Recommended Cutting Conditions GV Inserts (Ground Chipbreaker) Recommended Insert Grades (1) f for Grooving (mm/rev) (Cutting Speed Vc: m/min) (2) f for Turning (mm/rev) (3) ap for Turning (mm) PVD Coated GV& GV& GV& GV& Remarks Workpiece Material Cermet MEGACOAT Carbide Carbide 100~300-...SS 145~185-...B 200~280-...B 300~400-...B 100~300-...S TN90 TC40N TC60M PR1225 PR930 KW10 GV& GV& GV& GV& GV& GV& 100~340-...A 200-100BR 300-150BR 280~300-...C 340~400-...C 430~500-...C 200~300-...AR ☆ ☆ ☆ ★ ☆ (1) 0.03~0.08 (1) 0.03~0.08 (1) 0.04~0.09 (1) 0.05~0.12 (1) 0.04~0.09 (1) 0.05~0.12 (1) 0.05~0.12 Carbon Steel 120~180 120~180 80~120 80~160 80~140 - (2) 0.03~0.08 (2) 0.03~0.08 (2) 0.04~0.09 (2) 0.05~0.1 (2) 0.04~0.09 (2) 0.05~0.1 (2) 0.05~0.1 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 ☆ ☆ ☆ ★ ☆ (1) 0.03~0.07 (1) 0.03~0.07 (1) 0.04~0.08 (1) 0.05~0.1 (1) 0.04~0.08 (1) 0.05~0.1 (1) 0.05~0.1 Alloy Steel 100~160 100~160 80~100 80~140 80~120 - (2) 0.03~0.1 (2) 0.03~0.1 (2) 0.04~0.08 (2) 0.05~0.1 (2) 0.04~0.08 (2) 0.05~0.1 (2) 0.05~0.1 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 ☆ ☆ ★ ☆ (1) 0.03~0.07 (1) 0.03~0.07 (1) 0.04~0.08 (1) 0.05~0.1 (1) 0.04~0.08 (1) 0.05~0.1 (1) 0.05~0.1 Coolant Stainless Steel 70~130 - 60~100 60~130 60~110 - (2) 0.03~0.1 (2) 0.03~0.1 (2) 0.04~0.08 (2) 0.05~0.1 (2) 0.04~0.08 (2) 0.05~0.1 (2) 0.05~0.1 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 ★ (1) 0.03~0.08 (1) 0.03~0.08 (1) 0.04~0.09 (1) 0.05~0.12 (1) 0.04~0.09 (1) 0.05~0.12 (1) 0.05~0.12 Cast Iron - - - - - 60~100 (2) 0.03~0.08 (2) 0.03~0.08 (2) 0.04~0.09 (2) 0.05~0.1 (2) 0.04~0.09 (2) 0.05~0.1 (2) 0.05~0.1 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 ★ (1) 0.05~0.12 (1) 0.05~0.12 (1) 0.05~0.15 (1) 0.08~0.15 (1) 0.05~0.15 (1) 0.08~0.15 (1) 0.08~0.15 Aluminum - - - - - 150~300 (2) 0.05~0.12 (2) 0.05~0.12 (2) 0.05~0.15 (2) 0.08~0.15 (2) 0.05~0.15 (2) 0.08~0.15 (2) 0.08~0.15 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.8 (3) Max. 0.5 (3) Max. 0.8 (3) Max. 0.8 ★ (1) 0.05~0.12 (1) 0.05~0.12 (1) 0.05~0.15 (1) 0.08~0.15 (1) 0.05~0.15 (1) 0.08~0.15 (1) 0.08~0.15 Brass - - - - - 100~250 (2) 0.05~0.12 (2) 0.05~0.12 (2) 0.05~0.15 (2) 0.08~0.15 (2) 0.05~0.15 (2) 0.08~0.15 (2) 0.08~0.15 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.8 (3) Max. 0.5 (3) Max. 0.8 (3) Max. 0.8 G * Use MEGACOAT, PVD coated grade or carbide for turning with edge width 1mm (GV&100SS / 100S / 100A) ★ :1st Recommendation ☆ :2nd Recommendation GVF Inserts (Ground Chipbreaker) Recommended Insert Grades (1) f for Grooving (mm/rev) (Cutting Speed Vc: m/min) (2) f for Turning (mm/rev) (3) ap for Turning (mm) Remarks Cermet MEGACOAT PVD Coated Carbide GVF& GVF& GVF& GVF& GVF& Grooving Workpiece Material Carbide 200~340...A 250~350...B 400~490...B 350~450...C 500~600...C TN60 TN90 TC40N TC60M PR1225 PR930 KW10 GVF& GVF& GVF& 200-100AR 300-150BR 400-200BR ~300-150AR ☆ ☆ ☆ ★ ☆ (1) 0.03~0.08 (1) 0.04~0.09 (1) 0.05~0.1 (1) 0.05~0.12 (1) 0.05~0.12 Carbon Steel - 150~220 150~220 100~150 80~200 80~180 - (2) 0.03~0.08 (2) 0.04~0.09 (2) 0.05~0.1 (2) 0.05~0.1 (2) 0.05~0.1 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.8 ☆ ☆ ☆ ★ ☆ (1) 0.03~0.07 (1) 0.04~0.08 (1) 0.05~0.09 (1) 0.05~0.1 (1) 0.05~0.1 Alloy Steel - 130~200 130~200 80~130 80~180 80~160 - (2) 0.03~0.1 (2) 0.04~0.08 (2) 0.05~0.09 (2) 0.05~0.1 (2) 0.05~0.1 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.8 ☆ ☆ ★ ☆ (1) 0.03~0.07 (1) 0.04~0.08 (1) 0.05~0.09 (1) 0.05~0.1 (1) 0.05~0.1 Coolant Stainless Steel - 70~150 - 60~100 80~150 60~130 - (2) 0.03~0.1 (2) 0.04~0.08 (2) 0.05~0.09 (2) 0.05~0.1 (2) 0.05~0.1 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.8 ★ (1) 0.03~0.08 (1) 0.04~0.09 (1) 0.05~0.1 (1) 0.05~0.12 (1) 0.05~0.12 Cast Iron - - - - - - 60~100 (2) 0.03~0.08 (2) 0.04~0.09 (2) 0.05~0.1 (2) 0.05~0.1 (2) 0.05~0.1 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.8 ★ (1) 0.05~0.12 (1) 0.05~0.15 (1) 0.05~0.15 (1) 0.08~0.15 (1) 0.08~0.15 Aluminum - - - - - - 150~400 (2) 0.05~0.12 (2) 0.05~0.15 (2) 0.05~0.15 (2) 0.08~0.15 (2) 0.08~0.15 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.8 (3) Max. 0.8 (3) Max. 0.8 ★ (1) 0.05~0.12 (1) 0.05~0.15 (1) 0.05~0.15 (1) 0.08~0.15 (1) 0.08~0.15 Brass - - - - - - 150~300 (2) 0.05~0.12 (2) 0.05~0.15 (2) 0.05~0.15 (2) 0.08~0.15 (2) 0.08~0.15 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.8 (3) Max. 0.8 (3) Max. 0.8 · Apply a sufficient amount of coolant. ★ :1st Recommendation ☆ :2nd Recommendation · The ap should be under 0.5mm if a good surface finish is required. FTK Recommended Insert Grades (Cutting Speed Vc: m/min) Edge Width (mm) Remarks Workpiece Material Cermet CVD Coated PVD Coated Carbide Carbide 4.0 5.0 Carbide TN90 CR9025 PR660 PR930 KW10 f (mm/rev) Carbon Steel ☆ ★ ☆ ☆ - 0.05~0.15 0.05~0.15 120~200 80~180 60~130 60~130 Alloy Steel ☆ ★ ☆ ☆ - 0.05~0.15 0.05~0.15 100~160 70~150 60~130 60~130 Stainless Steel ☆ ☆ ★ ☆ - 0.05~0.15 0.05~0.15 Coolant 80~150 60~140 50~120 50~120 Cast Iron - - - - ★ 0.10~0.30 0.10~0.30 50~100 Aluminum - - - - ★ 0.05~0.25 0.05~0.25 200~450 Brass - - - - ★ 0.05~0.25 0.05~0.25 100~200 ★ :1st Recommendation ☆ :2nd Recommendation GMN Inserts (CBN / PCD) Recommended Insert Grades (Cutting Speed Vc: m/min) (1) f for Grooving (mm/rev) Remarks CBN PCD (2) f for Turning (mm/rev) Workpiece Material (3) ap for Turning (mm) KBN510 KPD001 GMN2 GMN3 GMN4 GMN6 KBN525 (KPD010) GMN5 ★ (1) 0.05~0.15 (1) 0.05~0.15 (1) 0.08~0.18 (1) 0.10~0.20 Aluminum - 150~2,000 (2) 0.05~0.15 (2) 0.05~0.15 (2) 0.08~0.18 (2) 0.10~0.20 (3) Max. 0.5 (3) Max. 0.8 (3) Max. 0.8 (3) Max. 0.8 ★ (1) 0.05~0.15 (1) 0.05~0.15 (1) 0.08~0.18 (1) 0.10~0.20 Coolant Brass - 200~800 (2) 0.05~0.15 (2) 0.05~0.15 (2) 0.08~0.18 (2) 0.10~0.20 (3) Max. 0.5 (3) Max. 0.8 (3) Max. 0.8 (3) Max. 0.8 ★ (1) 0.04~0.09 (1) 0.05~0.1 (1) 0.05~0.12 (1) 0.05~0.15 Cast Iron 150~400 - (2) 0.04~0.09 (2) 0.05~0.1 (2) 0.05~0.12 (2) 0.05~0.15 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.8 ★ (1) 0.02~0.05 (1) 0.03~0.07 (1) 0.03~0.08 (1) 0.05~0.1 Hard materials 80~120 - (2) 0.01~0.03 (2) 0.01~0.05 (2) 0.03~0.08 (2) 0.05~0.1 (3) Max. 0.1 (3) Max. 0.2 (3) Max. 0.3 (3) Max. 0.4 ★ :1st Recommendation G104