SUMIBORON CBN Insert
Indexable Insert
T Triangular TBGE52 Uncoated Dimensions (inch) Thickness .0625
: 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
Q
Inscribed Circle .1563 Hole Dia.
L
E74
Applicable Internal Holders
Uncoated CBN
5° 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.
TBGE520.5B TBGE521B TBGE522B
TBGN060102B TBGN060104B TBGN060108B
.0078 .2559 .0156 .2480 .0313 .2244
D F
D F D
Standard
1 3
F
*STN inserts are sharper edge type
: 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
TCGA21.5 Uncoated Dimensions (inch) Inscribed Circle .2500 Hole Dia. Thickness .0938
Recommended Application
C
.1100
C39, C40 , D32
E47
Applicable External Holders
Applicable Internal Holders
Uncoated CBN
7° Positive (With Hole)
D
Effective Cutting Edge Length LE
Nose Radius RE .0156 .0313
No. of Cutting Edges
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
R
3NUTCGA21.51 3NUTCGA21.52
3NU-TCGW110204 3NU-TCGW110208
D D D D
Standard
1 3
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
TCGA21.5 Coated Dimensions (inch) Inscribed Circle .2500 Hole Dia. Thickness .0938
Recommended Application
.1100
T
C39, C40 , D32
E47
Coated CBN
Applicable External Holders
Applicable Internal Holders
7° Positive (with hole)
V
Effective Cutting Edge Length LE
Nose Radius RE
No. of Cutting Edges
Pcs/ Pack
Cutting Edge Specification
Shape
Sumitomo Cat. No.
ISO Cat. No.
NCTCGA21.51 NCTCGA21.52
NC-TCGW110204 NC-TCGW110208
.0156 .0906 .0313 .0787
D D D D F F D D D D D F D
W
1 1
Standard
3NCTCGA21.51 3NC-TCGW110204
1 3 .0156 .0984
D
D D
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)
L75
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