Основной каталог Kyocera 2021 - 2022 - страница 861

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Lead angle 0°/ 2° MFWN MFWN Double-sided, 6-edge insert, 90˚cutters Low cutting force and reduced chattering “Large slant edge” design Economical Double-sided 90° 6-edge insert Tough cutting Edge with ˚ thick edge design 1 Sharp cutting with low cutting force Sharp cutting by large rake angle Cutting force comparison Ｖc = 180m/min (Internal evaluation) ap×ae = 7× 110mm fz = 0.2mm/t Workpiece material: S50C A.R. Max.+13° ø125mm Cutter * Cutting force is the resultant force of the principal force and the feed force. 4,000 3,500 M Cutting force ( N ) “Large slant edge” design reduces shock when cutting edge enters the workpiece 3,000 100% 115% 121% 2,500 Milling 2,000 “Large slant edge” design MFWN Competitor A Competitor B GM Chipbreaker (Positive) (Negative) 2 Reduced chattering Vc = 200m/min ap×ae = 3×15mm Surface finish comparison Applicable Machining noise comparison to fz = 0.1mm/t (Internal evaluation) long overh (Internal evaluation) Workpiece material: S50C ang ø 80mm Cutter (7 flutes) MFWN 80 60 Sound pressure level (spl) 350mm (Overhang length) No chattering 40 20 Competitor C 100% 154% 202% 0 Chattering MFWN Competitor D Competitor E GM chipbreaker (Negative) (Negative) occurred M89