By Cutting Conditions Chipbreaker Selection
CBN
SUMIBORON Insert
LV
FV
PMK N S H Drastically improved chip control in finishing of hardened steel.
PMK N S H Drastically improved chip control in finishing of hardened steel.
0.4
0.60
45°
0.05
30°
Break Master
Break Master
-35°
0° 7°
0° 7°
R
S
R
S
C D
C D
T
V
W
T
V
W
SV
PMK N S H Significantly improved chip control with carburised layer removal
B
0.84
0.15
30°
Break Master
-35°
0°
R
S
C D
T
V
W
SUMIDIA Insert
PCD
DM
LD
GD
Ideal breaker for finishing of aluminum alloy thanks to special cutting edge shape PMK N S H
Ideal breaker for medium finishing to general machining of aluminum alloy thanks to special cutting edge shape PMK N S H
Perfect breaker for high-speed finishing of aluminum alloy PMK N S H
0.4
0.8
1.5
20°
25°
Break Master
Break Master
Break Master
NFCCMX21.5
NFCCMX21.5
NU-CCMT32.5
7° 11°
7° 11°
7° 11°
C
R
S
R
S
C D
C D
R
S
C D
T
V
W
T
V
W
T
V
W
D
R
S
T
V
Bumpy Chipbreaker
Standard Chipbreaker
Handed Chipbreaker
Break Master (CBN/PCD)
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
SUMIBORON (For Hardened Steel) (Inscribed Circle up to .5000inch)
SUMIBORON (Carburised Layer Removal) (Inscribed Circle up to .5000inch)
SUMIDIA (For Aluminum Alloy)
H
N
H
.028
.028
.08
.020
.020
SV
GD
.04
.012
.012
LV
FV
.004
.004
LD
0
0
0
.004 .008 .012
.004 .008 .012
.004
.008 .012 .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.
B15
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