SUMIBORON CBN Insert D 55° Diamond DCG ¢ 32.5 Coated Dimensions (inch) Inscribed Circle .3750 Hole Dia. Thickness .1563
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
Recommended Application
.1732
L
C35 , D11 , D20 , D24 , D25 , D29, D30
E38 to E41
Applicable External Holders
Applicable Internal Holders
Coated CBN
Multi-Cornered One-Use / 7° 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.
2NCDCGA32.50.5 2NCDCGA32.51 2NCDCGA32.52
2NC-DCGW11T302 2NC-DCGW11T304 2NC-DCGW11T308
.0078 .1063 .0156 .0984 .0313 .0827 .0078 .1024 .0156 .0906 .0313 .0827 .0156 .0827 .0313 .0709
D D F D D D D D D F F D
Standard
1 2
D D D D D F D
2NCDCGA32.50.5WG * 2NC-DCGW11T302WG *
D D D D F D
2NCDCGA32.51WG * 2NCDCGA32.52WG * 2NCDCGA32.51WH * 2NCDCGA32.52WH *
2NC-DCGW11T304WG * 2NC-DCGW11T308WG * 2NC-DCGW11T304WH * 2NC-DCGW11T308WH *
S01215
1 2
D D D F D D D F
Wiper Insert
F F
C
S01215
1 2
Wiper Insert
2NCDCGT32.51FV 2NC-DCGT11T304N-FV 2NCDCGT32.52FV 2NC-DCGT11T308N-FV
.0156 .0945 .0313 .0787
F F
D
1 2
Honing
Break Master
2NCDCGT32.50.5LV 2NC-DCGT11T302N-LV 2NCDCGT32.51LV 2NC-DCGT11T304N-LV 2NCDCGT32.52LV 2NC-DCGT11T308N-LV 2NCDCGA32.50.5LE 2NC-DCGW11T302LE 2NCDCGA32.51LE 2NC-DCGW11T304LE 2NCDCGA32.52LE 2NC-DCGW11T308LE 2NCDCGA32.50.5LT 2NC-DCGW11T302LT 2NCDCGA32.51LT 2NC-DCGW11T304LT 2NCDCGA32.52LT 2NC-DCGW11T308LT
.0078 .1063 .0156 .0945 .0313 .0787 .0078 .1063 .0156 .0984 .0313 .0827 .0078 .1063 .0156 .0984 .0313 .0827
D D F D
R
S00535
1 2
D D
D
D D D F D
Break Master
Honing
1 2
S
Low Cutting Force
T00515
1 2
D
T
D
Sharper Edge
*Use a holder with a cutting edge angle of 93°.
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)
L59
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