Coated Grades for Steel Turning AC8115P/AC8020P/AC8025P/AC8035P
■ Chipbreaker Selection Guide
EGU Chipbreaker 2.05
1st Recommendation General Purpose Grade
AC8025P
0.25
25°
7°
1st Recommendation
Units (mm)
General Purpose
Better Toughness
Better Wear Resistance
EFE
ESE
ESU
ESX
1.3
1.40
1.35
1.5
Finish to Small Depth
0.2
0.1
13°
0.70
15°
17°
20°
5°
3°
EUX
EGU
EGE
2.0
2.05
2.0
General Purpose
0.25
0.25
0.25
15°
25°
23°
7°
3°
EMX
EMU
EME
2.3 0.2 0.4 -15 °
2.5
Rough to Larger Cutting Depth
2.4
0.3
0.3 4°
20 °
20 °
4 °
AC8035P Interrupted Machining with Emphasis on Stability
AC8115P High-Speed Continuous Machining of Mild Steel
EFE
EGU
1.40
2.05
0.25
Low Depth of Cut for Extended Tool Life
0.70
25°
Extend Tool Life
20°
7°
ESE
EUX
1.5
2.0
0.1 5 °
High-Efficiency Finishing
0.25
Stable Cutting
15°
17 °
AC8020P High-Efficiency Machining of High-Hardness Materials and Forged Materials
EGE
EGU
2.0
2.05
Increased Cutting Speeds
Increased Feed Rates
0.25
0.25
25°
23°
7°
3°
■ Chipbreaker Application Range
Continuous ~ Light Interrupted cut
Light Interrupted ~ Heavy Interrupted cut
Rough ~ Heavy cut *Single sided chipbreaker
Good chip control
EEM
.24
.16
.24
.60
EEG
EMU / EEM
EHU
EMX
EME
EME
EHW
.12
EGU
EUX
EHP EHG
.16
.16
.40
ELU
.08
EEF
ESX
EGE
EGE
.08
.08
.20
.04
EHF
ESU
EFE
ESE
ESE ESEW Wiper
EFL
0
0
0
.004
.008
.012
.016
.020
0
.008
.016
.024
.032
（ IPR ） Feed rate .008 .024 .016
.032
.016
.032
.047
.063
9
（ IPR ） Feed rate
（ IPR ） Feed rate
（ IPR ） Feed rate
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