Sumitomo General Catalog 2025-2026

Triangular Type Insert with Chipbreaker for Grooving SumiTurn B-Groove

■ General Features SumiTurn B-Groove (BF Type) inserts with chipbreaker have been added to the TGA Type grooving insert lineup to solve chip control problems.

F

● Achieves good chip control in a wide range of grooving processes ● Good chip control during final wide groove touch-up with traverse cutting ● Series expansion of 14 items for circlip groove machining, covering grooving widths from 1.4mm to 4.5mm for a total of 60 stocked items.

■ Features

● The AC530U grade with Super ZX Coat for a longer tool life is now in stock to cover various materials from steel and stainless steel to non-ferrous metals

(

Coated Carbide)

Fig 1

Fig 2

± 0.025 CW

GAN

Chipbreaker Insert for Square Grooves BF 

E2

Dimensions (inch/ mm )

RE RE

AC530U Width of Cut CW R L O.D.

Maximum Depth of Cut Maximum Groove Depth (mm) CDX Internal Diameter

IC

Cutting Edge Distance E2

Nose Radius RE

Inscribed Circle IC

Thickness

Group

Cat. No.

Fig

S

No.

TGA R/L 40062BF ● ● .062 TGA R/L 40072BF ● ● .072 TGA R/L 40088BF ● ● .088 TGA R/L 40094BF ● ● .094 TGA R/L 40097BF ● ● .097 TGA R/L 40105BF ● ● .105 TGA R/L 40110BF ● ● .110 TGA R/L 40122BF ● ● .122 TGA R/L 40125BF ● ● .125 TGA R/L 40142BF ● ● .142 TGA R/L 40156BF ● ● .156 TGA R/L 4165BF01   1.65 TGA R/L 4190BF01   1.90 TGA R/L 4220BF01   2.20 TGA R/L 4270BF02   2.70 TGA R/L 4320BF02   3.20 TGA R/L 4420BF02   4.20

.016 3 2 .010 3 2 .003 3 2

.154 .008

.138

S

4 1 4 1 4 1 4 1 4 1 4 1 4 1 4 1 2 2

Grade

Cutting Edge GAN

.500 .187

.098

Coated Carbide AC530U Honing 15° * For the rake angle when fitted on the holder, refer to page F44.

0

.012

.213

.197

Note 1: Please note that inserts with edge width (CW) less than 1.85mm have different cutting edge distance (E2). Note 2: Figure shows right hand (R) tool.

.016

TGA R/L 4140BF01   1.40 2.0 1.7 2.5 0.1 12.70 4.76 0.300

0.175

2 1 1 1 1 1 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

3.5 2.5 3.9 0.1 12.70 4.76

3

0

Recommended Cutting Conditions Machining Details Cutting Conditions

5.0 2.5 5.4 0.1 12.70 4.76 0

4

Groove Width CW ( mm ) 1.4 to 2.3 2.5 to 3.3 3.5 to 4.5

TGA R/L 4150BF TGA R/L 4165BF TGA R/L 4175BF TGA R/L 4185BF TGA R/L 4200BF TGA R/L 4220BF TGA R/L 4230BF TGA R/L 4250BF TGA R/L 4265BF TGA R/L 4270BF TGA R/L 4280BF TGA R/L 4300BF TGA R/L 4320BF TGA R/L 4330BF TGA R/L 4350BF TGA R/L 4370BF TGA R/L 4390BF TGA R/L 4400BF TGA R/L 4410BF TGA R/L 4420BF TGA R/L 4430BF TGA R/L 4440BF TGA R/L 4450BF

  1.50   1.65   1.75   1.85   2.00   2.20   2.30   2.50   2.65   2.70   2.80   3.00   3.20   3.30   3.50   3.70   3.90   4.00   4.10   4.20   4.30   4.40   4.50

0.250 0.175 0.125 0.075

Cutting Speed v c ( m/min ) 50 to 180 50 to 180 50 to 180

Feed Rate f ( mm/rev ) 0.03 to 0.12 0.04 to 0.12 0.05 to 0.12 Depth of Cut a p ( mm ) O.D. up to 3.5 up to 5.0 up to 5.0 Internal Diameter up to 2.5 up to 2.5 up to 2.5 Feed Rate f ( mm/rev ) 0.03 to 0.10 0.05 to 0.10 0.07 to 0.12 Depth of Cut a p ( mm ) up to 0.3 up to 0.5 up to 0.7 Feed Rate f ( mm/rev ) 0.03 to 0.12 0.04 to 0.12 0.05 to 0.12 Depth of Cut a p ( mm ) O.D. up to 3.5 up to 5.0 up to 5.0 Internal Diameter up to 2.5 up to 2.5 up to 2.5 Feed Rate f ( mm/rev ) 0.03 to 0.10 0.05 to 0.10 0.07 to 0.12 Depth of Cut a p ( mm ) up to 0.3 up to 0.5 up to 0.7

P

3.5 2.5 3.9 0.2 12.70 4.76

3

Grooving

0

Traverse Cutting

M Cutting Speed v c ( m/min ) 50 to 160 50 to 160 50 to 160

5.0 2.5 5.4 0.3 12.70 4.76 0

4

Grooving

Traverse Cutting

5.0 2.5 5.4 0.4 12.70 4.76 0

4

* Refer to pages F43 and F44 for group numbers of holders that can be used with the GWC, GWCS and GWCI types. Select applicable inserts for the holders by using matching group numbers.

F47

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