lab2u

Negative Inserts, Features of new edge prep. (Machining of hard materials) (1) MEP (High speed / Continuous) Cutting force comparison 300 Wear comparison 0.12mm X 25° ME Width: Standard Angle: Standard 0.05mm X 45° MEP Width: Narrow Angle: Large DCLNR2525M-12 CNGA120408 type (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 (1) 0.12mmx25° (ME) (2) 0.05mmx45° (MEP) . 0.04 Back force 4 6 8 Cutting Time (min) Principal force Cutting force MEP performs lower cutting force than ME "MEP prevents the Flank wear, compared to ME Sharp cutting Prevents crater wear (2) MEH (Interruption / High feed machining) Toughness and Prevention of flaking Prevention of flaking High toughness against back force Excellent thermal conductivity meh 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 400 (N) cer( 300 orf g 200 in tit u C 100 Back force - Principal force Feed force 500 400 (N) cer( 300 orf g 200 c O 100 Back force - Principal force Feed force - 1 1 1 1 1 1 1 1 1 - > i t -jt' 10 20 30 40 50 Chamfered angle (°) 0.1 0.2 0.3 0.4 Chamfered width (mm) 0.5 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 H 10 TiC MEGAC TiCNO - o TiN O TiAIN 0 200 400 600 800 1,000 1,200 Oxidation temperature (°C) 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 0 2 500 0 60 0 0 20