SUMIBORON CBN Insert
Indexable Insert
V 35° 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
VN ¢¢ 33 Uncoated Dimensions (inch) Inscribed Circle .3750 Hole Dia. Thickness .1875
Recommended Application
.1500
L
C29 to C31
E26
Applicable External Holders
Applicable Internal Holders
Uncoated CBN
Multi-Cornered Single-Use / Negative (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.
2NUVNGG331LV 2NUVNGG332LV
2NU-VNGM160404N-LV 2NU-VNGM160408N-LV
.0156 .1102
.0313 .0787
S00535
1 2
Break Master
2NUVNGA332LF
2NU-VNGA160408LF
.0313 .0787
D D
Sharp Edge
1 2
Low Cutting Force
2NU-VNGA160404LT 2NU-VNGA160408LT
2NUVNGA331LT 2NUVNGA332LT
.0156 .1102 D D
C
1 2
.0313 .0787 D D
T01215
Sharper Edge
2NUVNGA331HS 2NUVNGA332HS
2NU-VNGA160404HS 2NU-VNGA160408HS
.0156 .1102
BN2000 S01235 BN7000 S01225 BN700 S01225
.0313 .0787
1 2
D
D D
D
Strong Edge
2NU-VNGA160404HT 2NU-VNGA160408HT
2NUVNGA331HT 2NUVNGA332HT
.0156 .1102
R
1 2
.0313 .0787
T01235
Strong Edge
*Depth of cut for single-use types is 0.0197 inch or less.
S
Multi-Cornered / Negative (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.
T
2MDVNMA331 2MDVNMA332 2MDVNMA333
2MD-VNMA160404 2MD-VNMA160408 2MD-VNMA160412
.0156 .1220
F
.0313 .1535
Standard
1 2
F D
.0469 .1142
F
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
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)
L93
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