SCI 21-22 General Catalog

SUMIBORON CBN Insert D

Indexable Insert

55° 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

DCG ¢ 32.5 ˜ Coated

Recommended Application

Inscribed Circle .3750 Hole Dia.

.1732

Dimensions (inch)

Thickness

.1563

L

C35 , D14 , D18 , D19 , D24 to D28

E38 to E41

Applicable External Holders

Applicable Internal Holders

Coated CBN

Multi-Cornered One-Use / 7° 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.

2NCDCGA32.50.5 2NCDCGA32.51 2NCDCGA32.52

2NC-DCGW11T302 2NC-DCGW11T304 2NC-DCGW11T308

.0078 .1063 « D

« D D

«

.0156 .0984 D D D D D D D « .0313 .0827 D D D D D D F F «

Standard

1 2

2NCDCGA32.50.5WG * 2NC-DCGW11T302WG *

.0078 .1024 D D D D .0156 .0906 D D D D .0313 .0827 D D D D .0156 .0827 «« «« .0313 .0709 «« ««

2NCDCGA32.51WG * 2NCDCGA32.52WG * 2NCDCGA32.51WH * 2NCDCGA32.52WH *

2NC-DCGW11T304WG * 2NC-DCGW11T308WG * 2NC-DCGW11T304WH * 2NC-DCGW11T308WH *

1 2

S01215

Wiper Insert

C

1 2

S01215

Wiper Insert

2NCDCGT32.51FV 2NC-DCGT11T304N-FV 2NCDCGT32.52FV 2NC-DCGT11T308N-FV

.0156 .0945 «« «« .0313 .0787 «« ««

D

Honing

1 2

Break Master

2NCDCGT32.50.5LV 2NC-DCGT11T302N-LV 2NCDCGT32.51LV 2NC-DCGT11T304N-LV 2NCDCGT32.52LV 2NC-DCGT11T308N-LV 2NCDCGA32.50.5LE 2NC-DCGW11T302LE 2NCDCGA32.51LE 2NC-DCGW11T304LE 2NCDCGA32.52LE 2NC-DCGW11T308LE 2NCDCGA32.50.5LT 2NC-DCGW11T302LT 2NCDCGA32.51LT 2NC-DCGW11T304LT 2NCDCGA32.52LT 2NC-DCGW11T308LT

.0078 .1063 D D D D .0156 .0945 « D D D .0313 .0787 « D D D

R

S00535

1 2

Break Master

.0078 .1063 « .0156 .0984 « .0313 .0827 «

1 2

Honing

S

Low Cutting Force

«

.0078 .1063

D

T00515

.0156 .0984

1 2

T

D

.0313 .0827

Sharper Edge

*Use a holder with a cutting edge angle of 93°.

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)

L59

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