For machining heat-resistant alloy PR005S/PR015S Improved thermal properties help to reduce sudden fracture and edge wear 1 Newly developed substrate helps to reduce sudden fracture and notch wear Micro-Grain WC Coarse-Grain WC Binder phase (Pattern Diagram) Improved thermal conductivity by optimum distribution of WC coarse grains Resists heat concentration at the cutting edge to promote stable machining Low Cutting Speed High Heat-Resistant components PR005S Conventional substrate A PR005S: Hard, wear-resistant grade for high-speed machining PR015S: General purpose grade with excellent wear resistance and stability Fracture resistance comparison (Internal evaluation) PR005S PR015S PR1535 PR015S Competitor A Competitor B 0 Low Fracture Resistant Continuous Light interruption High Interruption 20 40 60 80 100 Number of impacts Average value of 4 corners Cutting conditions: Vc = 25 m/min, ap = 1.0 mm, f = 0.10 mm/rev, wet CNMG120408 type, workpiece: Nickel-based superalloy, cylindrical workpiece with 1 flat face 2 Improved wear resistance with MEGACOAT HARD coating Coating properties (Internal evaluation) Hardness (GPa) 40 MEGACOAT HARD 35 30 TiCN TiAIN MEGACOAT 25 TiN 20 15 10 400 600 800 1,000 1,200 1,400 Oxidation temperature (°C) Low Oxidation resistance High Excellent wear resistance with high-hardness and resists boundary damage with improved thermal properties Wear (mm) Wear resistance comparison (Internal evaluation) 0.30 Machining Time: 3.5 min Competitor D could only reach 2.6 minutes 0.25 PR005S 0.20 0.15 Competitor C 0.10 PR005S 0.05 Competitor C Competitor D Competitor D 0 1 2 3 4 5 Cutting Time (min) Cutting conditions: Vc = 60 m/min, ap = 1.0 mm, f = 0.20 mm/rev, wet, CNMG120408 type Workpiece: Nickel-based superalloy 1
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