Coated Grades for Steel Turning AC8115P/AC8020P/AC8025P/AC8035P
█ AC8025P Cutting Performance
Suppresses adhesion with ultra-smooth surface. Adhesion fracture resistance 2x or more
General Machining AC8025P
Absolute Reliability Surface Smoothing Treatment
Surface smoothing treatment signi cantly suppresses adhesion and chipping
AC8025P
2min
70min
120min
SEM image
Ra0.04µm
Normal wear Minor damage only, able to continue
Conventional Tool
2min
70min
SEM image
Unable to continue
Ra0.4µm
Adhesion
Fracture
Workpiece Material: 8620 (Facing) Insert: CNMG432EGU (AC8025P) Cutting Conditions: v c = 328 to 984 SFM f = .0118 IPR a p = .059” Wet
█ AC8025P Recommended Cutting Conditions
Min. - Max.
Mild Steel ( A283 , etc.) Low Carbon Steel ( 1018 , etc.) Low-alloy Steel ( 8620 , etc.) 180HB or less
High Carbon Steel ( 1040 , etc.) High-alloy Steel ( 4140 , etc.) 180HB or more
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)
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 .177
.047 .079 .098 .197 .236 .236 .315 .197 .236 .276 .315 .236 .315 .354 .531
- - - - - - - - - - - - - - -
492 492 492 492 427 427 328 427 328 328 262 328 328 262 443
1148 1148 1148
- - - - - - - - - - - - - - -
394 394 394 328 262 262 197 328 262 262 230 262 262 230 344
984 984 984 886 755 755 656 755 689 689 591 689 689 591 623
- - - - - - - - - - - - - - -
.004 .004 .004 .004 .008 .008 .014 .006 .008 .008 .014 .008 .008 .014 .018
.018 .016 .024 .018 .024 .028 .031 .018 .024 .028 .031 .024 .028 .031 .043
- - - - - - - - - - - - - - -
.004 .004 .004 .004 .008 .008 .014 .006 .008 .008 .014 .008 .008 .014 .018
.018 .016 .024 .018 .024 .028 .031 .018 .024 .028 .031 .024 .028 .031 .043
- - - - - - - - - - - - - - -
.004 .020 .020 .031 .071 .039 .118 .031 .071 .059 .118 .071 .079 .118 .177
.047 .079 .098 .197 .236 .236 .315 .197 .236 .276 .315 .236 .315 .354 .531
- - - - - - - - - - - - - - -
CNM 43 TNM 33 DNM 43 TNM 43 SNM 43 WNM 43
984 919 919 853 919 853 853 787 853 853 787 722
EMU EME EHG EMU EME EHG EHF
CNM 54 SNM 54
CNM 64 SNM 64 CNM 86 SNM 86 DNM 54 TNM 54
7
Made with FlippingBook flipbook maker