SUMIBORON CBN Insert
Indexable Insert
Triangular
T
: 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
Recommended Application
Inscribed Circle .3750 Hole Dia.
.1500
Dimensions (inch)
Thickness
.1875
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
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
3NUTNGG331LV 3NU-TNGM160404N-LV 3NUTNGG332LV 3NU-TNGM160408N-LV 3NUTNGG333LV 3NU-TNGM160412N-LV 3NUTNGA331LF 3NU-TNGA160404LF 3NUTNGA332LF 3NU-TNGA160408LF
Q Q Q
« « «
.0156 .0906
S00535
1 3
.0313 .0787
.0469 .0787
Break Master
D Q D Q
«« ««
.0156 .0906
Sharp Edge
1 3
.0313 .0787
Low Cutting Force
3NUTNGA331LE 3NU-TNGA160404LE 3NUTNGA332LE 3NU-TNGA160408LE
D Q D Q
.0156 .0906
C
Honing
1 3
.0313 .0787
Low Cutting Force
3NUTNGA331LT 3NU-TNGA160404LT 3NUTNGA332LT 3NU-TNGA160408LT 3NUTNGA333LT 3NU-TNGA160412LT 3NUTNGA331LS 3NU-TNGA160404LS 3NUTNGA332LS 3NU-TNGA160408LS 3NUTNGA331T 3NU-TNGA160404HT 3NUTNGA332T 3NU-TNGA160408HT 3NUTNGA333T 3NU-TNGA160412HT 3NUTNGA331HS 3NU-TNGA160404HS 3NUTNGA332HS 3NU-TNGA160408HS 3NUTNGA333HS 3NU-TNGA160412HS
Q Q Q Q Q Q
D D
.0156 .0906
D D
T01215
1 3
.0313 .0787
D
F D
.0469 .0787
Sharper Edge
« Q D Q
.0156 .0906
R
S00715
1 3
.0313 .0787
General-purpose for Continuous Cutting
Q Q Q
« « «
.0156 .0906
T01235
1 3
.0313 .0787
S
.0469 .0787
Strong Edge
D Q D Q
D
«« D «
BN2000 S01235 BN7000 S01225 BN700 S01225 BN7500 S00525
.0156 .0906
«
1 3
.0313 .0787
T
Q
D
.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
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)
L69
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