 GA Inserts (Molded Chipbreaker) Recommended Insert Grades (Cutting Speed Vc: m/min) (1) f for Grooving (mm/rev) Cermet CVD Coated PVD Coated Carbide Carbide (2) f for Turning (mm/rev) Remarks Carbide (3) ap for Turning (mm) Workpiece Material TN60 TN90 TC40N TC60M CR9025 PR630 PR930 KW10 GA GA GA 30 40 50 ☆ ★ (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 Coolant ☆ ★ (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. 0.8 ★ (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 (Cutting Speed Vc: m/min) (1) f for Grooving (mm/rev) Cermet CVD Coated PVD Coated Carbide Carbide (2) f for Turning (mm/rev) Remarks Carbide (3) ap for Turning (mm) Workpiece Material TN60 TN90 TC40N TC60M CR9025 PR630 PR930 KW10 GIA GIA GIA 30 40 50 ☆ ★ (1) 0.04~0.08 (1) 0.04~0.09 (1) 0.05~0.1 G 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 Coolant ☆ ★ (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. 0.5 ★ (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 Grooving  PSG-S (Tip-Bars) Recommended Insert Grades (CutingSpeedVc:m/min) Note for using the grooving tip-bars PSG-S type PSG06 How to Install PVD Coated Carbide Carbide PSG05 PSG07 Small dia. internal grooving requires accurate installation because an Workpiece Material PR930 KW10 PSG08 Remarks error of insert height or angle can affect the machining precision. When installing, set the cutting edge higher than the center line as shown in f (mm/rev) the Table 1. The cutting edge of all the PSG-S type tip-bars is designed ★ to be higher than the center line. (L4 of Tip-Bars dimension) Carbon Steel 30~100 ~0.03 ~0.05 Stainless Steel ★ ~0.02 ~0.03 Coolant 30~80 Non-ferrous Metals ★ ~0.05 ~0.08 ~300 ★ :1st Recommendation  FMM / FMN Recommended Insert Grades (Cutting Speed Vc: m/min) Face Grooving (FMM / FMN) Turning (FMM) Cermet CVD Coated PVD Coated Carbide Carbide Edge Width (mm) Edge Width (mm) Remarks Carbide Workpiece Material TN90 CR9025 PR915 PR930 PR905 KW10 3.0 4.0 5.0 / 6.0 3.0 4.0 5.0 / 6.0 f (mm/rev) f (mm/rev) Carbon Steel ☆ ☆ ☆ ★ - - 0.03~0.05 0.03~0.08 0.05~0.10 0.05~0.10 0.05~0.25 0.10~0.30 100~220 80~200 80~200 80~200 Alloy Steel ☆ ☆ ☆ ★ - - 0.03~0.05 0.03~0.08 0.05~0.10 0.05~0.10 0.05~0.25 0.10~0.30 80~200 70~180 70~180 70~180 Stainless Steel ☆ ☆ ★ ☆ - - 0.03~0.05 0.03~0.08 0.05~0.10 0.05~0.10 0.05~0.25 0.10~0.30 Coolant 70~160 60~150 60~150 60~150 Cast Iron - - - - ★ ☆ 0.03~0.05 0.03~0.08 0.05~0.10 0.05~0.10 0.05~0.25 0.10~0.30 80~180 70~150 Aluminum - - - - - ★ 0.03~0.05 0.03~0.08 0.05~0.10 0.05~0.10 0.05~0.25 0.10~0.30 200~500 Brass - - - - - ★ 0.03~0.05 0.03~0.08 0.05~0.10 0.05~0.10 0.05~0.25 0.10~0.30 100~200 · Set the feed rate 1/100 of edge width on the first groove and check chip evacuation. ★ :1st Recommendation ☆ :2nd Recommendation · FMN type Inserts are only for Deep Grooving, and when used for turning, set to ap=0.2mm and under.  Ref. to the notes below for turning conditions. ap and f of FMM Recommended Cutting Conditions ap (MAX.) (mm) under 50% of Edge Width ·ap ≤ 0.5w f (MAX.) (mm/rev) under 3~5% of Edge Width ·f ≤ [0.03(Min.) ~ 0.05(Max.)]w ap x f should be as follows. Load(mm2) Edge Width(mm) 3.0 4.0 5.0 6.0 ap × f ~0.09 ~0.14 ~0.25 ~0.36 ·ap×f ≤ 0.01w2 G103