By Cutting Conditions Chipbreaker Selection
M Class Positive (Finishing to Medium Cutting)
EFB
ELU
PMK N S H ELUW High-performance finishing breaker with wiper edge 1.5 10°
EFK
EFP
PMK N S H Finishing breaker for mild steel, with good chip control and surface finish
PMK N S H Chip control significantly improved in fine finishing
PMK N S H Provides good chip control in fine finishing
Finishing breaker with sharp edge and good chip control PMK N S H 1.1
0.5
1.40
0.8
15°
10°
20°
Wiper Insert
CCMT32
CCMT32
CCMT32
TPMT33
CCMT32
7°
5° 7° 11°
5° 7° 11°
7° 11°
11°
R
S
R
S
R
S
C D
R
S
R
S
C D
C D
C D
C D
T
V
W
T
V
W
T
V
W
T
V
W
T
V
W
ELB
ENS
ENS/ENX
ESU
EGU
General breaker with excellent edge sharpness PMK N S H 1.45 8°
PMK N S H Medium-cutting breaker providing good chip control
Small Hole Boring Bars PMK N S H
Highly Recommended Versatile Positive Chipbreaker PMK N S H
PMK N S H Light-cutting breaker with sharp edge and good chip control
B
1.95
1.6
0.8
1.15
0.2
5°
5˚
10°
15˚
15°
CCMT32.5
TPMT22
CPMH32
CPMH32
CCMT32
5° 7° 11°
5° 7° 11°
7° 11°
11°
11°
R
S
R
S
R
S
R
S
C D
C D
C D
C D
R
S
C D
T
V
W
T
V
W
T
V
W
T
V
W
T
V
W
EMU
ENF
ENJ Very reliable breaker with sharp edge PMK N S H
Long-life breaker with low cutting resistance PMK N S H
PMK N S H Ensures stable tool life
1.5
1.6
1.8
0.1
0.2
0.35
5°
14°
4° 20°
0.1
TPMT33
TPMR32
7° 11°
11°
11°
TPMT33
R
S
R
S
R
S
C D
C D
C D
T
V
W
T
V
W
T
V
W
G Class (Ground)
Positive
C
(R/L)FYS Fine-cutting breaker with sharp edge PMK N S H
(R/L)FY Wide breaker with sharp edge PMK N S H 1.5 15°
(R/L)FX Parallel breaker with sharp edge PMK N S H 0.9 15°
FW
Wide-dimpled chipbreaker with sharp edge PMK N S H
0.5 15°
0.90
D
15° (20°)
TPGT22
TPGT22
TPMT21.5
5° 7° 11°
5° 7°
5° 7° 11°
CCET04X1
5° 11°
R
S
C D
R
S
C D
R
S
C D
R
S
C D
T
V
W
T
V
W
T
V
W
T
V
W
R
(R/L)W
(R/L)
(R/L)W High-performance finishing breaker with wiper edge. Parallel ground breaker PMK N S H 0.9
PMK N S H
PMK N S H
Stepped parallel ground
Wide finishing breaker
1.0
0.9
0.15
10°
S
Wiper Insert
TPGR22
TPGT22
TPGG22
7° 11°
11°
5° 11°
R
S
R
S
C D
C D
R
S
C D
T
V
W
T
V
W
T
V
W
T
V
Bumpy Chipbreaker
Standard Chipbreaker
Handed Chipbreaker
Break Master (CBN/PCD)
For Chamfering
W
Applicable Part Material: P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel
Chipbreaker Application Range
Class M Finishing to Light Cutting
Class M Light to Medium Cutting
Class G Ground
.16
.16
.16
ENF
ESU
EMU
EFK
(R/L)
.08
.08
.08
ENS
(R/L)FX
(R/L)W
ELU
ELUW
(R/L)W
EFB
(R/L)FYS
ELB
(R/L)FY
0
0
0
.008
.016
.008
.016
.008
.016
Feed Rate f (inch/rev)
Feed Rate f (inch/rev)
Feed Rate f (inch/rev)
Indicated chipbreaker application ranges and shapes are representative values only. Actual values may change according to the actual catalogue number. For details, refer to "Stock Items" in Chapter B.
B13
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