Chipbreaker and Grade Selection Guide for Turning Steel
Steel
Grades
● Fine Cutting to Finishing (Cermet)
● Finishing to Roughing (Coated Carbide)
High-speed Turning AC8015P
1400
1400
AC8020P High-ef ciency General-purpose Turning
High-speed Turning T1000A
T1500Z High-speed to General-purpose Turning
T2500Z General-purpose to Interrupted Turning
1050
1050
A
General-purpose Turning T1500A
General-purpose Turning AC8025P
700
700
Interrupted to Heavy Interrupted Cutting AC8035P
Continuous/Light Turning AC6030M For Small Lathes AC1030U
Interrupted to Heavy Interrupted Turning AC8035P
350
350
0
0
Finishing
Roughing
Fine Finishing
Finishing
Partially Interrupted
Interrupted
Continuous
Partially Interrupted
Interrupted
Continuous
Main Chipbreakers
Negative Type
Positive Type
EMU Type
EMU Type
EGU Type
EMU type
.240
.120
EME Type
EME Type EMU Type
ESU Type
ESU type
EGE Type (Emphasis on crater wear resistance)
.160
.080
ELB Type
EGU Type (Sharper Edge)
EGU type
EGE Type EGU Type
ELB type
ESE Type ESU Type
ELU Type
.080
.040
ELU type
ESU Type
EFB type
EFE Type
EFB Type
ESE Type
0
.024
.008
.016
0
.008
.016
Feed Rate f (IPR)
Feed Rate f (IPR)
EFE Type
Sub-Chipbreakers
Chipbreakers for High-ef ciency Machining
Negative Type
Strong Cutting Edge Chipbreakers
6
.120
EME Type
EMX Type
4
.080
EUX Type
EGE Type
ESE Type
2
.040
ESX Type
EFE Type
0 .008
Feed Rate f (IPR) .016
.024 .032
0
.008
.016
.024
Feed Rate f (IPR)
Chipbreakers for Shallow Depth of Cut
Wiper Insert
Chipbreakers for Heavy Cutting
.600
.170
.024
EHW Type
EHF Type
.400
.080
.160
EGUW Type
ELU Type
EFB Type
.200
.040
.080
EFL Type /
ESEW Type
EHU Type
EFA Type
EFE Type
ELUW Type
EHP / EHG Type
ENP Type
0
.008 .016 .024
0
.012 .024 .036
.060
0 .015 .030 .045
A10
Feed Rate f (IPR)
Feed Rate f (IPR)
Feed Rate f (IPR)
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