131 Каталог KYOCERA 2016 Металлорежущий инструмент для токарной обработки на станках Стр.C3

Каталог KYOCERA 2016 Токарные резцы с пластинами Стр. C3 0131 ENG Lab2u

CBN TOOLS Negative Inserts, Features of New Edge Prep. (Machining of Hard Materials) MEP (High Speed / Continuous Machining) Cutting Force Comparison Wear Comparison 0.005”x25° ME 0.002”x45° MEP Width: Standard Angle: Standard - Width: Narrow Angle: Large DCLNR2525M-12 CNGA432 Type (KBN05M) 4118H Hardened (55-60HRC) Vc= 490 sfm, D.O.C. = 0.008” f = 0.006 ipr, DRY 11 im Principal Force j '-sj.Cutting Force MEP Performs Lower Cutting Force than ME Sharp Cutting 4118H Hardened (55-60HRC) Vc-490 sfm, D.O.C. = 0.008” f = 0.016 ipr, DRY 0.0039 0.0031 S 0.0024 CCS CD 5 0.0016 E 0.0008 0 Rake Face eiJ 0.005" x 25° (ME) 0.002" x 45° (MEP) // / . . . 2 4 6 8 Cutting Time (min) MEP Prevents the Flank Wear, Compared to ME Prevents Crater Wear 10 MEH (Interruption / High Feed Machining) Toughness and Controls Flaking Prevention of Flaking MEH (S00630) High toughness against thrust force Excellent thermal conductivity Less fracture and flaking Low toughness Poor thermal conductivity Fractures and flaking due to thrust force Cutting Force and Chamfered Angle /Width Cutting Conditions Chamfered Width: 0.005” Vc=328 sfm D.0.c.=0.004” f=0.010” ipr Cutting Conditions Chamfered Angle: 25° Vc=328 sfm D.0.c.=0.004” f=0.010” ipr 500 400 300 200 100 0 - Back Force - Principal Force - Feed Force Chamfered Angle (°) 0.004 0.008 0.012 Chamfered Width (in) 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 PVD Layer Coating Properties CL <3 u X TiC O MEGA TiCNO - o TiNO TiAl 200 400 600 800 1000 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 Kyocera C3 GRADES INSERTS CBN & PCD TOOLHOLDERS SMALL TOOLS BORING GROOVING CUT-OFF THREADING HSK TOOLING SPARE PARTS TECHNICAL INDEX