Основной каталог Kyocera 2021 - 2022 - страница 675

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MagicDrill DRA Applicable inserts 4 Easy insert replacement Replace insert without removing screw. Replace insert without Install the insert onto toolholder removing screw. (Align insert guide line with screw position). Fix the insert by tightening the screw. 5 Long tool life and stable machining of various workpieces 1st recommendation MEGACOAT NANO grade PR1535 is used to machine various materials from steel to stainless Steel / Stainless Cast iron steel, with the combination of a tough substrate and a special nano layer coating. steel PR1535 PR1525 K Coating properties Wear resistance comparison (Internal evaluation) 40 MEGACOAT NANO 0.25 35 TiCN 0.20 DRA (PR1535) 3025 TiAIN MEGACOAT Competitor H0.15Competitor I 20 TiN 0.10 15 0.05 10 400 600 800 1,000 1.200 1,400 0 10 20 30 40 50 60 70 Oxidation onset temperature (°C) Cutting time (min) Low Oxidation resistance High Cutting conditions: Vc = 100 m/min, f = 0.25 mm/revDrilling dia. ø14, L/D = 5, drilling depth 45 mm, wet, workpiece: 42CrMo4 Case studies Attachment ST44-2 Plate X5CrNi1810 Through-hole Vc = 70 m/min (n = 1,240 min-1) Vc = 60 m/min (n = 2,120 min-1) f = 0.23 mm/rev (Vf = 285 mm/min) f = 0.12 mm/rev (Vf = 254 mm/min) Drilling depth 100 mm Drilling depth 15 mm Wet (Internal coolant) Wet (Internal coolant) With center hole drilling SS10-DRA090M-3 SF25-DRA180M-8 DA0900M-GM PR1535 DA1800M-GM PR1535 Through-hole Cutting time Number of holes 30% DRA ø18-8D 45 sec DRA ø9-3D 500 5times Competitor Jø18-7D 65 sec Competitor Kø9-3D 100 (Modular drill) (Modular drill) Competitor J applied a peck cycle to avoid chip clogging. DRA controlled chip DRA extended the tool life by 5 times compared to Competitor K. DRA evacuation without pecking. maintained stable machining and excellent surface finish with less cutting (User evaluation) noise. (User evaluation) K5 Hardness (GPa) Wear (mm) Drilling