SUMIBORON CBN Insert
Indexable Insert
T Triangular
: 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
TN ¢¢ 33 Uncoated Dimensions (inch) Inscribed Circle .3750 Hole Dia. Thickness .1875
Recommended Application
.1500
L
C20 to C26
E23 to E25
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
Cutting Edge Specification
Pcs/ Pack
Shape
Sumitomo Cat. No.
ISO Cat. No.
3NUTNGG331LV 3NUTNGG332LV 3NUTNGG333LV 3NUTNGA331LF 3NUTNGA332LF
3NU-TNGM160404N-LV 3NU-TNGM160408N-LV 3NU-TNGM160412N-LV 3NU-TNGA160404LF 3NU-TNGA160408LF
.0156 .0906
.0313 .0787
S00535
1 3
.0469 .0787
Break Master
.0156 .0906
F D F
Sharp Edge
1 3
.0313 .0787
Low Cutting Force
3NU-TNGA160404LE 3NU-TNGA160408LE
3NUTNGA331LE 3NUTNGA332LE
.0156 .0906
F F
C
1 3
.0313 .0787
Honing
Low Cutting Force
3NUTNGA331LT 3NUTNGA332LT 3NUTNGA333LT 3NUTNGA331LS 3NUTNGA332LS 3NUTNGA331HS 3NUTNGA332HS 3NUTNGA333HS 3NUTNGA331HT 3NUTNGA332HT 3NUTNGA333HT
3NU-TNGA160404LT 3NU-TNGA160408LT 3NU-TNGA160412LT 3NU-TNGA160404LS 3NU-TNGA160408LS 3NU-TNGA160404HS 3NU-TNGA160408HS 3NU-TNGA160412HS 3NU-TNGA160404HT 3NU-TNGA160408HT 3NU-TNGA160412HT
.0156 .0906 D .0313 .0787 D D
T01215
1 3
D
.0469 .0787 F D
Sharper Edge
.0156 .0906
F
R
1 3
.0313 .0787
S00715
F
General-purpose for Continuous Cutting
.0156 .0906
D
F D D F
BN2000 S01235 BN7000 S01225 BN700 S01225 BN7500 S00525
1 3
.0313 .0787
S
.0469 .0787
Strong Edge
.0156 .0906
T01235
1 3
.0313 .0787
T
.0469 .0787
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)
L69
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