Chipbreaker and Grade Selection Guide for Turning Exotic Alloy
Exotic Alloy
Grades
SUMIBORON BN7000
1,300
L10
BN7125 CBN
660
Coated Carbide AC5005S
Coated Carbide AC5015S Cemented Carbide EH510
330
A
AC5025S EH520 Coated Carbide Cemented Carbide
165
0
Finishing
Roughing
Partially Interrupted
Interrupted
Continuous
Chipbreakers
Negative Type
Positive Type
EEM Type
EGU type
EMU Type
.160
.160
EEM Type
EEG Type
ESU Type
EEG Type
MESI type
EMU Type
EEX Type (EUP Type )
MESI Type
EUP Type
ESU type
.080
.080
EGU type
FX Type
EEF Type ESU Type
EEX Type
EFC type
ESU Type
FY Type
FX/FY type
0
.004
.008 .012 .016
0
.004
.008
.012 .016
MEFC/ EFC Type
EEF Type
Feed Rate f (IPR)
Feed Rate f (IPR)
Recommended Cutting Conditions
Exotic Alloy
(Red text indicates 1st recommendation)
Cutting Conditions
Cutting Process
Min. - Max.
Work Material
Chipbreaker
Grade
Depth of Cut a p (inch)
Cutting Speed v c (SFM)
Feed Rate f (IPR)
AC5005S AC5015S AC5025S AC5005S AC5015S AC5025S AC5005S AC5015S AC5025S AC5015S AC5025S EH510 (AC5005S, AC5015S) AC5005S, AC5015S EH510 (AC5005S, AC5015S) AC5025S
EEF
.008 - .060
.004 - .008
165 - 400
Finishing
Heat-Resistant Alloy ( Ni-based Material ) Fe-based Material Co-based Material
EEX
.020 - .120
.004 - .012
130 - 350
Light
EEG
.020 - .160
.006 - .012
130 - 350
Medium
EMU/EEM
.040 - .160
.008 - .016
100 - 300
Rough
EEF (E SU )
.008 - .060
.004 - .008
165 - 300
Finishing
Titanium Alloy ( Pure Titanium (99.5%) ) α + β Alloy
EEX
.020 - .100
.004 - .010
130 - 250
Light
EEG
.020 - .140
.006 - .012
130 - 250
Medium
EMU/EEM
.040 - .140
.008 - .012
100 - 165
Rough
A18
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