NegativePositivePCD / CBN Depth of cut: ap (mm)Cutting speed: Vc (m/min) Cutting speed: Vc (m/min) Chipbreaker Guide BASIC CHIPBREAKER: POSITIVE TYPE Steel Chipbreaker System for Turning (Positive Type) 7 AT9530 6 GT9530 54 NS9530NS9530AH725PSFT9215T9225PSGT9530NS9530T9215T9225 PM GT9530NS9530T9215T9225 3 01 GT9530 2 NS9530 AH725 1 PSS T9215T9225 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Feed: f (mm/rev) CVD / PVD coated grade Coated cermet / Cermet 300 500 T9215 400 200 300 AT9530 T9225 GT9530 200 100 NS9530 AH725 100 0 0.2 0.4 0.6 0.8 0 0.2 0.4 0.6 0.8 Feed: f (mm/rev) Feed: f (mm/rev) Chipbreaker Shape Feature Chipbreaker Shape Feature Excellent chip control in machining 3D chipbreaker for finishing to medium 01 very small depth of cut thanks to thesharp cutting edge and protrusion. PS cutting with excellent chip control andsharpness. M-class insert delivers costreduction and highly efficient boring in a wide range of applications. Low cutting force and high wear First choice for medium cutting with resistance. First choice for finishing.PSFExcellent chip control in finishing preventsPM excellent sharpness and good chipcontrol.Delivers stable machining of chip entanglement in internal machining. stainless steel. 3D chipbreaker for finishing to PSS medium cutting with excellent chipcontrol and low cutting force. S TA N D A R D CUTTING CONDITIONS Cutting speed: Vc (m/min) ISO Operation Work condition Chip-breaker Grade Depth of cut Feedap (mm)f (mm/rev)Low carbonsteels,Medium car-High carbonbon steels,steels, Alloy steels Alloy steels Alloy steels Precision Continuous 01 NS9530 0.05 - 0.5 0.03 - 0.15 150 - 250 80 - 220 80 - 180 finishing Light interrupted 01 NS9530 0.05 - 0.5 0.03 - 0.15 150 - 250 80 - 220 80 - 180 Continuous PSS NS9530 0.1 - 0.5 0.05 - 0.3 150 - 250 80 - 220 80 - 180 Finishing Light interrupted PSS NS9530 0.1 - 0.5 0.05 - 0.3 150 - 250 80 - 220 80 - 180 Heavy interrupted PSS NS9530 0.1 - 0.5 0.05 - 0.3 150 - 250 80 - 220 80 - 180 Continuous PS NS9530 0.3 - 2 0.08 - 0.3 150 - 250 80 - 220 80 - 180 Finishing to lightcuttingLight interrupted PS NS9530 0.3 - 2 0.08 - 0.3 150 - 250 80 - 220 80 - 180 Heavy interrupted PS NS9530 0.3 - 2 0.08 - 0.3 150 - 250 80 - 220 80 - 180 Finishing to Continuous to PS T9215 0.5 - 2.5 0.08 - 0.3 120 - 350 100 - 350 80 - 250 Medium cutting Heavy interrupted PS T9225 0.5 - 2.5 0.08 - 0.3 100 - 300 80 - 300 80 - 250 Medium cutting Continuous toHeavy interruptedPMPM -- 1-3 0.15 - 0.3 150 100 - 200 80 - 1801-30.15 - 0.312080 - 18080 - 120 Low carbon steels, Alloy steels: S10C, SCM415, SS400, SCr420H, etc. C10, 18CrMo4, E275A, 20Cr4, etc. Medium carbon steels, Alloy steels: S45C, SCM440, etc. C45, 42CrMo4, etc. Hi carbon steels, Alloy steels: SNCM439, etc. 41CrNiMo2, etc. B018 www.tungaloy.com