SUMIBORON CBN Insert S
Indexable Insert
Square
: 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
SN ¢ A43 Uncoated
Recommended Application
Inscribed Circle .5000 Hole Dia.
.2031
Dimensions (inch)
Thickness
.1875
L
C14 to C19
E20 to E22
Applicable External Holders
Applicable Internal Holders
Uncoated CBN
Multi-Cornered / 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.
2MDSNMA431 2MD-SNMA120404 2MDSNMA432 2MD-SNMA120408
Q Q Q Q
D D
.0156 .1378 .0313 .1378
F
Standard
1 2
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.
SNMA432 SNMA433
SNMA120408 SNMA120412
Q Q Q Q
« F
D « D «
.0313 .1850 .0469 .1811
C
«
Standard
1 1
Solid / 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.
SNGA432 SNGA433
SNGA120408 SNGA120412
.0313 .5000 QQQQQQQQQQQQQ « Q .0469 .5000 QQQQQQQQQQQQQ « Q
R
Standard
1 Solid
K Cast Iron S Exotic Alloy H Hardened Steel Sintered Components
SNGA43 Coated
Recommended Application
S
Inscribed Circle .5000 Hole Dia.
.2031
Dimensions (inch)
Thickness
.1875
C14 to C19
E20 to E22
Applicable External Holders
Applicable Internal Holders
Coated CBN
T
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.
V
2NCSNGA432 2NCSNGA433
2NC-SNGA120408 2NC-SNGA120412
D D
D D
« «
.0313 .0906 .0469 .0827
Standard
1 2
W
4NCSNGA431 4NCSNGA432 4NCSNGA433
4NC-SNGA120404 4NC-SNGA120408 4NC-SNGA120412
.0156 .0984 «« .0313 .0906 «« .0469 .0827 ««
Standard
1 4
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)
L63
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