Основной каталог Kyocera 2021 - 2022 - страница 796

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Lead angle 45°/ 24°/ 20° MFK High efficiency cast iron machining MFK 10-edge pentagonal inserts for stable and economical machining MFK reduces cutting force by good balanced design Excellent surface finish by controlling chattering Surface finish comparison (Internal evaluation) Burr comparison (Internal evaluation) MFK Chattering occurred Burr Competitor B MFK Competitor A M Cutting direction Cutting conditions: Workpiece material: FCD600, Dry, VC=180m/min, ap×ae=3×78mm, fZ=0.3mm/t Sharp cutting prevents burr formation Milling Two special insert structures reduce cutting force and improve edge strength Low cutting force with Dual cutting edge design 1 helical cutting-edge design 2 (High toughness) Second main cutting edge A.R. max. +15˚ First main cutting edge Cutting force comparison (Internal evaluation) Fracture resistance comparison (Internal evaluation) Resultant force in radial direction Resultant force in axial direction Cutting conditions: （ CVD）（ CVD） PR1510 CA420M Workpiece material: 3,000 1,000 FCD450 with 4 bores 7% DOWN 16% DOWN MFK 2,500 VC=300 m/min 800 ap=2.0 mm Cutting Force [N] Cutting Force [N] 2,000 600 fZ=0.5 mm/t 1,500 Competitor E Wet 400 1,000 500 200 Competitor F 0 0 0 5 10 15 20 25 MFK Competitor C MFK Competitor D Cutting time (min) Cutting conditions: Workpiece material: FCD600, dry, ø125 Reducing impact load when biting into the workpiece VC=180 m/min, ap×ae=3.0×62 mm, fZ=0.3 mm/t M24