SUMIBORON CBN Insert C 80° Diamond
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
CPGA2.51.5 Coated Dimensions (inch) Inscribed Circle .3125 Hole Dia. Thickness .0937
Recommended Application
.1339
L
E35 to E37
Applicable Internal Holders
Coated CBN
Multi-Cornered Single-Use / 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.
2NCCPGA2.51.50.5 2NC-CPGW080202 2NCCPGA2.51.51 2NC-CPGW080204
.0078 .0984
Standard
1 2
.0156 .0984
: 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
CPGA32 Uncoated Dimensions (inch) Thickness .1250
Recommended Application
Inscribed Circle .3750 Hole Dia.
.1732
C
E35 to E37
Uncoated CBN
Applicable Internal Holders
Single-Use / 11° Positive (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.
NUCPGA320.5 NUCPGA321 NUCPGA322 NUCPGA320.5LT NUCPGA321LT NUCPGA322LT NUCPGA320.5HS NUCPGA321HS NUCPGA322HS
NU-CPGW090302 NU-CPGW090304 NU-CPGW090308 NU-CPGW090302LT NU-CPGW090304LT NU-CPGW090308LT NU-CPGW090302HS NU-CPGW090304HS NU-CPGW090308HS
.0078 .0984 F .0156 .0984 F .0313 .0945 F
R
Standard
1 1
.0078 .0984
S
T01215
1 1
.0156 .0984
.0313 .0945
Sharper Edge
.0078 .0984
.0156 .0984
1 1
S01235
T
.0313 .0945
Strong Edge
*Use NS (NS-CPGW) for BNX25. *Depth of cut for single-use types is 0.0197 inch or less.
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)
L45
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