Shallow grooving tools PVD coated carbide MEGACOAT NANO PR1625 Long tool life and stable machining for shallow grooving Low cutting Speed High PR1215 PR1625 Continuous General purpose Interruption Heavy interruption 1 Excellent wear resistance and stable machining Cemented carbide grade with high stability and MEGACOAT NANO with excellent adhesion resistance provides high toughness and high hardness. Long tool life is achieved in the interrupted grooving including drum and shaft of mission engine parts. Fracture resistance comparison (Internal evaluation) Available for further machining PR1625 Competitor A 1x1.5.倍6 Tool life Competitor B Cutting edge after machining PR1625 Competitor A Competitor B Excellent Competitor C Competitor C 0 500,000 N = 2 average value 1,000,000 1,500,000 Number of impacts 2,000,000 Cutting conditions: Vc = 140 m/min, f = 0.12 mm/rev, insert width 3 mm Workpiece: 42CrMo4 with 16 slots, external grooving (Heavy interruption) Wear resistance comparison - continuous (internal evaluation) Shows better wear resistance in continuous machining 0.1 PR1625 0.08 Competitor C Conventional A 0.06 0.04 0.02 0 0 50 100 150 200 Cutting time (min) PR1625 Competitor C Conventional A Cutting conditions: Vc = 120 m/min, f = 0.1 mm/rev, d = 1.5 mm, insert width 3 mm Workpiece: 34CrMo4, continuous, wet Wear (mm) Coe cient of iction comparison Hardness (Mpa) MEGACOAT NANO PR1625 Special nano coating layer properties Special surface layer with adhesion resistance High hardness with nano laminated film layer properties Tough micro-grain carbide substrate allows stable machining Coefficient of fliction comparison (Internal evaluation) 0.6 20% 0.4 0.2 0 Conventional PVD PR1625 1 Coating hardness comparison (Internal evaluation) 40 30 15% 20 10 0 Conventional PVD PR1625
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