Depth of Cut ap (mm) CeramicsSolid CBNPos.Neg.Insert Positive M Class Chipbreakers for Low-carbon and General Steel Turning FB / LB Type P Steel · The FB type for nishing and the LB type for light cutting have been added to the chipbreaker series for low carbon and general steel machining in addition to the existing LU type for nishing and SU type for light cutting. · The FB and LB type chipbreakers improve chip control in nishing of low carbon and general steel. ■ Application Range 3 SU Type 2 B LB Type 1 FB Type LU Type 0 0.1 0.2 0.3 Feed Rate f (mm/rev) FB Type Breaker for Finishing LB Type Breaker for Light Cutting Strengthened edge reduces Ridge reduces edge breakage unexpected breakage C High rake breaker wall D improves chip breaking Special breaker ridge shape performance achieves stable chip control 0.5 0.8 Variable rake angle in nose radius increases chip strain and improves chip breaking performance 20° 15° R Cross Section of Chipbreaker Cross Section of Chipbreaker Performance Performance S Chip Control Chip Control (1) Work Material: Pipe material (STKM13A) ø30 Internal Diameter Machining Insert: TPMT110304N-FB (T1500A) Work Material: Pipe material (STKM13A) ø30 Internal Diameter Machining Insert: TPMT110304N-LB (T1500A) T Cutting Conditions: vc = 100m/min, f = 0.12mm/rev, ap = 0.1mm Wet Cutting Conditions: vc = 200m/min, f = 0.15mm/rev, ap = 0.5mm Wet Achieves stable chip control Achieves stable chip control at shallow depths of cut and low feeds in light cutting V W 50mm 50mm FB Type Chipbreaker (T1500A) Competitor's Product LB Type Chipbreaker (T1500A) Competitor's Product Comparison of Surface Roughness of Finished Surfaces Chip Control (2) Work Material: Pipe material (STKM13A) ø100 Internal Diameter Machining Insert: TPMT110304N-FB (T1500A) Work Material: Hub (S45C) Insert: VBMT160408N-LB (T1500A) Cutting Conditions: vc = 200m/min, f = 0.07mm/rev, ap = 0.1mm Wet Cutting Conditions: vc=240m/min, f=0.25 to 0.28mm/rev, ap=0.6mm, Wet LB Type Chipbreaker (T1500A) 100mm 100μm 100μm Competitor's Product Doubles the tool life by improving chip control FB Type Chipbreaker (T1500A) Competitor's Product and reducing blemishes on machined surfaces 100mm B17