Основной каталог Kyocera 2021 - 2022 - страница 796

Предыдущая страница Следующая страница

Навигация

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 conditions: Cutting direction Workpiece material: FCD600, Dry, VC=180m/min, ap×ae=3×78mm, fZ=0.3mm/t Sharp cutting prevents burr formation Two special insert structures reduce cutting force and improve edge strength 1 Low cutting force withhelical cutting-edge design 2 Dual cutting edge design(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: Workpiece material: 3,000 7% DOWN 1,000 16% DOWN MFK2,500800 FCD450 with 4 boresVC=300 m/minap=2.0 mm 2,000 600 fZ=0.5 mm/t 1,500 Competitor E Wet 400 1,000 500 200 Competitor F 0 0MFKCompetitor CMFKCompetitor D 0 5 10 15 20 25Cutting 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 Milling Cutting Force [N] Cutting Force [N] CA420M（ CVD）（ CVD）PR1510