SCI 21-22 General Catalog

SUMIBORON CBN Insert V

Indexable Insert

35° Diamond

: 1st Recommended : 2nd Recommended

: 1st Recommended : 2nd Recommended

: 1st Recommended : 2nd Recommended

(Legend) Continuous Cutting

General Cutting

Interrupted Cutting

K Cast Iron S Exotic Alloy H Hardened Steel Sintered Components

VBGA33 ˜ Uncoated

Recommended Application

Inscribed Circle .3750 Hole Dia.

.1732

Dimensions (inch)

Thickness

.1875

L

D30

E53 to E54

Applicable External Holders

Applicable Internal Holders

Uncoated CBN

Multi-Cornered Single-Use / 5° Positive (With Hole)

Effective Cutting Edge Length LE

Nose Radius RE

No. of Cutting Edges

Pcs/ Pack

Cutting Edge Specification

Shape

Sumitomo Cat. No.

ISO Cat. No.

2NUVBGA331 2NU-VBGW160404 2NUVBGA332 2NU-VBGW160408

D

.0156 .1299

D

Standard

1

2

.0313 .0984

*Depth of cut for single-use types is 0.0197 inch or less.

K Cast Iron S Exotic Alloy H Hardened Steel Sintered Components

VBGA33 ˜ Coated

Recommended Application

C

Inscribed Circle .3750 Hole Dia.

.1732

Dimensions (inch)

Thickness

.1875

D30

E53 to E54

Applicable External Holders

Applicable Internal Holders

Coated CBN

Multi-Cornered Single-Use / 5° Positive (With Hole)

D

Effective Cutting Edge Length LE

Nose Radius RE

No. of Cutting Edges

Pcs/ Pack

Cutting Edge Specification

Shape

Sumitomo Cat. No.

ISO Cat. No.

R

2NCVBGA330.5 2NC-VBGW160402

.0078 .1496 «« .0156 .1299 « D .0313 .0984 « D

2NCVBGA331 2NCVBGA332

2NC-VBGW160404 2NC-VBGW160408

D

«

Standard

1 2

D D

S

2NCVBGA330.5LE 2NC-VBGW160402LE 2NCVBGA331LE 2NC-VBGW160404LE 2NCVBGA332LE 2NC-VBGW160408LE 2NCVBGA330.5LT 2NC-VBGW160402LT 2NCVBGA331LT 2NC-VBGW160404LT 2NCVBGA332LT 2NC-VBGW160408LT

.0078 .1496 « .0156 .1299 « .0313 .0984 «

Honing

1 2

Low Cutting Force

«

.0078 .1496

T

D

.0156 .1299

T00515

1 2

D

.0313 .0984

Sharper Edge

V

W

CBN Application Range Map

(C) Gray Cast Iron

(D) Ductile Cast Iron

(E) General Powdered Metal

(F) High-density Powdered Metal

(G) Titanium Alloy

2,000

500

300

300

300

1,500

400

200

200

BNC500

200

BN7000

1,000

300

BN7500

( m/min ) v c

( m/min ) v c

( m/min ) v c

( m/min ) v c

BN7500

( m/min ) v c

BNS800

BN7000

NCB100

100

100

100

BN7000

200

500

BN500

BN7000

0

0.05 0.10 0.15 0.20 Feed Rate f (mm/rev)

Depth of Cut a p ( mm ) Feed Rate f ( mm / rev )

Depth of Cut a p ( mm ) Feed Rate f ( mm / rev )

0 0.1 0.3 0.5

0 1.0 2.0 3.0 4.0

0 0.1

0.15 0.05 0.1 0.2 0.25 0.3 0.2 0.3 0.4 0.5

0 0.1

0.05 0.1 0.15 0.2 0.25 0.3 0.2 0.3 0.4 0.5

p (mm)

Depth of Cut a

Depth of Cut a

p (mm)

L99

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