Общий каталог Sumitomo 2019 - 2020 - страница 55

Positive M Class Chipbreakers for Low-carbon and General Steel Turning FB / LB Type P Steel · The FB type for finishing 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 finishing and SU type for light cutting. · The FB and LB type chipbreakers improve chip control in finishing of low carbon and general steel. Insert ■ Application Range 3 Depth of Cut ap (mm) SU Type 2 LB Type B 1 FB Type Neg. 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 Pos. Strengthened edge reduces Ridge reduces edge breakage C unexpected breakage 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 R and improves chip breaking performance 20° 15° 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 Solid CBN Ceramics 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 100mm FB Type Chipbreaker (T1500A) Competitor's Product and reducing blemishes on machined surfaces B17