Recommended Cutting Conditions TGF inserts (Ground Chipbreaker) Recommended Insert Grades (Cutting Speed Vc: m/min) (1) f for Grooving (mm/rev) Cermet MEGA PVD Coated Carbide Carbide CBN PCD (2) f for Turning (mm/rev) Remarks (3) ap for Turning (mm) Workpiece Material TC40N PR1215 PR930 PR1115 KW10 KBN510 KPD001 (KPD010) TGF32& TGF32& TGF32& TGF32& 033~050-005 075~095-010 100~145-010 150~250-010 ☆ ★ ☆ ☆ (1) 0.01~0.05 (1) 0.02~0.07 (1) 0.03~0.08 (1) 0.03~0.08 Carbon Steel 150~220 80~180 80~180 80~180 - - - (2) Not recom. (2) Not recom. (2) 0.03~0.06 (2) 0.03~0.06 (3) Not recom. (3) Not recom. (3) Max. 0.2 (3) Max. 0.2 ☆ ★ ☆ ☆ (1) 0.01~0.04 (1) 0.02~0.06 (1) 0.03~0.07 (1) 0.03~0.07 Alloy Steel 130~200 80~160 80~160 80~160 - - - (2) Not recom. (2) Not recom. (2) 0.02~0.05 (2) 0.02~0.05 (3) Not recom. (3) Not recom. (3) Max. 0.2 (3) Max. 0.2 ☆ ☆ ★ (1) 0.01~0.04 (1) 0.02~0.06 (1) 0.03~0.07 (1) 0.03~0.07 Stainless Steel - 60~130 60~130 60~130 - - - (2) Not recom. (2) Not recom. (2) 0.02~0.05 (2) 0.02~0.05 Coolant (3) Not recom. (3) Not recom. (3) Max. 0.2 (3) Max. 0.2 ★ (1) 0.01~0.05 (1) 0.02~0.07 (1) 0.03~0.08 (1) 0.03~0.08 Cast Iron - - - - 60~100 - - (2) Not recom. (2) Not recom. (2) 0.03~0.06 (2) 0.03~0.06 (3) Not recom. (3) Not recom. (3) Max. 0.2 (3) Max. 0.2 ★ ★ (1) 0.01~0.05 (1) 0.02~0.07 (1) 0.03~0.08 (1) 0.03~0.08 Aluminum - - - - 150~400 - 150~2,000 (2) Not recom. (2) Not recom. (2) 0.03~0.06 (2) 0.03~0.06 (3) Not recom. (3) Not recom. (3) Max. 0.2 (3) Max. 0.2 ★ ★ (1) 0.01~0.04 (1) 0.02~0.06 (1) 0.03~0.07 (1) 0.03~0.07 Brass - - - - 150~300 - 200~800 (2) Not recom. (2) Not recom. (2) 0.02~0.05 (2) 0.02~0.05 (3) Not recom. (3) Not recom. (3) Max. 0.2 (3) Max. 0.2 MEGA indicates MEGACOAT. ★ :1st Recommendation ☆ :2nd Recommendation G TG inserts (Ground Chipbreaker) will be switched to GBA. Recommended Insert Grades (Cutting Speed Vc: m/min) f (mm/rev) Cermet PVD Coated Carbide Carbide CBN PCD Remarks Workpiece Material TN60 TC40N TC60M PR630 PR930 KW10 KBN510 KPD001 (KPD010) TG& TG& TG& TG& TG& Grooving 075~095 125~200 230~300 330~400 430~450 Carbon Steel ★ - - - - - - - 0.03~0.07 0.03~0.08 0.05~0.1 0.05~0.12 0.05~0.12 Coolant 150~220 Alloy Steel ★ - - - - - - - 0.02~0.06 0.03~0.07 0.05~0.09 0.05~0.1 0.05~0.1 130~200 * Above cutting condition is for external grooving. Set both cutting speed and feed 10% lower for internal grooving. ★ :1st Recommendation ☆ :2nd Recommendation GH inserts (Ground Chipbreaker) Recommended Insert Grades (Cutting Speed Vc: m/min) (1) f for Grooving (mm/rev) Cermet PVD Coated Carbide Ceramic (2) f for Turning (mm/rev) Remarks Carbide (3) ap for Turning (mm) Workpiece Material TN90 TC40N TC60M PR930 KW10 A65 A66N PT600M GH GH GH GH 40~50... 55~70... 75~80... 100~120... ☆ ☆ ☆ ★ (1) 0.07~0.2 (1) 0.07~0.2 (1) 0.1~0.25 (1) 0.15~0.3 Carbon Steel 150~220 150~220 100~150 80~180 - - - - (2) 0.07~0.15 (2) 0.07~0.15 (2) 0.1~0.2 (2) 0.15~0.25 (3) Max. 1.0 (3) Max. 1.0 (3) Max. 1.5 (3) Max. 2.0 ☆ ☆ ☆ ★ (1) 0.07~0.18 (1) 0.07~0.18 (1) 0.1~0.23 (1) 0.15~0.27 Alloy Steel 130~200 130~200 80~130 80~160 - - - - (2) 0.07~0.13 (2) 0.07~0.13 (2) 0.1~0.18 (2) 0.15~0.22 (3) Max. 1.0 (3) Max. 1.0 (3) Max. 1.5 (3) Max. 2.0 ☆ ☆ ★ (1) 0.07~0.16 (1) 0.07~0.16 (1) 0.1~0.21 (1) 0.15~0.25 Stainless Steel 70~150 - 60~100 60~130 - - - - (2) 0.07~0.13 (2) 0.07~0.13 (2) 0.1~0.18 (2) 0.15~0.22 (3) Max. 1.0 (3) Max. 1.0 (3) Max. 1.5 (3) Max. 2.0 KW10 KW10 KW10 KW10 (1) 0.07~0.2 (1) 0.07~0.2 (1) 0.1~0.25 (1) 0.15~0.3 (2) 0.07~0.15 (2) 0.07~0.15 (2) 0.1~0.2 (2) 0.15~0.25 Coolant Cast Iron - - - - ★ ☆ ☆ ☆ (3) Max. 1.0 (3) Max. 1.0 (3) Max. 1.5 (3) Max. 2.0 60~100 150~300 150~300 150~300 A65/A66N A65/A66N A65/A66N A65/A66N (1) 0.03~0.07 (1) 0.03~0.07 (1) 0.05~0.09 (1) 0.05~0.09 (2) Not recom. (2) Not recom. (2) Not recom. (2) Not recom. (3) Not recom. (3) Not recom. (3) Not recom. (3) Not recom. ★ (1) 0.07~0.2 (1) 0.07~0.2 (1) 0.1~0.25 (1) 0.15~0.3 Aluminum - - - - 150~400 - - - (2) 0.07~0.15 (2) 0.07~0.15 (2) 0.1~0.2 (2) 0.15~0.25 (3) Max. 1.0 (3) Max. 1.0 (3) Max. 1.5 (3) Max. 2.0 ★ (1) 0.07~0.2 (1) 0.07~0.2 (1) 0.1~0.25 (1) 0.15~0.3 Brass - - - - 150~300 - - - (2) 0.07~0.15 (2) 0.07~0.15 (2) 0.1~0.2 (2) 0.15~0.25 (3) Max. 1.0 (3) Max. 1.0 (3) Max. 1.5 (3) Max. 2.0 ☆ ☆ ☆ (1) 0.02~0.05 (1) 0.02~0.05 (1) 0.02~0.05 Hard materials - - - - - 40~80 40~80 40~80 (2) 0.01~0.03 (2) 0.01~0.03 (2) 0.01~0.04 (3) Max. 0.1 (3) Max. 0.2 (3) Max. 0.2 * Above cutting condition is for external grooving. Set both cutting speed and feed 10% lower for internal grooving. ★ :1st Recommendation ☆ :2nd Recommendation GHU Inserts (Molded Chipbreaker) Recommended Insert Grades (Cutting Speed Vc: m/min) (1) f for Grooving (mm/rev) Cermet CVD Coated PVD Coated Carbide Ceramic (2) f for Turning (mm/rev) Remarks Carbide (3) ap for Turning (mm) Workpiece Material TN60 TC40N TC60M CR9025 PR630 PR930 A65 A66N GHU GHU GHU 40-20 50-20 60-20 ☆ ☆ (1) 0.06~0.12 (1) 0.06~0.12 (1) 0.06~0.15 Carbon Steel 130~200 - - 80~180 - - - - (2) 0.05~0.1 (2) 0.05~0.1 (2) 0.05~0.12 (3) Max. 1.0 (3) Max. 1.0 (3) Max. 1.5 Coolant ☆ ☆ (1) 0.06~0.12 (1) 0.06~0.12 (1) 0.06~0.15 Alloy Steel 100~180 - - 80~160 - - - - (2) 0.05~0.1 (2) 0.05~0.1 (2) 0.05~0.12 (3) Max. 1.0 (3) Max. 1.0 (3) Max. 1.5 ☆ (1) 0.06~0.1 (1) 0.06~0.1 (1) 0.06~0.12 Stainless Steel - - - 60~130 - - - - (2) 0.05~0.08 (2) 0.05~0.08 (2) 0.05~0.1 (3) Max. 0.8 (3) Max. 0.8 (3) Max. 1.2 * Above cutting condition is for external grooving. Set both cutting speed and feed 10% lower for internal grooving. ★ :1st Recommendation ☆ :2nd Recommendation G102