SUMIBORON CBN Insert
Indexable Insert
V 35° Diamond VBGA33 Uncoated Dimensions (inch) Thickness .1875
: 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
Inscribed Circle .3750 Hole Dia.
.1732
L
D26, D33
E53 to E54
Applicable External Holders
Applicable Internal Holders
Uncoated CBN
Multi-Cornered Single-Use / 5° 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.
2NUVBGA331 2NUVBGA332
2NU-VBGW160404 2NU-VBGW160408
.0156 .1299
D D D
.0313 .0984
Standard
1
2
*Depth of cut for single-use types is 0.0197 inch or less.
: 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
VBGA33 Coated Dimensions (inch) Thickness .1875
Recommended Application
C
Inscribed Circle .3750 Hole Dia.
.1732
D26, D33
E53 to E54
Applicable External Holders
Applicable Internal Holders
Coated CBN
Multi-Cornered Single-Use / 5° Positive (With Hole)
D
Effective Cutting Edge Length LE
Nose Radius RE
No. of Cutting Edges
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
R
2NCVBGA330.5 2NC-VBGW160402
.0078 .1496
D D D D
2NCVBGA331 2NCVBGA332
2NC-VBGW160404 2NC-VBGW160408
.0156 .1299
1 2
Standard
D
.0313 .0984
D
S
2NCVBGA330.5LE 2NC-VBGW160402LE 2NCVBGA331LE 2NC-VBGW160404LE 2NCVBGA332LE 2NC-VBGW160408LE 2NCVBGA330.5LT 2NC-VBGW160402LT 2NCVBGA331LT 2NC-VBGW160404LT 2NCVBGA332LT 2NC-VBGW160408LT 2NCVBGA332HS 2NC-VBGW160408HS
.0078 .1496
Honing
1 2
.0156 .1299
.0313 .0984
Low Cutting Force
.0078 .1496
T
.0156 .1299
1 2
T00515
D
.0313 .0984
D
Sharper Edge
.0313 .0984
D
V
T00515
1 2
Sharper Edge
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)
L99
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