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 ˜ Uncoated

Recommended Application

Inscribed Circle .3750 Hole Dia.

.1732

Dimensions (inch)

Thickness

.1563

L

E38 to E41

C35 , D14 , D18 , D19 , D24 to D26

Applicable Internal Holders

Applicable External Holders

Uncoated CBN

Single-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.

NUDCGA32.50.5 NU-DCGW11T302

Q

« D

«« ««

.0078 .1063

NUDCGA32.51 NUDCGA32.52 NUDCGA32.53

NU-DCGW11T304 NU-DCGW11T308 NU-DCGW11T312

Q « Q «

D

« D D

.0156 .0984

1 1

D

.0313 .0827

Q Q Q

D

.0469 .0787

Standard

T-NUDCGA32.50.5 T-NU-DCGW11T302 T-NUDCGA32.51 T-NU-DCGW11T304

« «

.0078 .1063

10 1

.0156 .0984

C

NUDCGA32.50.5LF NU-DCGW11T302LF NUDCGA32.51LF NU-DCGW11T304LF

Q Q

«« ««

.0078 .1063

Sharp Edge

1 1

.0156 .0984

Low Cutting Force

NUDCGA32.50.5LT NU-DCGW11T302LT NUDCGA32.51LT NU-DCGW11T304LT NUDCGA32.52LT NU-DCGW11T308LT NUDCGA32.53LT NU-DCGW11T312LT NUDCGA32.50.5HS NU-DCGW11T302HS NUDCGA32.51HS NU-DCGW11T304HS NUDCGA32.52HS NU-DCGW11T308HS

Q Q Q Q Q Q Q Q

D

.0078 .1063

D

D

.0156 .0984

T01215

1 1

D

.0313 .0827

D

R

.0469 .0787

Sharper Edge

Q Q Q

D

.0078 .1063

D

S01235

1 1

.0156 .0984

D

.0313 .0827

Strong Edge

S

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

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

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)

L57

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