4 Stable chip control in a wide range of applications Chip control comparison (In-house evaluation) WE Conventional C (Non-wiper insert) 3.0 3.0 2.0 2.0 1.5 1.5 1.0 1.0 0.7 0.7 0.5 0.1 0.2 0.3 0.4 0.5 0.7 f (mm/rev) 0.5 0.1 0.2 0.3 0.4 0.5 0.7 f (mm/rev) Cutting Conditions: Vc= 200 m/min, ap = 0.5 - 3.0 mm, f = 0.1 - 0.7 mm/rev, wet, CNMG120408 type, workpiece: 15CrMo4 Competitor A (Wiper edge) 3.0 2.0 1.5 1.0 0.7 0.5 0.1 0.2 0.3 0.4 0.5 0.7 f (mm/rev) ap (mm) ap (mm) ap (mm) 5 Excellent surface finish Excellent surface finish during high feed machining Surface Roughness Rz (μm) Surface finish comparison (In-house evaluation) 25 WE (Wiper Edge) 20 Competitor A (Wiper Edge) Competitor B (Wiper Edge) 15 10 5 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 f (mm/rev) Cutting conditions: Vc = 250 m/min, ap = 0.3 mm, f = 0.1 - 0.7 mm/rev, wet CNMG120408 type Workpiece: 34CrMo4 6 Long tool life WE chipbreaker reduces cutting time by increasing feed rate and extending tool life by 3 times Wear resistance comparison (In-house evaluation) 0.10 Total cutting length comparision (In-house evaluation) 25 Flank wear VB (mm) 0.08 Total cutting length (m) Approx. 0.06 3 times 0.04 WE (Wiper edge) 0.02 Conventional D (Non-wiper insert) 0 5 10 15 20 25 30 Cutting length (m) Approx. Approx. 25 m 8.5 m 8.5 Cutting conditions: Vc = 250 m/min ap = 0.5 mm f = 0.1 mm/rev (No wiper) f = 0.3 mm/rev (Wiper edge) Wet, CNMG120408 type (Insert grade: P25 grade) WE Conventional D Workpiece: 34CrMo4 (Wiper edge) (Non-wiper insert) 2
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