SCI 21-22 General Catalog

SUMIBORON CBN Insert

Indexable Insert

80° Diamond

C

: 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

CN ¢¢ 43 ˜ Uncoated

Recommended Application

Inscribed Circle .5000 Hole Dia.

.2031

Dimensions (inch)

Thickness

.1875

L

C5 to C10 Applicable Internal Holders

E12 to E14

Applicable External Holders

Uncoated CBN

Multi-Cornered Single-Use / Negative (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.

2NUCNGG431FV 2NU-CNGM120404N-FV 2NUCNGG432FV 2NU-CNGM120408N-FV

D

.0156 .0984

D

1 2

.0313 .0945

Honing

Break Master

2NUCNGG431LV 2NU-CNGM120404N-LV 2NUCNGG432LV 2NU-CNGM120408N-LV 2NUCNGG433LV 2NU-CNGM120412N-LV 2NUCNGA431LF 2NU-CNGA120404LF 2NUCNGA432LF 2NU-CNGA120408LF

D

.0156 .0984

D

1 2

.0313 .0945

S00535

«

.0469 .0906

Break Master

D « D «

D

.0156 .0984

C

Sharp Edge

D

1 2

.0313 .0945

Low Cutting Force

2NUCNGA431LE 2NU-CNGA120404LE 2NUCNGA432LE 2NU-CNGA120408LE

D

.0156 .0984

D

Honing

1 2

.0313 .0945

D

Low Cutting Force

2NUCNGA431LT 2NU-CNGA120404LT 2NUCNGA432LT 2NU-CNGA120408LT 2NUCNGA433LT 2NU-CNGA120412LT 2NUCNGA431LS 2NU-CNGA120404LS 2NUCNGA432LS 2NU-CNGA120408LS 2NUCNGA431T 2NU-CNGA120404HT 2NUCNGA432T 2NU-CNGA120408HT 2NUCNGA433T 2NU-CNGA120412HT

Q Q Q

D D

.0156 .0984

D D

R

1 2

.0313 .0945

T01215

D D

.0469 .0906

Sharper Edge

D

.0156 .0984

D

1 2

.0313 .0945

S00715

S

General-purpose for Continuous Cutting

Q Q Q

« « «

.0156 .0984

T01235

1 2

.0313 .0945

T

.0469 .0906

Strong Edge

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

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)

L31

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