DLC coating PDL010/PDL025 Achieves long tool life with hardness close to that of diamond. Large lineup for turning, cut-off, and milling operations. Low Wear resistance High NEW PDL010 PDL025 Low Fracture resistance High Aluminum machining application map 1 Long and stable tool life High hardness with Kyocera’s proprietary hydrogen-free DLC coating Coating properties (In-house evaluation) Hardness (GPa) 120 100 80 60 40 20 0 200 Diamond PDL010/PDL025 Competitor B Hydrogen-free DLC coating Competitor A DLC coating with hydrogen 400 600 800 1,000 Young’s modulus (GPa) Tool life (In-house evaluation) Further machining is possible 25 20 Over 2 times longer 15 Fracture due to welding 10 PDL025 After machining 25 m Cutting length (m) 5 0 PDL025 Competitor C Competitor C After machining 11 m Cutting conditions: Vc = 500 m/min, fz = 0.2 mm/t, ap × ae = 3 × 5 mm, dry Cutter dia. ø25 mm, workpiece: AlZnMgCu1.5 2 Excellent surface finish Excellent surface finish with aluminum welding resistance Welding resistance comparison (In-house evaluation) Minor welding Welding Machined surface comparison (In-house evaluation) Machined surface is clouded PDL025 Competitor D Cutting Conditions: Vc = 800 m/min, fz = 0.1 mm/t, ap × ae = 3 × 5 mm, dry Cutter dia. ø25 mm, Workpiece: AlMg2.5, cutting length: 57 m PDL025 Competitor E Cutting Conditions: Vc = 800 m/min, fz = 0.1 mm/t, ap × ae = 3 × 5 mm, dry Cutter dia. ø25 mm, workpiece: A6061, cutting length: PDL025 (48 m), Competitor E (14 m) 1
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