Coated Cermet Grade for Steel Turning T2100Z Grade
Cermet vs. Carbide Grades
When rake face wear is
the main damage
1,150
AC8115P Coated Carbide
1,000
T2100Z Coated Cermet
500
When adhesion is
AC8025P Coated Carbide
the main damage
.008
.012
Feed Rate (IPR)
Low
High
Chipbreaker Selection
General-Purpose 1st Recommendation
D Negative
Negative Insert Main Chipbreaker ESU
Sharper Edge For chatter, burrs, or machined surface defects
Emphasis on High Efficiency For high speed/high feed
Strong Edge For chipping or notching
Emphasis on Chip Control When chips are long
ELU
EFE
ESE
ESX
Chip Control
Cutting Edge Sharpness
High-Feed
Cutting Edge Strength
For Fine Finishing
For Fine Finishing
Further improved strength
EFL
EEF
EGU
Chip Control Small Depth of Cut
Cutting Edge Sharpness
Cutting Edge Strength
Small Depth of Cut
General-Purpose 1st Recommendation
D Positive
Positive Insert Main Chipbreaker ESU
Sharper Edge For chatter, burrs, or machined surface defects ELB Cutting Edge Sharpness
Strong Edge For chipping or notching
Emphasis on Chip Control When chips are long
EFP
EGU
Chip Control
Cutting Edge Strength
For Fine Finishing
For Fine Finishing
ELU
EFB
Chip Control Small Depth of Cut
Cutting Edge Sharpness Small Depth of Cut
D Negative M Class (Fine to Light Cutting) Chipbreaker Application Range
D Negative M Class (up to Medium Cutting)
D Positive M Class
D Positive G Class
.118
.118
.078
.157
MESI
EGU
ELUW EEF ESU ELU
EGU
ESU
.118
ESX
.078
.078
EFK
ELUW
EFE
.039
.078
ELB
ESE
EFL
EFP
EFB
.039
.039
.039
EFC
EFB
ESEW
ELU
0
0
.004
Feed Rate f (IPR) .008 .012
.016
.020
0
Feed Rate f (IPR) .008 .016 .024
.004 Feed Rate f (IPR) .008 .012
Feed Rate f (IPR) .008 .004 .012
.016
.016
0
3
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