SUMIBORON CBN Insert D 55° Diamond DN ¢¢ 43 Uncoated Dimensions (inch) Inscribed Circle .5000 Hole Dia. Thickness .1875 Applicable Internal Holders C10 to C12 Multi-Cornered / Negative (With Hole) Applicable External Holders
Indexable Insert
: 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
E15 to E19
Uncoated CBN
Effective Cutting Edge Length LE
Nose Radius RE
No. of Cutting Edges
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
2MDDNGA432
2MD-DNGA150408
.0313 .1220
D D
Standard
1 2
2MDDNMA431
2MD-DNMA150404 2MD-DNMA150408 2MD-DNMA150412
.0156 .1378
F
Standard 2MDDNMA432
1 2
.0313 .1220
F D F
2MDDNMA433
.0469 .1102
F
C
Uncoated CBN
Negative (With Hole)
Effective Cutting Edge Length LE
Nose Radius RE
No. of Cutting Edges
D
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
DNMA431 DNMA432 DNMA433
DNMA150404 DNMA150408 DNMA150412
.0156 .1969
F
R
.0313 .1850
1 1
Standard
F D F D
.0469 .1693
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)
L49
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