Micro boring PF chipbreaker Excellent chip control and low cutting force ap (mm) Applicable chipbreaker range Stainless steel 0.8 0.6 0.4 PF 0.2 1 Excellent chip control 0 0.05 0.10 0.15 f (mm/rev) Superior chip control for micro boring (Minimum cutting diameter ø5 mm~) Chip control comparison (In-house evaluation) PF chipbreaker Superior chip control in a wide range of cutting conditions Competitor A Poor chip evacuation during heavy loads Competitor B Unstable chip control at low feed rates 0.6 0.4 ap (mm) 0.2 Packed Packed Packed Packed Packed Packed Packed Packed Packed Packed Packed Packed Unstable chip control 0.03 0.05 0.07 0.10 f (mm/rev) 0.03 0.05 0.07 0.10 f (mm/rev) Cutting conditions: Vc = 80 m/min, wet, workpiece: X5CrNi1810 Packed 0.03 0.05 0.07 0.10 f (mm/rev) 0.1 2 Improved cutting edge with a low cutting force design Optimized edge design Excellent chip control in a wide range of cutting conditions Large rake angle and low cutting forces Sharpened cutting edge reduces cutting forces Cutting force (N) Cutting force comparison (In-house evaluation) 160 140 PF chipbreaker Competitor A 120 Competitor B 100 80 60 40 20 35% Comparison with Competitor A 0 0.02 0.04 0.06 0.08 0.1 0.12 f (mm/rev) Lower cutting force compared with competitor A and B Cutting conditions: Vc = 80 m/min, ap = 0.4 mm, wet, workpiece: X5CrNi1810 1
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