NegativePositivePCD / CBN Depth of cut: ap (mm)Cutting speed: Vc (m/min) Cutting speed: Vc (m/min) Chipbreaker Guide BASIC CHIPBREAKER: POSITIVE TYPE Hard Materials Chipbreaker System for Turning (Positive Type) 4 3 BXA20 BX310 BXM10 BX330 BXM20 BX360 2 T-CBN 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Feed: f (mm/rev) Coated T-CBN T-CBN Coated T-CBN 300 T-CBN 300 BX310 200 BXM10 200 BXM20 BX360 100 100 BXA20 BX330 Continuous Light Medium Heavy Continuous Light Medium Heavy interrupted interrupted interrupted interrupted interrupted interrupted Chipbreaker Shape Feature Chipbreaker Shape Feature Excellent performance in high-speed Excellent chip control in precision Nochip-breaker finishing of hard material with CBNsintered body on the cutting edge. HP finishing. (T-CBN) (T-CBN) S TA N D A R D CUTTING CONDITIONS ISO Operation Workcondition Chipbreaker Grade Depth of cut Feed Cutting speedap (mm)f (mm/rev)Vc (m/min) Continuous HP BXM10 0.05 - 0.2 0.03 - 0.15 150 - 350 Precision finishing Light interrupted Without BXM20BXA20 0.05 - 0.2 0.03 - 0.15 70 - 220 Finishing Continuous toheavy interrupted Without BXM20BXA20 0.07 - 0.5 0.05 - 0.3 70 - 220 Hardened steels, Pre-hardened steels: SKD11, SKD61, etc. X153CrMoV12, X40CrMoV5-1, etc. B028 www.tungaloy.com