Основной каталог Kyocera 2016-2017 - страница 774

MFWN ■ MFWN 6 Advantages Double-Sided, 6-edge insert, 90°Cutters Low cutting force and reduced chattering “Large slant edge” Design Economical Double-sided 90° 6-edge Insert Cutting angle 90° Tough Cutting Edge due to Thick Edge Design Advantage 1 Sharp cutting due to low cutting force ● Sharp cutting by large rake angle ● Cutting Force Comparison Ｖc = 180m/min ap×ae = 7×110mm fz = 0.2mm/t A.R. Max.+13° Workpiece Material：S50C φ125mm Cutter * Cutting force is the resultant force of the principal force and the feed force. 4,000 Cutting force (N) 3,500 ●“Large slant edge” Design reduces shock M when cutting edge enters the workpiece 3,000 100% 115% 121% 2,500 “Large slant edge” Design 2,000 Milling MFWN Competitor A Competitor B GM Chipbreaker (Positive) (Negative) (Internal evaluation) Inserts Reduced Lead Angle Advantage 2 chattering loAnpgpolivcearbhlaentgo 45°/20° Lead Angle Vc = 200m/min 15° ap×ae = 3×15mm ● Surface Finish Comparison ● Machining Noise Comparison fz = 0.1mm/t Lead Angle Workpiece Material：S50C 0° φ80mm Cutter (7 inserts) High Feed MFWN 80 Multi- Sound Pressure Level (spl) Function 60 Slot Mill No Chattering (Overhang Length) Ball-nose 40 Radius Others 20 Competitor C 100% 154% 202% 0 MFWN 350mm Chattering occurred Competitor D Competitor E GM Chipbreaker (Negative) (Negative) (Internal evaluation) M88