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
SPG42 Uncoated
Recommended Application
Q
Inscribed Circle .500 Hole Dia.
Dimensions (inch)
Thickness
.1250
L
C52
Applicable External Holders
Uncoated CBN
11° Positive (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.
SPG421
SPGN120304
Q Q
D
.0156 .1890
Standard
1 1
K Cast Iron S Exotic Alloy H Hardened Steel Sintered Components
SPGA32 Uncoated
Recommended Application
Q
Inscribed Circle .3750 Hole Dia.
Dimensions (inch)
Thickness
.1250
C
E45
Applicable Internal Holders
Uncoated CBN
11° Positive (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.
D
SPGA322
SPGW090308
Q Q
D D
.0313 .3740
Standard
1 1
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
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
NCB100
BNS800
BN7000
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)
L67
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