SUMIBORON CBN Insert
Indexable Insert
T Triangular TNMA43 Uncoated
: 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 .5000 Hole Dia.
.2031
Dimensions (inch)
Thickness
.1875
L
C20 to C26
E23 to E25
Applicable External Holders
Applicable Internal Holders
Uncoated CBN
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.
NUTNMA431 NUTNMA432 NUTNMA433
NU-TNMA220404 NU-TNMA220408 NU-TNMA220412
.0156 .0906 D F
Standard
1 1
.0313 .0787 D F
.0469 .0787 D F
C
D
R
S
T
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)
L73
Made with FlippingBook flipbook maker