Coated Grades for Steel Turning AC8115P/AC8020P/AC8025P/AC8035P
█ AC8115P Cutting Performance (Dry Machining) Wear resistance 1.5x through improved alumina layer wear resistance and plastic deformation resistance
AC8115P
.016
Machining for 15 minutes
Machining for 24 minutes
Machining for 35 minutes
.012
.008
AC8115P
Minor wear
Able to continue
End of tool life
Conventional Tool
.004
Machining for 15 minutes
Machining for 24 minutes
Conventional Tool
0 5 101520253035
Machining Time (min)
Exposed substrate End of tool life
Workpiece Material: 4137 Steel Round Bar (External Turning) Insert: CNMG432EGE (AC8115P) Cutting Conditions: v c =885 SFM f =.0118 IPR a p =.059” Dry
█ AC8115P Recommended Cutting Conditions
Min. - Max.
High Carbon Steel (1040, etc.) High-alloy Steel (4140, etc.) 180HB or more
Mild Steel (A283, etc.) Low Carbon Steel (1018, etc.) Low-alloy Steel (8620, etc.) 180HB or less
Insert Shape / Cutting Edge Length
Chipbreaker
Depth of Cut a p (inch)
Feed Rate f (IPR)
Cutting Speed v c (SFM)
Depth of Cut a p (inch)
Feed Rate f (IPR)
Cutting Speed v c (SFM)
- - - - - - - - - - - - - -
- - - - - - - - - - - - - -
.047 .079 .098 .197 .236 .236 .315 .197 .236 .276 .315 .236 .315 .354
.047 .079 .098 .197 .236 .236 .315 .197 .236 .276 .315 .236 .315 .354
623 558 558 558 459 459 459 459 459 459 394 459 459 394
1476 1476 1476 1476 1247 1247 1247 1247
- - - - - - - - - - - - - -
459 427 427 427 361 361 361 361 361 361 295 361 361 295
EFE ELU/ESU/ESE ESEW EGU/EGE/EUX EMU EME EHG EGU/EGE/EUX
.004 .020 .020 .031 .071 .039 .118 .031 .071 .059 .118 .071 .079 .118
1640 1640 1640 1640 1444 1444 1444 1312 1181 1181 1083 1181 1181 1083
.004 .020 .020 .031 .071 .039 .118 .031 .071 .059 .118 .071 .079 .118
- - - - - - - - - - - - - -
- - - - - - - - - - - - - -
.004 .004 .004 .004 .008 .008 .014 .006 .008 .008 .014 .008 .008 .014
.016 .016 .024 .018 .024 .028 .031 .018 .024 .028 .031 .024 .028 .031
- - - - - - - - - - - - - -
.004 .004 .004 .004 .008 .008 .014 .006 .008 .008 .014 .008 .008 .014
.016 .016 .024 .018 .024 .028 .031 .018 .024 .028 .031 .024 .028 .031
CNM 43 TNM 33 DNM 43 TNM 43 SNM 43 WNM 43
984 984 886 984 984 886
EMU EME EHG EMU EME EHG
CNM 54 SNM 54
CNM 64 SNM 64 CNM 86 SNM 86 DNM 54 TNM 54
5
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