Grooving TN90 CR9025 PR915 PR930 PR905 KW10 RemarksCoolant Grooving Recommended cutting conditions GA inserts - molded chipbreaker Recommended insert grades (Vc: m/min) (1) f for grooving (mm/rev) (2) f for turning (mm/rev) Workpiece material Cermet CVD coated carbide (3) ap for turning (mm) Remarks TN60 CR9025 GA GA GA304050 (1) 0.06~0.18 (1) 0.06~0.21 (1) 0.06~0.25 Carbon steel 130~200 80~180 (2) 0.05~0.15 (2) 0.05~0.17 (2) 0.05~0.2(3) Max. 0.8(3) Max. 1.0(3) Max. 1.3 (1) 0.06~0.15 (1) 0.06~0.18 (1) 0.06~0.22 Alloy steel 100~180 80~160 (2) 0.05~0.12 (2) 0.05~0.15 (2) 0.05~0.18(3) Max. 0.3(3) Max. 0.5(3) Max. 0.8Coolant (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 :1st recommendation :2nd recommendation GIA inserts - molded chipbreaker Recommended insert grades (Vc: m/min) 1) f for grooving (mm/rev) G Workpiece material CermetTN60 CVDCoated carbide (2) f for turning (mm/rev)(3) ap for turning (mm)RemarksCR9025GIAGIAGIA304050 (1) 0.04~0.08 (1) 0.04~0.09 (1) 0.05~0.1 Carbon steel 60~120 60~120 (2) 0.02~0.08 (2) 0.02~0.08 (2) 0.05~0.08(3) Max. 0.3(3) Max. 0.4(3) Max. 0.5 (1) 0.04~0.07 (1) 0.04~0.07 (1) 0.05~0.08 Alloy steel 60~100 60~100 (2) 0.02~0.07 (2) 0.02~0.07 (2) 0.05~0.08(3) Max. 0.3(3) Max. 0.4(3) Max. 0.5Coolant (1) 0.04~0.07 (1) 0.04~0.07 (1) 0.05~0.08 Stainless steel - 60~80 (2) 0.02~0.07 (2) 0.02~0.07 (2) 0.05~0.08(3) Max. 0.3(3) Max. 0.4(3) Max. 0.5 :1st recommendation :2nd recommendation FMM / FMN Recommended insert grades (Vc: m/min) Face gooving (FMM / FMN) Turning (FMM) Cermet CVD coated carbide PVD coated carbide Carbide Edge width (mm) Edge width (mm) Workpiece material 3.0 4.0 5.0 / 6.0 3.0 4.0 5.0 / 6.0 f (mm/rev) f (mm/rev) Carbon steel 100~220 80~200 80~200 80~200 - - 0.03~0.05 0.03~0.08 0.05~0.10 0.05~0.10 0.05~0.25 0.10~0.30 Alloy steel 80~200 70~180 70~180 70~180 - - 0.03~0.05 0.03~0.08 0.05~0.10 0.05~0.10 0.05~0.25 0.10~0.30 Stainless steel 70~160 60~150 60~150 60~150 - - 0.03~0.05 0.03~0.08 0.05~0.10 0.05~0.10 0.05~0.25 0.10~0.30 Cast iron - - - - 80~180 70~150 0.03~0.05 0.03~0.08 0.05~0.10 0.05~0.10 0.05~0.25 0.10~0.30 Aluminum alloys - - - - - 200~500 0.03~0.05 0.03~0.08 0.05~0.10 0.05~0.10 0.05~0.25 0.10~0.30 Brass - - - - - 100~200 0.03~0.05 0.03~0.08 0.05~0.10 0.05~0.10 0.05~0.25 0.10~0.30 :1st recommendation :2nd recommendation • Set the feed rate 1/100 of edge width on the first groove and check chip evacuation. • FMN type Inserts are only for deep grooving, and when used for turning, set to ap = 0.2 mm and under. Refer to the notes below for turning conditions ap and f of FMM Recommended cutting conditions ap (MAX.) (mm) under 50% of edge width ap ≤ 0.5CW f (MAX.) (mm/rev) under 3~5% of edge width f ≤ [0.03(Min.) ~ 0.05(Max.)]cw ap x f should be as follows. Load (mm2) Edge Width(mm) 3.0 4.0 5.0 6.0 ap x f ~0.09 ~0.14 ~0.25 ~0.36 ap x f ≤ 0.01CW2 G120