Insert grade for machining hardened material PR015S for milling Provides long tool life and stable machining in hardened material. Excellent thermal properties and improved wear resistance with MEGACOAT HARD coating. 1 Improved thermal properties reduce sudden fracturing and decreased notch wear Micro-Grain WC Coarse-Grain WC Binder phase Heat-Resistant components PR015S Pattern diagram Improved thermal conductivity by optimum distribution of WC coarse grains Resists heat concentration at the cutting edge to promote stable machining Conventional substrate A 2 Improved wear resistance with MEGACOAT HARD coating Wear (mm) MEGACOAT HARD: High hardness and high heat-resistant PVD layer High aluminum content and multicomponent layer High hardness and oxidation resistance Multicomponent layer with excellent adhesion Carbide substrate Wear resistance comparison (Internal evaluation) Workpiece: X 40 CrMoV 5-1 (53HRC) Conventional A 0.25 0.20 Machining time: 4 min PR015S 0.15 0.10 Machining time: 4 min 0.05 Coating film property (Internal evaluation) Hardness (GPa) 40 MEGACOAT HARD 35 30 TiCN 25 TiAIN MEGACOAT 20 TiN 15 10 400 600 800 1,000 1,200 1,400 Oxidation onset temperature (°C) Low Oxidation resistance High Excellent wear resistance with high-hardness and resists boundary damage with improved thermal properties Wear (mm) Workpiece : X 153 CrMoV 12 (60HRC) 0.30 0.25 0.20 0.15 0.10 0.05 Conventional A Machining time: 6 min PR015S Machining time: 6 min 0 5 10 15 20 25 Cutting time (min) Cutting conditions: Vc = 100 m/min, ap x ae = 1.0 mm x 45 mm, fz = 0.2 mm/t, dry 0 1 2 3 4 5 6 7 8 Cutting time (min) Cutting conditions: Vc = 100 m/min, ap x ae = 1.0 mm x 10 mm, fz = 0.05 mm/t, dry 1
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