Общий каталог Sumitomo 2019 - 2020 - страница 55

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FB / LB Positive M Class Chipbreakers for Low-carbon and General Steel Turning

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.

■ Application Range 3

SU Type

2 BB

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 C unexpected breakage

High rake breaker wall 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 performance15° 20°
Cross Section of Chipbreaker Cross Section of Chipbreaker
PerformancePerformance
Chip ControlChip 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)
Cutting Conditions: v = 100m/min, f = 0.12mm/rev, a = 0.1mm WetCutting Conditions: v = 200m/min, f = 0.15mm/rev, a = 0.5mm Wet

c p c p

Achieves stable chip control Achieves stable chip control at shallow depths of cut and low feeds in light cutting

D

R

S

T

V

W 50mm 50mm

FB Type Chipbreaker (T1500A)Competitor's ProductLB Type Chipbreaker (T1500A)Competitor's Product
Comparison of Surface Roughness of Finished SurfacesChip 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: v = 200m/min, f = 0.07mm/rev, a = 0.1mm WetCutting Conditions: v =240m/min, f=0.25 to 0.28mm/rev, a =0.6mm, Wet

c p c p

LB Type Chipbreaker (T1500A) 100mm

100μm 100μm Competitor's Product

Doubles the tool life by improving chip control and reducing blemishes on machined surfaces 100mm FB Type Chipbreaker (T1500A) Competitor's Product