Special chipbreaker shape ensures good chip control toward outside of workpiece Chip control (Image) Chip control comparison (In-house evaluation) P Breaker Cutting direction Conventional ground chipbreaker Cutting direction Clogged chips often occur due to flown chips toward the cutting direction Smooth chip evacuation toward outside of workpiece Available inserts ap (mm) P Breaker Comp. A (Ground chipbreaker) 0.8 0.8 Unstable Clogged chips ap (mm) 0.5 0.5 Unstable 50 mm 0.2 0.05 0.08 f (mm/rev) 50 mm 0.2 Unstable 0.05 0.08 f (mm/rev) Stable chip control Unstable chip control Increasing cutting conditions causes clogged chips Cutting conditions: Vc = 100 m/min, wet, Workpiece: X5CrNi1810 Inserts: TP type Shape Description I.C. Right-hand (R) CCET 09T301M R/L-P 09T302M R/L-P 9.525 Right-hand (R) 09T304M R/L-P TPEH 080201M R/L-P 080202M R/L-P 4.76 080204M R/L-P TPEH 090201M R/L-P 090202M R/L-P 5.56 090204M R/L-P TPEH 110301M R/L-P 110302M R/L-P 6.35 Left-hand (L) *WBET 110304M R/L-P 080201M L/R-P 080202M L/R-P 4.76 080204M L/R-P R-hand insert for R-hand toolholder, L-hand insert for L-hand toolholder *WBET type: L-hand insert for R-hand toolholder Dimensions (mm) Thickness Hole Corner-R (rε) <0.1 Relief angle MEGACOAT NANO PR1425 PR1535 3.97 ø4.4 <0.2 7° <0.4 <0.1 2.38 ø2.3 <0.2 11° <0.4 <0.1 2.38 ø3.2 <0.2 11° <0.4 <0.1 3.18 ø3.3 <0.2 11° <0.4 <0.1 2.38 ø2.3 <0.2 5° <0.4 An insert which corner R(rε) dimension is shown with inequality sign (Ex: <0.1,<0.2) indicates minus tolerance of corner R(rε) Recommended cutting conditions Workpiece Carbon steel / Alloy steel Stainless steel Recommended grade PR1425 PR1535 Min. - Recommendation - Max. Cutting speed Vc (m/min) 60 - 120 - 200 60 - 100 - 180 ap (mm) ap (mm) 2.0 Carbon steel / Alloy steel 2.0 Stainless steel 1.0 P breaker 0.05 0.1 0.15 0.2 f (mm/rev) 1.0 P breaker 0.05 0.1 0.15 0.2 f (mm/rev) www.kyocera-unimerco.com The information contained in this brochure is current as of May 2018. Duplication or reproduction of any part of this brochure without approval is prohibited. TZE00127 © 2018 KYOCERA Corporation