SUMIBORON CBN Insert D 55° Diamond DCG ¢ 21.5 Uncoated Dimensions (inch) Inscribed Circle .2500 Hole Dia. Thickness .0937
Indexable Insert
: 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
Recommended Application
.1102
L
C35 , D11 , D20 , D24 , D25 , D29, D30
E38 to E41
Applicable External Holders
Applicable Internal 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.
NUDCGA21.50.5 NUDCGA21.51 NUDCGA21.52 T-NUDCGA21.50.5 T-NUDCGA21.51 NUDCGA21.50.5LT NUDCGA21.51LT NUDCGA21.52LT NUDCGA21.51HS
NU-DCGW070202 NU-DCGW070204 NU-DCGW070208 T-NU-DCGW070202 T-NU-DCGW070204 NU-DCGW070202LT NU-DCGW070204LT NU-DCGW070208LT NU-DCGW070204HS
.0078 .1063 D .0156 .0984 D
1 1
.0313 .0827
D
Standard
.0078 .1063
10 1
.0156 .0984
.0078 .1063
D
C
1 1
.0156 .0984
T01215
D
.0313 .0827
D
Sharper Edge
.0156 .0984
D
S01235
1 1
D
Strong Edge
*Use NS (NS-DCGW) for BNX25. *Depth of cut for single-use types is 0.0197 inch or less.
R
Multi-Cornered 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.
S
2NUDCGA21.50.5 2NUDCGA21.51 2NUDCGA21.52 2NUDCGA21.50.5WG 2NUDCGA21.51WG
2NU-DCGW070202 2NU-DCGW070204 2NU-DCGW070208 2NU-DCGW070202WG 2NU-DCGW070204WG
.0078 .1063
D D
.0156 .0984 D
Standard
1 2
D D F
.0313 .0827 D
D D F
T
.0078 .1024
D
F
S01215
1 2
.0156 .0984
D
F
Wiper Insert
V
2NUDCGT21.50.5FV 2NUDCGT21.51FV
2NU-DCGT070202N-FV 2NU-DCGT070204N-FV
.0078 .1063
D
Honing
1 2
.0156 .0945
Break Master
*Use 2NS (2NS-DCGW) for BNX25. *Depth of cut for single-use types is 0.0197 inch or less.
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
200
BNC500
BN7000
1,000
300
BN7500
BN7500
NCB100
BNS800
BN7000
100
100
100
( m/min ) v c
200
500
BN7000
BN500
( m/min ) v c
BN7000
( m/min ) v c
( m/min ) v c
( m/min ) v c
0
0.05 0.10 0.15 0.20 Feed Rate f (mm/rev)
0 0.1 0.3 0.5
0 1.0 2.0 3.0 4.0
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
0.15 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
Depth of Cut a p (mm)
Depth of Cut a p (mm)
L55
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