Coated grades for Steel Turning AC8015P / AC8020P / AC8025P / AC8035P
AC8015P G RADE FOR H IGH S PEED M ACHNINING
Suppresses crater damage due to chip scraping Double crater wear resistance
High-strength Alumina Layer
Excellent chipping resistance
Significantly reduced crater damage due to chip scraping and the impact of the crystal orientation of the alumina layer
AC8015P
5min
17min
29min
Crystal Orientation alignment
Al 2 O 3
TiCN
Minor Wear
TiCN layer exposed
Lifespan reached
Result is less damage to the alumina layer
Conventional Grade
5min
14min
Significant Crater Damage
Al 2 O 3
TiCN layer exposed No crystal orientation Lifespan reached
TiCN
Part Material ： Bearing Steel (OD Continuous) Insert ： CNMG432EGU-AC8015P Cutting Conditions ： v c = 985SFM f = .0118 IPR a p = .059” Wet
■ AC8015P Cutting Conditions
Soft steel, Low carbon steel (1010, etc.) Low alloy steel (4130, etc.) 180HB or less
High carbon steel (1045, etc.) High alloy steel (4137, etc.) 180HB or more
Insert
Chipbreaker
Depth of Cut (in.) Feed Rate (IPR) Speed vc (SFM) Depth of Cut (in.) Feed Rate (IPR)
Speed vc (SFM)
.004 - .050 .020 - .080 .020 - .100 .030 - .200 .070 - .235 .070 - .235 .120 - .315 .030 - .200 .070 - .235 .060 - .275 .120 - .315 .070 - .250 .080 - .315 .120 - .350
.004 - .016 .004 - .016 .004 - .024 .004 - .018 .008 - .024 .008 - .028 .014 - .032 .006 - .018 .008 - .024 .008 - .028 .014 - .032 .008 - .024 .008 - .028 .014 - .032
625 - 1650 550 - 1550 550 - 1550 550 - 1550 450 - 1300 450 - 1300 450 - 1300 450 - 1300 450 - 1100 450 - 1100 400 - 1000 450 - 1100 450 - 1100 400 - 1000
.004 - .050 .020 - .080 .020 - .100 .030 - .200 .070 - .235 .070 - .235 .120 - .315 .030 - .200 .070 - .235 .060 - .275 .120 - .315 .070 - .250 .080 - .315 .120 - .350
.004 - .016 .004 - .016 .004 - .024 .004 - .018 .008 - .024 .008 - .028 .014 - .032 .006 - .018 .008 - .024 .008 - .028 .014 - .032 .008 - .024 .008 - .028 .014 - .032
450 - 1500 425 - 1400 425 - 1400 425 - 1400 350 - 1150 350 - 1150 350 - 1150 350 - 1150 350 - 925 350 - 925 300 - 825 350 - 925 350 - 925 300 - 825
EFE
ELU, ESU, ESE
ESEW
CNM □ 43 □ DNM □ 43 □ SNM □ 43 □
TNM □ 33 □ TNM □ 43 □ WNM □ 43 □
EGU, EGE, EUX
EMU EME EHG
EGU, EGE, EUX
EMU EME EHG EMU EME EHG
CNM □ 54 □ SNM □ 54 □
CNM □ 64 □ CNM □ 86 □ DNM □ 54 □
SNM □ 64 □ SNM □ 86 □ TNM □ 54 □
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