Coated Turning Grades for Cast & Ductile Iron AC4010K /AC4015K /AC4125K Coated Grades for Cast Iron AC4010K / AC4015K / AC4125K
Chipbreaker Selection
EGU
Low-resistance breaker suitable for machining workpieces with low rigidity such as ones that are narrow and long General finishing breaker that is both sharp and strong Our 1st recommended breaker with excellent cutting edge strength and high versatility Roughing breaker that demonstrates both sharpness and strength in high-feed machining Excellent cutting edge strength, ideal for large depths of cut and interrupted machining
2.05
0.25
25°
7°
No Chipbreaker
EME ENZ
ENZ
1.9
0.25
14°
4°
EGZ
1.9
0.25
16°
EME
EGZ
2.4
EGU
0.3
4°
Low
High
No Chipbreaker
Work Material Rigidity
Chipbreaker Application Range
D Negative
D Positive
No Chipbreaker
.24
.24
EME
EME
No Chipbreaker
No Chipbreaker
.16
.16
EGZ
EGU
No Chipbreaker
EGZ
EMU
ENZ
EMU
.08
.08
ENZ
EGU
Feed Rate f (IPR) .008 .016
.024
Feed Rate f (IPR) .008 .016
.024
0
0
Sharp Edge Strong Cutting Edge
Sharp Edge Strong Cutting Edge
Recommended Cutting Conditions
(Red text indicates 1st recommendation)
Cutting Conditions
Min. - Max.
Work Material
Grade
Application
Depth of Cut ap (inch)
Cutting Speed (vc) (SFM)
Feed Rate f (IPR)
.020 - .236 .020 - .236 .020 - .236 .020 - .236 .020 - .236 .020 - .236 .020 - .236 .020 - .236 .020 - .236
.004 - .016 .004 - .020 .004 - .024 .004 - .016 .004 - .020 .004 - .024 .004 - .016 .004 - .020 .004 - .024
655 - 2300 590 - 1475 490 - 985 590 - 1475 525 - 1310 395 - 820 525 - 1310 460 - 1150 260 - 720
AC4010K AC4015K AC4125K AC4010K AC4015K AC4125K AC4010K AC4015K AC4125K
Continuous to General Interrupted Heavy Interrupted Continuous General to Interrupted Heavy Interrupted Continuous General to Interrupted Heavy Interrupted
Gray Cast Iron (example: FC250)
Ductile Cast Iron (example: 60-40-18)
High-strength Ductile Cast Iron (example: 100-70-03)
7
7
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