Wiper insert (Finishing) WF chipbreaker Smooth chip control improves cutting performance during finishing operations. Excellent surface finish by reducing adhesion ap (mm) 3.0 2.0 WE 1.0 WF 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 f (mm/rev) 1 Excellent chip control WF chipbreaker provides excellent chip control during high feed machining Chip control comparison (In-house evaluation) f (mm/rev) 0.1 0.2 0.3 0.4 WF chipbreaker (Wiper edge) Conventional E (No wiper) Competitor C (Wiper edge) Competitor D (Wiper edge) 0.5 Cutting conditions: Vc = 200 m/min, ap = 0.5 mm, f = 0.1 - 0.5 mm/rev, wet CNMG120408 type Workpiece: 15CrMo4 2 Excellent surface finish Prevents tool deflection by reducing radial forces Cutting force comparison (In-house evaluation) 250 Approx. 10% 200 150 WF chipbreaker reduces tearing of the finished surface by controlling adhesion with the newly designed wiper edge Surface finish comparison (In-house evaluation) f (mm/rev) 0.1 0.2 WF (Wiper edge) Radial force (N) 100 50 0 WF Conventional E Competitor C Competitor D (Wiper edge) (No wiper) (Wiper edge) (Wiper edge) Cutting conditions: Vc = 200 m/min, ap = 0.5 mm, f = 0.3 mm/rev, wet CNMG120408 type Workpiece: 15CrMo4 Competitor C (Wiper edge) Competitor D (Wiper edge) Cutting conditions: Vc = 200 m/min, ap = 0.3 mm, f = 0.1 - 0.2 mm/rev, wet CNMG120408 type Workpiece: 15CrMo4 3
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