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 ¢ 21.5 Uncoated
Recommended Application
Inscribed Circle .2500 Hole Dia.
.1102
Dimensions (inch)
Thickness
.0937
L
C35 , D14 , D18 , D19 , D24 , D25
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 NU-DCGW070202
Q
« D D « D D
.0078 .1063
NUDCGA21.51 NUDCGA21.52
NU-DCGW070204 NU-DCGW070208
Q «
««
.0156 .0984
1 1
Q Q Q
D
.0313 .0827
Standard
T-NUDCGA21.50.5 T-NU-DCGW070202 T-NUDCGA21.51 T-NU-DCGW070204
« «
.0078 .1063
10 1
.0156 .0984
NUDCGA21.50.5LT NU-DCGW070202LT NUDCGA21.51LT NU-DCGW070204LT NUDCGA21.52LT NU-DCGW070208LT NUDCGA21.50.5HS NU-DCGW070202HS NUDCGA21.51HS NU-DCGW070204HS
Q Q Q Q Q Q
D
.0078 .1063
C
D
T01215
1 1
.0156 .0984
D
.0313 .0827
Sharper Edge
Q Q
D
.0078 .1063
D
S01235
1 1
.0156 .0984
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
Sumitomo Cat. No.
ISO Cat. No.
Shape
S
2NUDCGA21.50.5 2NUDCGA21.51 2NUDCGA21.52
2NU-DCGW070202 2NU-DCGW070204 2NU-DCGW070208
Q
D
.0078 .1063
D F D Q D D Q
D
Standard
1 2
.0156 .0984
D
.0313 .0827
T
2NUDCGA21.50.5WG 2NU-DCGW070202WG 2NUDCGA21.51WG 2NU-DCGW070204WG 2NUDCGA21.52WG 2NU-DCGW070208WG 2NUDCGT21.50.5FV 2NU-DCGT070202N-FV 2NUDCGT21.51FV 2NU-DCGT070204N-FV
D Q D Q D Q
D
.0078 .1024
D
S01215
1 2
.0156 .0984
D
Wiper Insert
.0313 .0787
Q Q
D
V
.0078 .1063
«
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
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)
L55
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