Grooving PV7040 TN620 TC40N TN6020 TN90 TC40N PR1215 PR1215 PR1625 PR930 PR930 PR1115 PR1115 KW10 PR905 KBN510 KW10 KPD001 KBN510(KPD010) KBN525 KPD001 (KPD010) RemarksCoolantRemarksCoolantRemarksCoolant Grooving Recommended cutting conditions GBA inserts - ground chipbreaker Recommended insert grades (Vc: m/min) (1) f for Grooving (mm/rev) MCWorkpiece Cermet MEGACOAT MEGACOATNANO PVD coated carbide Carbide CBN PCD (2) f for Turning (mm/rev)(3) ap for Turning (mm) material GBA & GBA & GBA & GBA & GBA & 033~100-... 125~200-... 230~300-... 330~400-... 400~480-... Carbonsteel 150~240 80~220 150~220 150~220 80~200 80~180 80~180 80~180 - - - (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-(2) Not recom.(2) 0.04~0.09(2) 0.05~0.1(2) 0.05~0.1(2) 0.05~0.1(3) Not recom.(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 -130~22080~200130~200130~20080~18080~16080~16080~160--- (2) Not recom. (2) 0.04~0.08 (2) 0.05~0.09 (2) 0.05~0.1 (2) 0.05~0.1(3) Not recom.(3) Max. 0.3(3) Max. 0.5(3) Max. 0.5(3) Max. 0.8 Stainlesssteel - - - -70~15060~15060~13060~13060~130-- (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-(2) Not recom.(2) 0.04~0.08(2) 0.05~0.09(2) 0.05~0.1(2) 0.05~0.1(3) Not recom.(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 - - - - - - - - 80~180 60~120 150~400 - (2) Not recom. (2) 0.04~0.09 (2) 0.05~0.1 (2) 0.05~0.1 (2) 0.05~0.1(3) Not recom.(3) Max. 0.3(3) Max. 0.5(3) Max. 0.5(3) Max. 0.8 Aluminumalloys - - - - - - - - (1) 0.05~0.12 (1) 0.05~0.15 (1) 0.05~0.15 (1) 0.08~0.15 (1) 0.08~0.15-150~400-150~2,000(2) Not recom.(3) Not recom.(2) 0.05~0.15(3) Max. 0.5(2) 0.05~0.15(3) Max. 0.8(2) 0.08~0.15(3) Max. 0.8(2) 0.08~0.15(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 G Brass - - - - - - - - - 150~300 - 200~800 (2) Not recom.(3) Not recom.(2) 0.05~0.15(3) Max. 0.5(2) 0.05~0.15(3) Max. 0.8(2) 0.08~0.15(3) Max. 0.8(2) 0.08~0.15(3) Max. 0.8 Hardmaterials - - - - - - - - - - -80~120 (1) 0.02~0.05 (1) 0.03~0.07-(2) Not recom.(2) 0.01~0.04-(3) Not recom.(3) Max. 0.1- * Above cutting condition is for external grooving. Set both cutting speed and feed 10% lower for internal grooving. :1st recommendation :2nd recommendation MEGA indicates MEGACOAT, and MEGANANO indicates MEGACOAT NANO. MC indicates MEGACOAT Cermet. GBA inserts - GM chipbreaker Recommended insert grades (1) f for grooving (mm/rev) (2) f for turning (mm/rev) (Vc: m/min)Workpiece material (3) ap for turning (mm) Cermet MEGACOAT GBA43& GBA43& GBA43& GBA43& GBA43& TN620 PR1215 140-010GM 150-020GM 175-020GM~230-020GM 250-030GM~ 350-030GM 400-040GM (1) 0.03~0.1 (1) 0.03~0.12 (1) 0.03~0.12 (1) 0.04~0.15 (1) 0.05~0.15 Carbon steel (2) 0.03~0.08 (2) 0.03~0.08 (2) 0.03~0.09 (2) 0.05~0.1 (2) 0.05~0.1 80~240 80~220 (3) Max. 0.2 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.8 (1) 0.03~0.1 (1) 0.03~0.12 (1) 0.03~0.12 (1) 0.04~0.15 (1) 0.05~0.15 Alloy steel (2) 0.03~0.08 (2) 0.03~0.08 (2) 0.03~0.09 (2) 0.05~0.1 (2) 0.05~0.1 80~220 80~200 (3) Max. 0.2 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.8 (1) 0.03~0.1 (1) 0.03~0.1 (1) 0.03~0.1 (1) 0.04~0.12 (1) 0.04~0.12 Stainless steel - 60~150 (2) 0.03~0.08(3) Max. 0.2 (2) 0.03~0.08(3) Max. 0.3 (2) 0.03~0.09(3) Max. 0.3 (2) 0.05~0.1(3) Max. 0.5 (2) 0.05~0.1(3) Max. 0.8 * Above cutting condition is for external grooving. Set both cutting speed and feed 20% lower for internal grooving. :1st recommendation :2nd recommendation GBA inserts - MY chipbreaker Recommended insert grades (Vc: m/min) (1) f for grooving (mm/rev) (2) f for turning (mm/rev) Cermet MEGA PVD coated carbide Carbide CBN PCD (3) ap for turning (mm) Workpiece material GBA43& GBA43&175-020MY~230-020MY~200-020MY265-030MYGBA43&300-030MYGBA43&330-030MY~350-030MYGBA43&400-040MY (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 - 80~200 80~200 80~200 - - - (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 - 80~180 80~180 80~180 - - - (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 Stainless steel - - - - (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 70~150 60~150 60~150 60~150 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.8 * Above cutting condition is for external grooving. Set both cutting speed and feed 10% lower for internal grooving. MEGA indicates MEGACOAT. :1st recommendation :2nd recommendation GFVS-AA / GFVT-AA Recommended insert grades (Vc: m/min) Grooving Turning* Workpiece material MEGACOAT PVD coated carbide Carbide Remarks PR1225 PR930 KW10 f ap f(mm/rev)(mm)(mm/rev) Carbon steel / Alloy steel 50~100 50~100 0.01~0.05 Max. 0.5 0.01~0.05 Stainless steel 50~80 50~80 0.01~0.03 Max. 0.3 0.01~0.02 Coolant Non-ferrous metals ~200 0.01~0.08 Max. 0.5 0.01~0.08 * ap has to be set for less than corner-R(RE) when turning of edge width 1.0 mm (GVF&100-005AA). :1st recommendation :2nd recommendation G118