R
S
R
S
C D
C D
T V W
T
V
W
T
V
W
C Type MM Type
FP Type C Type
FP Type
By Cutting Conditions Chipbreaker Selection W C D T R V S C D T R S C D T R S W C D T R V S 2.15 2.95 W C D T R V S
R R
S S
C D C D
V V
W W
T T
V V
W W
2.15
1.40
2.95
1.40
0.15 0.15
0.15
10°
10°
R
S
C D
T T T
V V V V V V V V V V V V V V V V V V V V V V V V
W W W
10°
14°
10°
14°
Roughing C D T R S C D T R S
R R
S S
C D C D
Negative C D R S C D R S
T T
V V
W W
V V
W W
R R R R R R R R R R R R R R R R R R R R R R
S S S S S S S S S S S S S S S S S S S S S S
W EHG Excellent chip control for heavy cutting C D C D C D W W T T
C D C D EHP
T PMK N S H ENP C D C D
R R
W W PMK N S H Single-sided chipbreaker with low cutting resistance for rough cutting T T V V S S
R R
W W PMK N S H Strongest cutting edge for heavy cutting T T V V S S
C D C D C D C D C D C D C D
T T T T T T T T T T T T T T T T T T
W W W W W W W W W
0.3
T T 22° 0.3 to 0.6 V V S S
R R
R R
S S
C D C D
C D C D
T T
V V
W W 22°
W W
0.4 22° T V
CNMM54
CNMM54
CNMM54
0°
0°
0°
(mm) SS Type FW Type
R R UJ Type S S (mm) SS
T T RD Type R R UJ S S
AW Type RD
AW Type
C D C D
C D C D
V V
W W
T T
V V
W W
e
(mm)
10 EHU 15 C D C D C D C D
C D C D 10 EHF 15
C D C D EHW 10 15
2.00 1.5
W W PMK N S H Two-step breaker with excellent chip evacuation for heavy cutting 0.75 6.3 T T V V S S 0.4 0.8 0.1 5° 1.5 1.15 5°
10.5
W W PMK N S H Heavy cutting chipbreaker with strong cutting edge for excellent chip evacuation in high-feed cutting T T V V S S 0.1 5°
W W PMK N S H Heavy cutting chipbreaker with strong cutting edge for excellent chip control 1.15 0.90 5°
10.5 2.00
0.90
B
R R
R R
25°
25°
15° (20°)
15° (20°)
5
C D C D C D C D C D C D C D C D
W W W W W W W W
5
5
0.2 0.4 4.5
3.2
0.6
0
R R
S S
R R
S S 0.4
C D C D
C D C D
T T
V V
W W
T T
V V
W W
0.3
0
0 0.25
1.2
20°
0.8
1.2
0.4
0.8
1.2
17°
Feed Rate (mm/rev)
Feed Rate (mm/rev)
Feed Rate (mm/rev)
-15°
-15°
16° -15°
0°
0°
0°
SNMM85
SNMM10
SNMM64
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
Negative Aluminum Alloy Cutting C D R S C D R S W C D T R V S W C D T R V S
R R
S S
C D C D
T T
V V
W W
T T
V V
W W
T T T T
V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V V
W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W W
R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R
S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S
C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D C D EM C D C D C D C D C D C D C D 0° C D 0° C D C D
R
S
C D
(R/L)AX AX Type
AY Type AX
AY Type
PMK N S H
T T Parallel Al chipbreaker with sharp edge
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
2.5 T
2.50
2.50 2.5
2.50
2.50
T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T
0.05
5
15°
15°
30°
30°
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
CNGG43
C
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
Negative Hardened Steel Cutting W C D T R V S W C D T R V S
EGH C D RH Type GH Type SJ Type R
R R FB Type RH ST Type S S
T T LB Type FB Type GX Type R R S S
UM Type
e
C D C D
C D C D
V V
W W
T T
V V
W W
Hardened steel breaker reduces cutting resistance and provides good chip evacuation PMK N S H 1.2 W T V S
LB Type
D
1.50
2.00
1.35
1.65
0.15
e 15
0.18
0.15
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
0.30
0.8 0.5
3.5
0.8
0.30 S 3°
0.5
3.5
15° W
15°
°
-15°
-15°
20°
15°
W W 20°
15°
R
R R
S S
R R
S S
C D C D
C D C D
T T
V V
T T
V V
W W
CNGG43
R
S
R R
S S
C D C D
C D
T
V V
W W
T T
V V
W W
Negative C D R S C D R S C D R S
Chamfering W S C D T R W
S
R
S
R
S
C D
C D
S S S S C D C D LD Type GD Type C Type C
R R R R R R R
T
V
W
T
V
W
S C D R T V W LD Type FP
S C D R T V W
PMK N S H
C D C D C D C D C D
General-purpose ground breaker
e
R
S
S C D R T V W
C D
S S S
T 0.4
V 1.40
W
0.8
2.15
2.95
0.4
0.8
S C D R T V W 0.15
T
5
10°
20°
25°
20°
25°
10°
14°
S C D R T V W
S C D R T V W 0° SNGG43
R R
S S
C D C D
T T
V V
W W
V
R R
S S
C D C D
Bumpy Chipbreaker
Standard Chipbreaker
Handed Chipbreaker For Chamfering
T T
V V
W W
Break Master (CBN/PCD)
W
R R
S S
C D C D
T T
V V
W W
Applicable Part Material: P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel
Bumpy Insert Standard Breaker Handed Breaker Break Master (CBN/PCD) UJ Type
mpy Insert Standard Breaker Handed Breaker ak Master (CBN/PCD) e SS Type W C D T R V S
RD Type
AW Type
Chipbreaker Application Range For Chamfering
For Chamfering
R
S
C D
1.5
1.15 T
V
W
10.5
0.90
2.00
0.1
5°
5°
25°
Rough to Heavy Cutting (Inscribed Circle ø1.2205inch)
Rough to Heavy Cutting (Inscribed Circle ø.6250 to .7500inch) C D T R S
Rough to Heavy Cutting (Inscribed Circle ø1 inch)
15° (20°)
Aluminum Alloy
Hardened Steel
V
W
N
.60
.60
1.20
.16
.16
EHW
EHF
EHF R
S
C D
T
V
W
EHU EHW EHF
EGH
EHP
H
.40
.40
.80
EHU
(R/L)AX
EHG
EHP
.08
.08
ENP
.20
.20
.40
ENP
R
S
C D
T
V
W
No Chipbreaker
Note: The maximum depth of cut of SNGG is 3.5mm
0
0
0
0
0
.016 .032 .047
.016 .032 .047
.024 .047 .070
.002
.004
.004
0.12
.020
Feed Rate f (inch/rev)
Feed Rate f (inch/rev) AY Type
Feed Rate f (inch/rev)
Feed Rate f (inch/rev)
Feed Rate f (inch/rev)
AX Type C D R
S
T
V
W
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.
e
B12 2.50
2.5
2.50
R
S
C D
T
V
W
05
15°
30°
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