Grooving Recommended cutting conditions Internal grooving SIGE (Ground chipbreaker: GE&···A(R), GE&···B(R)) Recommended insert grades (Vc: m/min) (1) f for grooving (mm/rev) Cermet MEGACOAT PVD coated carbide Carbide (2) f for turning (mm/rev) Workpiece material TN6020 (3) ap for turning (mm) PR1225 PR1025 KW10 100~200-010A 100~200-010B GE& GE& GE& 250~300-020B 100~200-100AR 100~200-100BR (1) 0.01~0.03 (1) 0.02~0.04 (1) 0.02~0.04 Carbon steel    - (2) 0.01~0.03 (2) 0.02~0.04 (2) 0.02~0.04 50~80 50~80 50~80 (3) Max. 0.05 (3) Max. 0.05 (3) Max. 0.1 (1) 0.01~0.03 (1) 0.02~0.04 (1) 0.02~0.04 Alloy steel    - (2) 0.01~0.03 (2) 0.02~0.04 (2) 0.02~0.04 50~80 50~80 50~80 (3) Max. 0.05 (3) Max. 0.05 (3) Max. 0.1 (1) 0.01~0.03 (1) 0.01~0.03 (1) 0.01~0.03 Stainless steel -   - (2) 0.01~0.03 (2) 0.01~0.03 (2) 0.01~0.03 50~80 50~80 (3) Max. 0.05 (3) Max. 0.05 (3) Max. 0.1 Coolant (1) 0.01~0.03 (1) 0.02~0.04 (1) 0.02~0.04 Cast iron - - -  (2) 0.01~0.03 (2) 0.02~0.04 (2) 0.02~0.04 50~80 (3) Max. 0.05 (3) Max. 0.05 (3) Max. 0.1 (1) 0.01~0.03 (1) 0.02~0.04 (1) 0.02~0.04 Aluminum - - -  (2) 0.01~0.03 (2) 0.02~0.04 (2) 0.02~0.04 50~100 (3) Max. 0.1 (3) Max. 0.1 (3) Max. 0.2 (1) 0.01~0.03 (1) 0.02~0.04 (1) 0.02~0.04 Brass - - -  (2) 0.01~0.03 (2) 0.02~0.04 (2) 0.02~0.04 G 50~100 (3) Max. 0.1 (3) Max. 0.1 * Use PVD coated grade or carbide for turning with edge width 1mm. (GE&100-005A / 100-005B) :1st recommendation :2nd recommendation (3) Max. 0.2 Internal grooving SIGE (Ground chipbreaker: GE&···C(R), GE&···D(R), GE&···E) Recommended insert grades (Vc: m/min) (1) f for grooving (mm/rev) Grooving (2) f for turning (mm/rev) Cermet MEGACOAT PVD coated carbide Carbide (3) ap for turning (mm) GE& GE& 100~200-010C 250~350-020C Remarks Workpiece material 200-100CR 250~300-150CR GE& GE& TN6020 PR1225 PR1025 GE& GE& GW15 200~280-020D 300~400-020D 100~145-010D 150~195-010D 200-100DR 300-150DR GE& GE& GE& GE& GE& GE& 200~225-010E 100-010E 150~195-010E 250~330-020E 350~430 020E 450~500-020E 230-020E (1) 0.03~0.08 (1) 0.03~0.08 (1) 0.04~0.09 (1) 0.04~0.09 (1) 0.05~0.12 (1) 0.05~0.12 (1) 0.05~0.12 Carbon steel    - (2) 0.03~0.08 (2) 0.03~0.08 (2) 0.04~0.09 (2) 0.04~0.09 (2) 0.05~0.1 (2) 0.05~0.1 (2) 0.05~0.1 120~180 60~140 60~140 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.5 (1) 0.03~0.07 (1) 0.03~0.07 (1) 0.04~0.08 (1) 0.04~0.08 (1) 0.05~0.1 (1) 0.05~0.1 (1) 0.05~0.1 Alloy steel    - (2) 0.03~0.1 (2) 0.03~0.1 (2) 0.04~0.08 (2) 0.04~0.08 (2) 0.05~0.1 (2) 0.05~0.1 (2) 0.05~0.1 100~160 60~120 60~120 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.5 (1) 0.03~0.07 (1) 0.03~0.07 (1) 0.04~0.08 (1) 0.04~0.08 (1) 0.05~0.1 (1) 0.05~0.1 (1) 0.05~0.1 Stainless steel    - (2) 0.03~0.1 (2) 0.03~0.1 (2) 0.04~0.08 (2) 0.04~0.08 (2) 0.05~0.1 (2) 0.05~0.1 (2) 0.05~0.1 70~130 60~110 60~110 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.5 Coolant (1) 0.03~0.08 (1) 0.03~0.08 (1) 0.04~0.09 (1) 0.04~0.09 (1) 0.05~0.12 (1) 0.05~0.12 (1) 0.05~0.12 Cast iron - - -  (2) 0.03~0.08 (2) 0.03~0.08 (2) 0.04~0.09 (2) 0.04~0.09 (2) 0.05~0.1 (2) 0.05~0.1 (2) 0.05~0.1 60~100 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.3 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.5 (1) 0.05~0.12 (1) 0.05~0.12 (1) 0.05~0.15 (1) 0.05~0.15 (1) 0.08~0.15 (1) 0.08~0.15 (1) 0.08~0.15 Aluminum - - -  (2) 0.05~0.12 (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 (2) 0.08~0.15 150~300 (3) Max. 0.5 (3) Max. 0.5 (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) 0.05~0.12 (1) 0.05~0.15 (1) 0.05~0.15 (1) 0.08~0.15 (1) 0.08~0.15 (1) 0.08~0.15 Brass - - -  (2) 0.05~0.12 (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 (2) 0.08~0.15 100~250 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.5 (3) Max. 0.8 (3) Max. 0.8 (3) Max. 0.8 * Use PVD coated grade or carbide for turning with edge width 1mm. (GE&100-010C / 100-010D / 100-010E) :1st recommendation :2nd recommendation Internal grooving SIGE (Molded chipbreakers: GER···CM, GER···DM, GER···EM) Recommended insert grades (Vc: m/min) (1) f for grooving (mm/rev) Cermet PVD coated MEGACOAT Carbide (2) f for turning (mm/rev) carbide (3) ap for turning (mm) Workpiece material GER GER Remarks 150~200-010CM 250~350-020CM TN6020 PR1225 PR1025 GW15 GER GER GER 150~200-010DM 230~250-020DM 300~400-020DM GER GER GER GER 150~200-010EM 250~300-020EM 350~400-020EM 450~500-020EM (1) 0.03~0.1 (1) 0.03~0.12 (1) 0.04~0.12 (1) 0.05~0.12 (1) 0.05~0.12 (1) 0.05~0.12 Carbon steel -   - (2) 0.03~0.1 (2) 0.03~0.1 (2) 0.04~0.1 (2) 0.05~0.1 (2) 0.05~0.1 (2) 0.05~0.1 60~160 60~160 (3) Max.1.0 (3) Max.1.5 (3) Max.1.5 (3) Max.1.5 (3) Max.1.5 (3) Max.1.5 (1) 0.03~0.1 (1) 0.03~0.1 (1) 0.04~0.12 (1) 0.05~0.12 (1) 0.05~0.12 (1) 0.05~0.12 Alloy steel -   - (2) 0.03~0.1 (2) 0.03~0.1 (2) 0.04~0.1 (2) 0.05~0.1 (2) 0.05~0.1 (2) 0.05~0.1 Coolant 60~140 60~140 (3) Max.1.0 (3) Max.1.5 (3) Max.1.5 (3) Max.1.5 (3) Max.1.5 (3) Max.1.5 (1) 0.03~0.08 (1) 0.03~0.08 (1) 0.04~0.08 (1) 0.05~0.1 (1) 0.05~0.1 (1) 0.05~0.1 Stainless steel -   - (2) 0.03~0.1 (2) 0.03~0.1 (2) 0.04~0.1 (2) 0.05~0.1 (2) 0.05~0.1 (2) 0.05~0.1 60~110 60~110 (3) Max.1.0 (3) Max.1.5 (3) Max.1.5 (3) Max.1.5 (3) Max.1.5 (3) Max.1.5 : 1st recommendation : 2nd recommendation G114