Turning indexable inserts Finishing - Mediumap (mm) Medium - Roughing Introduction Chipbreaker selection - Negative inserts Non-ferrous metals B Name Design Advantages Name Design Advantages 13° • Large rake angle • Polished 25° and smooth chipbreaker A3 surface AH 9° • Smooth chip •Good chip control control and less and less adhesion adhesion G class: Sharp edge M class: Horned edge prep. Applicable chipbreaker range (ap indicates radius) (Non-ferrous Metals) 5 A3 chipbreaker AH chipbreaker 4 AH ap = 2 mm ap = 2 mm 3 f = 0.2 mm/rev f = 0.2 mm/rev 2 1 A3 ap = 2 mm ap = 2 mm f = 0.3 mm/rev f = 0.3 mm/rev 0.1 0.2 0.3 0.4 0.5 f (mm/rev) B10