Основной каталог Kyocera 2016-2017 - страница 716

MFK Cutter for Cast Iron NEW ■ MFK ● Multi edge cutter realizes the high efficiency cast iron machining ● 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 ■ Burr comparison MFK Burr Chattering occurred Competitor B MFK Competitor A Cutting direction Sharp cutting prevents burr formation Workpiece Materia：l FCD600, Dry, VC=180m/min, fZ=0.3mm/t, ap×ae=3×78mm M Two Two special insert structures reduce cutting force and improve edge strength points Milling 1 POINT. Low cutting force due to 2 POINT. Dual Cutting Edge Design helical cutting-edge design (High Toughness) Inserts Second main cutting edge Lead Angle A.R. Max. +15° 45°/20° Lead Angle First main cutting edge 15° Lead Angle 0° ● Cutting Force Comparison ● Fracture Resistance Comparison High Feed Resultant force in radial direction Resultant force in axial direction CA420M Multi- [N] [N] Workpiece Materia：l Function 3,000 7% DOWN 1,000 MFK FCD450 with 4 bores 16% DOWN PR1510 VC=300m/min Slot Mill 2,500 800 Force 2,000 Force fZ=0.5mm/t 600 Competitor E ap=2.0mm Ball-nose Cutting 1,500 Cutting (CVD) Wet Radius 1,000 400 500 200 Competitor F Others (CVD) 0 MFK 0 MFK 0 5 10 15 20 25 Competitor C Competitor Cutting Time (min) Reducing impact load when biting into the workpiece Workpiece Material：FCD600, Dry, φ125 VC=180m/min, fZ=0.3mm/t, ap×ae=3.0×62mm M30