3 Unique chipbreaker for long tool life and stable machining Advanced chipbreaker technology inherited from KGD lineup provides excellent chip control General use PM Chipbreaker For tough edge and high-feed machining PH Chipbreaker Insert grade For steel: PR1625 For stainless steel: PR1535 For cast iron and aluminum: GW15 Insert grade For steel: For stainless steel: PR1625 PR1535 Edge wear amount (mm) f (mm/rev) Wear resistance comparison (internal evaluation) 0.15 KPK (PR1625) Competitor B Competitor C 0.12 0.09 0.06 0.03 0.00 0 20 40 60 80 100 120 140 Cutting time (min) -1 Cutting conditions : n = 955 min (constant), Vc = ~ 150 m/min f = 0.12 mm/rev (~ ø 10 : f = 0.05 mm/rev) Wet (External coolant) Workpiece : 15CrMo4 (ø 50) cutting width: 3 mm (PM chipbreaker) Chip control comparison (internal evaluation) KPK Competitor B 0.18 Chip entanglement Competitor C Chip clogging Processing noise large 0.12 Chip entanglement 0.08 Chip entanglement -1 Cutting conditions : n = 780 min (constant) , Vc = ~ 120 m/min , wet (External coolant) Workpiece : 15CrMo4 (ø 50) cutting width: 3 mm (PM chipbreaker) SOLUTION 1 Tool life x1.3 Stable chip curl 15 Rings 100Cr6 External coolant SOLUTION 2 Machining efficiency double in stainless steel Achievement of stable machining Adaptor X5CrNiMo17-12-2 External coolant 900 3 45 ø470 ø490 ø38 KPK 34 pcs/corner 25 Competitor D pcs/corner -1 Cutting Conditions : n = 90 min (Constant) , Vc = ~ 140 m/min , f = 0.06 mm/rev , Wet (External Coolant) KPKB32-3 PKM30N-025PM PR1625 (User evaluation) Low vibration and good cutting noise KPK Competitor E -1 Cutting Conditions : n = 1,450 min (Constant) , Vc = ~ 173 m/min , f = 0.05 mm/rev (Pecking: 1 mm pitch), Wet (External coolant) KPKB32-3 PKM30N-025PM PR1535 (User evaluation) 3
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