SUMIBORON CBN Insert
Indexable Insert
55° Diamond
D
: 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
DNMA44 Uncoated
Recommended Application
Inscribed Circle .5000 Hole Dia.
.2031
Dimensions (inch)
Thickness
.2500
L
C10 , C12
E19
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
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
NUDNMA441 NU-DNMA150604 NUDNMA442 NU-DNMA150608 NUDNMA443 NU-DNMA150612
Q Q Q
« « «
.0156 .0984
Standard
1 1
.0313 .0827
.0469 .0787
*Use NS (NS-DNMA) for BNX25. *Depth of cut for single-use types is 0.0197 inch or less.
K Cast Iron S Exotic Alloy H Hardened Steel Sintered Components
DNGA44 Coated
Recommended Application
C
Inscribed Circle .5000 Hole Dia.
.2031
Dimensions (inch)
Thickness
.2500
C10 , C12
E19
Applicable External Holders
Applicable Internal Holders
Coated CBN
Multi-Cornered Single-Use / Negative (With Hole)
D
Effective Cutting Edge Length LE
Nose Radius RE
No. of Cutting Edges
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
R
4NCDNGA441 4NCDNGA442 4NCDNGA443
4NC-DNGA150604 4NC-DNGA150608 4NC-DNGA150612
.0156 .0984 «« .0313 .0827 «« .0469 .0787 ««
1 4
Standard
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
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)
L53
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