SUMIBORON CBN Insert
Indexable Insert
Square
S
: 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
SNG42 Uncoated
Recommended Application
Q
Inscribed Circle .5000 Hole Dia.
Dimensions (inch)
Thickness
.1250
L
Uncoated CBN
Solid / Negative (Without 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.
SNG422 SNG423 SNG424 SNG422F SNG423F
SNGN120308 SNGN120312 SNGN120316 SNGN120308LF SNGN120312LF
.0313 .5000 QQQQQQQQQQQQQ « Q .0469 .5000 QQQQQQQQQQQQQ D Q .0625 .5000 QQQQQQQQQQQQQ D Q .0313 .5000 QQQQQQQQQQQQQ « Q .0469 .5000 QQQQQQQQQQQQQ « Q
Standard
1 Solid
Sharp Edge
1 Solid
Low Cutting Force
C
K Cast Iron S Exotic Alloy H Hardened Steel Sintered Components
SNG ¢ 43 Uncoated
Recommended Application
Q
Inscribed Circle .5000 Hole Dia.
Dimensions (inch)
Thickness
.1875
D
C48 to C51
Uncoated CBN
Applicable External Holders
Negative (Without Hole)
Effective Cutting Edge Length LE
Nose Radius RE
No. of Cutting Edges
R
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
SNG432 SNG433
SNGN120408 SNGN120412
.0313 .1890 Q « Q Q « Q Q Q « Q Q Q Q Q Q .0469 .1890 Q Q Q Q « QQQQQQQQQQ
Standard
1 1
S
C48 to C51
Applicable External Holders
Solid / Negative (Dimple Lock)
T
Effective Cutting Edge Length LE
Nose Radius RE
No. of Cutting Edges
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
SNGX433 SNGX434
SNGX120412 SNGX120416
.0469 .5000 QQQQQQQQQQQQQ « Q .0625 .5000 QQQQQQQQQQQQQ D Q
V
Standard
1 Solid
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)
L65
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