SUMIBORON CBN Insert
Indexable Insert
T Triangular TNG ¢ 33 Coated 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.
.1500
L
C20 to C26
E23 to E25
Applicable External Holders
Applicable Internal Holders
Coated 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.
3NCTNGA331 3NCTNGA332 3NCTNGA333 3NCTNGA334 * 3NCTNGA335 * 3NCTNGA336 *
3NC-TNGA160404 3NC-TNGA160408 3NC-TNGA160412 3NC-TNGA160416 * 3NC-TNGA160420 * 3NC-TNGA160424 *
.0156 .0906 .0313 .0787 .0469 .0787 .0625 .1299 .0787 .1181 .0938 .1063 .0078 .0945 .0156 .0906 .0313 .0787 .0469 .0787 .0625 .1299 .0787 .1181 .0938 .1063 .0156 .0906 .0313 .0787 .0469 .0787 .0156 .0906 .0313 .0787 .0469 .0787 .0313 .0787 .0469 .0787 .0156 .0906 .0313 .0787 .0469 .0787 .0078 .0945 .0156 .0906 .0313 .0787 .0469 .0787
D D D D D F F
D
Standard
1 3
F F F
6NCTNGA330.5 6NC-TNGA160402
C
6NCTNGA331 6NCTNGA332 6NCTNGA333 6NCTNGA334 * 6NCTNGA335 * 6NCTNGA336 *
6NC-TNGA160404 6NC-TNGA160408 6NC-TNGA160412 6NC-TNGA160416 * 6NC-TNGA160420 * 6NC-TNGA160424 *
D D D F F D D D D F F D D D F F D
Standard
1 6
F F F F F F F F F
D
6NCTNGG331FV 6NC-TNGG160404N-FV 6NCTNGG332FV 6NC-TNGG160408N-FV 6NCTNGG333FV 6NC-TNGG160412N-FV 6NCTNGG331LV 6NC-TNGG160404N-LV 6NCTNGG332LV 6NC-TNGG160408N-LV 6NCTNGG333LV 6NC-TNGG160412N-LV 6NCTNGG332SV 6NC-TNGG160408N-SV 6NCTNGG333SV 6NC-TNGG160412N-SV 3NCTNGA331LE 3NC-TNGA160404LE 3NCTNGA332LE 3NC-TNGA160408LE 3NCTNGA333LE 3NC-TNGA160412LE 3NCTNGA330.5LT 3NC-TNGA160402LT 3NCTNGA331LT 3NC-TNGA160404LT 3NCTNGA332LT 3NC-TNGA160408LT 3NCTNGA333LT 3NC-TNGA160412LT
R
Honing
1 6
Break Master
S
S00535
1 6
Break Master
D F F
1 6
S01235
F
T
Break Master
Honing
1 3
V
Low Cutting Force
D
T00515
1 3
D
W
Sharper Edge
*For use with CBN holders for the high-efficiency machining shown on page L112 & L113.
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)
L71
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