SUMIBORON CBN Insert
Indexable Insert
C 80° Diamond CN ¢¢ 43 Uncoated Dimensions (inch) Inscribed Circle .5000 Hole Dia. 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
.2031
L
C5 to C10 Applicable Internal Holders
E12 to E14
Applicable External 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.
2NUCNGG431FV 2NUCNGG432FV
2NU-CNGM120404N-FV 2NU-CNGM120408N-FV
.0156 .0984
D
.0313 .0945
Honing
1 2
D
Break Master
2NUCNGG431LV 2NUCNGG432LV 2NUCNGG433LV 2NUCNGA431LF 2NUCNGA432LF
2NU-CNGM120404N-LV 2NU-CNGM120408N-LV 2NU-CNGM120412N-LV 2NU-CNGA120404LF 2NU-CNGA120408LF
.0156 .0984
D
S00535
1 2
.0313 .0945
D
.0469 .0906
D
Break Master
.0156 .0984
D F D D F
C
Sharp Edge
1 2
.0313 .0945
Low Cutting Force
2NUCNGA431LE 2NUCNGA432LE
2NU-CNGA120404LE 2NU-CNGA120408LE
.0156 .0984
D F
Honing
1 2
.0313 .0945
F
D
Low Cutting Force
2NUCNGA431LT 2NUCNGA432LT 2NUCNGA433LT 2NUCNGA431LS 2NUCNGA432LS
2NU-CNGA120404LT 2NU-CNGA120408LT 2NU-CNGA120412LT 2NU-CNGA120404LS 2NU-CNGA120408LS
.0156 .0984 D D
R
1 2
.0313 .0945 D D
T01215
.0469 .0906 D D
Sharper Edge
.0156 .0984
D F
S00715
1 2
.0313 .0945
F
S
General-purpose for Continuous Cutting
2NUCNGA431T 2NUCNGA432T
2NU-CNGA120404HT 2NU-CNGA120408HT
.0156 .0984
.0313 .0945
T01235
1 2
T
Strong Edge
*Depth of cut for single-use types is 0.0197 inch or less.
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)
L31
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