SCI 21-22 General Catalog

SUMIBORON CBN Insert T

Indexable Insert

Triangular

: 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

TPG ¢ 22 ˜ Uncoated

Recommended Application

Inscribed Circle .2500 Hole Dia.

.1339

Dimensions (inch)

Thickness

.1250

L

E46, E48, E50 to E52

Applicable Internal Holders

Uncoated CBN

Multi-Cornered Single-Use / 11° 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.

3NUTPGA220.5 3NU-TPGW110302

Q

D F

.0078 .0945

3NUTPGA221 3NUTPGA222

3NU-TPGW110304 3NU-TPGW110308

D F D Q D F D Q

Standard

1 3

.0156 .0984

.0313 .0866

3NUTPGT221FV 3NU-TPGT110304N-FV 3NUTPGT222FV 3NU-TPGT110308N-FV

Q Q

« «

.0156 .0866

Honing

1 3

.0313 .0748

Break Master

3NUTPGA220.5LF 3NU-TPGW110302LF 3NUTPGA221LF 3NU-TPGW110304LF 3NUTPGA222LF 3NU-TPGW110308LF 3NUTPGA221LE 3NU-TPGW110304LE

D Q D Q D Q D Q

« « «

.0078 .1024

C

Sharp Edge

1 3

.0156 .0984

.0313 .0866

Low Cutting Force

.0156 .0984

Honing

1 3

D

Low Cutting Force

3NUTPGA221LS 3NU-TPGW110304LS

D Q

.0156 .0984

1

3

R

S00715

General-purpose for Continuous Cutting

*Use 3NS (3NSTPGA) for BNX25. *Depth of cut for single-use types is 0.0197 inch or less.

S

T

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

6561

1640

984

984

984

4921

1312

656

656

656

BNC500

BN7000

3280

BN7500

984

BN7500

BN7000

BNS800

NCB100

328

328

328

BN7000

656

1640

BN500

BN7000

0

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

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

.0059 .0039 .0020 .0079

0 .004 .012 .019

0 .04 .08 .12 .16

0 .0039 .0020 .0039 .0059 .0079 .0098 .0118 .0079 .0118 .0157 .0197

0 .0039 .0020 .0039 .0059 .0079 .0098 .0118 .0079 .0118 .0157 .0197

Feed Rate f (inch/rev)

Depth of Cut a

p (inch)

Depth of Cut a

p (inch)

L81

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