By Cutting Conditions Chipbreaker Selection
Negative Finishing to Medium Cutting
R
S
R
S
C D
C D
T
V
W
T
V
W
Dimensions shown in mm
EGU
EFB
EFA C D
Versatile chipbreaker featuring excellent wear resistance Strong, versatile chipbreaker PMK N S H
Part Material
Chipbreaker
Provides excellent chip control and sharp edge needed for low feed machining PMK N S H
Profile breaker perfect for fine finishing PMK N S H W T V S
R
R
S
C D
T
V
W
Features
Photo
1.0 20°
0.80
0.25 2.05 7° 25° T V S
R
C D
W
Typical Cross Section Shape Cat. No. for Cross Section
R
S
C D
T
V
W
R
S
R
S
C D
C D
T
V
W
T
V
W
27°
Relief Angle Shapes In Stock
CNMG43
0°
CNMG43
CNMG43
0°
0°
R
S
C D
T
V
W
(mm) C D 6
R
S
R
S
C D
T
V
W
T
V
W
R
S
C D
T
V
W
B
(mm)
EFL C D
EFE 4 2 C D
6
Optimal breaker for chip control on rolled steel PMK N S H W T V S
Excellent chip control for low to high feed machining PMK N S H W T V S
R
S
4 C D
T
V
W
R
R
R
S
C D
T
V
W
2
1.40 0.4
0
0.2
0.6
1.0
Feed Rate (mm/rev)
0
0.70
R R
S S
R R
S S
C D C D
C D C D
T T
V V
W W
T T
V V
W W
0.2
0.4 T
0.6
R
S
C D
V
W
10°
Feed Rate (mm/rev)
R
S
C D
T
V
W
20°
CNMG43
0°
0°
CNMG43
R R
S S
R R
S S
C D C D
C D C D
T T
V V
W W
T T
V V
W W
R
S
C D
T
V
W
(mm)
R
S
C D
T
V
W
6
J=Uncoated, polished grade for Non-Ferrous materials PMK N S H ESU(J) Effective at high feed and low depth of cut 0.6 W W C D C D T T R R V V S S
4
2 ELU Effective chip control for variable depths of cut and profiling PMK N S H 0.2 0.4 0 W W C D C D T T R R V V S S
ESE C D
EEF
C D Exotic alloy finishing breaker with excellent chip control PMK N S H 1.2 20° R C D R W T V S
S
T
V
W
Finishing breaker reduces tool wear on rake face. Effective even for high-efficiency machining. PMK N S H W T V S
R
1.3
Feed Rate (mm/rev)
1.5
R R
S S
R R
S S
C D C D
C D C D
T T
V V
W W
T T
V V
W W
1.5
S
T
V
W
0.1
13°
R
S
R
C D
C D
T
V
W
1.0
17°
5°
10°
C D C D 0°
C D C D (mm) 0°
0°
0°
R R
S S
R R
S S
CNMG43
CNMG43
CNMG43
CNMG43
T T
V V
W W
T T
V V
W W
R
S
C D
T
V
W
(mm)
(mm)
C
R
S
R
S
6 C D
C D
T
V
W
T
V
W
6
6
4
4
P ELUW 2
W W ESEW New high-feed finishing breaker with wiper edge PMK N S H C D C D T T R R V V S S 4 2 G Class M Class
2 (R/L)FX C D R
W PMK N S H (R/L)FY (R/L)Q Wide breaker with sharp edge C D T FT Type R V C D S W C D T R V S R
SJ Ty
MK N S H
W PMK N S H Parallel breaker with superior sharp edge T V S
PMK N S H Arc-shaped ground finishing breaker W T V S
R R
S S
C D C D
T T
V V
W W
High-efficiency finishing breaker with wiper edge
0
0
0.2
0.4
0.6
0.4 1.5
1.9
0.2
0.6
1.35
2.5
0
1.5
0.2 0.13
Feed Rate (mm/rev)
Feed Rate (mm/rev)
D
0.4
0.6
0.15
14°
R R
S S
R R
S S
C D C D
C D C D
T T
V V
W W
T T
V V
W W
R 15°
S
C D
W R
S
Feed Rate (mm/rev)
T C D V
T
V
W
1.0
17°
R
S
R
S
C D
C D
T
V
W
T
V
W
5°
Wiper Insert
Wiper Insert
10°
0°
0°
0°
0°
0°
CNMG43
CNMG43
TNP33
TNP33
TNP22
(mm) 6
(mm)
R R
S S
R R
S S
C D C D
C D C D
T T
V V
W W
T T
V V
W W
R
S
C D T
W R
S
D
R R
S S
D
R R
S S
T C D V
C
C
T
V
W
T T
V V
W W
V V
W W
6
C D
C D
T
(mm)
R
6
4
(mm)
4
6
4
2
2
C D C D EFJ SJ Type R R
C D (R/L)GX 4 2
S S
C D C D (R/L)T R R
S S 0.2
T T
V V 0.4
W W
T T
V V
W W
C D UM Type R W V S
S
W R
S
T C D V
T
V
W
0 SJ Type
ST Type
0 ST Type
R GX Type
T GX Type V
T UM Type 2
SJ Type
0.6 ST Type
S GX Type
R UM Type
Feed Rate (mm/rev) Standard chipbreaker with excellent cutting edge strength 0.2 PMK N S H
Feed Rate (mm/rev) Arc-shaped ground breaker for light cutting PMK N S H 0.4
W Double positive chipbreaker providing superior sharpness PMK N S H
C D
0.6 0.7
0
0.2
0.4
0.6
1.5
1.5
T C D V 2.0
2.0
1.35
1.35
0
S
1.5
1.2
1.2
W 0.15 2.0
5 5
1.65
1.65
S S 1.2 0.18
Feed Rate (mm/rev)
R R
R R
S S
C D C D
C D C D
T T
V V
W W
T T
V V
W W
1.65
R
S
C D 0.15
0.2
0.4
0.6
W R
S
T
V
W
0.15
0.15
0.18
0.15
0.15
0.18
Feed Rate (mm/rev)
15°
15°
T 15°
R
S
R
S
C D
C D
V
W
T
V
14°
14°
14°
MM Type
C Type
C D C D 0°
0°
SNMG43
TNP32
SNGG43
R R
S S
R R
S S
C D C D 0°
T T
V V
W W
T T
V V
W W
R
S
C D
W R
S
T C D V
T
V
W
R
S
R
S
C D
C D
2.95
T
V
W
T
V
W
0.15
T
C D C D ESX
W EUP Double positive edge for optimal stainless steel cutting PMK N S H C D T R V S
C D C D EEX
10°
W W Standard chipbreaker designed especially for use with exotic alloys PMK N S H T T V V S S
W W Perform profiling and raise steps PMK N S H T T V V S S
R R
R R
R
S
C D
W R
S
T C D V
T
V
W
R
S
C D
T
V
W
2.0
1.35
2.1
R R
S S
R R
S S
C D C D
C D C D
T T
V V
W W
T T
V V
W W
R
S
C D
10°
W R
S
0.2
T C D V
T
V
W
15° T V S
16° T V S
R R
S S
C D C D
T T
V V
W W
R
S
C D
T
V
W
V
3°
C Type 0°
C D C D C Type R R
FP Type 0°
FP Type (mm)
C Type
C D C D FP Type R R 6
Bumpy Chipbreaker
Standard Chipbreaker
W For Chamfering T V S Handed Chipbreaker
0°
CNMG43
CNMG43
CNMG43
S S
S S
T T
V V
W W
T T
V V
W W
C D Break Master (CBN/PCD) R S
W R
T C D V
T V S
T V S
R R
S S
C D C D
T T
V V
W W
R
S
C D
T
V
W
2.15
2.15
2.95
2.95
1.40
1.40
0.15 2.15
95
1.40
(mm)
0.15
(mm)
0.15
6
Applicable Part Material: P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel 4
W
6
W W 10°
10°
10°
R R
S S
R R 2
S S
C D C D
C D C D
W FW Type T C D V R S
SS Ty
T T 4
V V
W W
T T
V V
R
S
C D
T
V
W
14° T V S 14°
T V S
R R
S S
C D C D 4
T T
V V
W W
10°
10°
°
14°
R
S
C D
T
V
W
Chipbreaker Application Range (Inscribed Circle of Insert up to ø.5000inch) 2 0 2
0.2
0.4
0.6
0.90
Feed Rate (mm/rev)
0
R R
S S
R R 0.6
S S
C D C D
C D C D 0.4
T T 0
V V
W W
T T
V V
W W
R
S
C D
W R
S
T C D V
T
V
W
T V S
T V S
R R 0.2
S S
C D C D
0.4
0.6
T T
V V
W W
0.2
Feed Rate (mm/rev)
W C D High-precision Cutting (Ground) T R V S
Wiper Insert
Fine Cutting to Finishing Finishing to Light Cutting Feed Rate (mm/rev)
15°
R R
S S
R R
S S
C D C D
C D C D
T T
V V
W W
T T
V V
W W
R
S
C D
T
V
W
T V S
T V S
R R
S S
C D C D
T T
V V
W W
.24
.12
.12
.12
R
S
C D
T
V
W
ESX
.16
.08
.08
.08
ELU
R R
S S
C D C D UJ Type R R S S ESU
C D C D SS Type EFB
T T
V V
W W
T T
V V
W W
EGUW
R
S
C D
T
V
W
T V S
ESE T V S
R
S
C D C D
T
V V
W W
ESU
.04 SS Type
EFA/EFL SS Type
UJ Type
R RD Type
T RD Type S ESEW
T AW Type
W AW Type V S (R/L)FX
R AW Type (R/L)FY
C D
.04 UJ Type
ELUW RD Type
.08
.04
EFE
e
R R
T T 1.15 5° .020 T V S V V S S 5°
R R
S S
0
0
0
0
C D C D .004
C D C D .004
W W
T T
V V
W W
R
S
C D
T
V
W
T V S
R R
S S
C D C D
.012 .024 .035 2.00 2.00 Feed Rate f (inch/rev)
.012
.012
.020
.004
.012
.020
10.5
10.5
0
0.90
T T
V V
W W 2.00
10.5
1.15
1.15
R
S
C D
T
V 25°
W
5°
Feed Rate f (inch/rev)
Feed Rate f (inch/rev)
Feed Rate f (inch/rev)
25°
25°
15°
15°
EM Type C D R
AX Ty
15°
Indicated chipbreaker application ranges and shapes are representative values only. Actual values may change according to the actual catalog number. For details, refer to "Stock Items" in Chapter B.
R R
S S
R R
S S
S
C D C D
C D C D
T T
V V
W W
T T
V V
W W
T
V
W
R R
S S
C D C D
T T
V V
W W
R
S
C D
T
V
W
B10
2.5
0.05
R R
S S
R R
S S
R
S
C D C D
C D C D
C D
T T
V V
W W
T T
V V
W W
T
V
W
R R
S S
C D C D
T T
V V
W W
R
S
C D
T
V
W
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