EEF/EEG/EEM
Chipbreakers for Stainless Steel Turning
■ Chipbreaker Application Range
.2362
● In addition to the EEF for finishing and the EEG for medium cutting, the EEM for rough cutting has been added to the chipbreaker series for stainless steel machining. ● To ensure excellent stability in stainless steel turning applications, the EEM offers cutting edge strength, the EEG both cutting edge strength and chip control capabilities, and the EEF further improved chip control capabilities.
EEM
.1575
EEG/EGU
EEX EUP
.0787
EEF
ESU
0
.0079
.0156
.0234
f Feed Rate (IPR)
EEG Chipbreaker for Medium Cut
EEF Chipbreaker for Finishing
● Reduces chip curl diameters and thereby achieves excellent chip control in the finishing region.
350 300 ● Achieves excellent wear resistance and chip control in the general to rough machining regions and thereby provides excellent versatility.
Up 200%
250 200 150 100 50
Main chipbreaker which achieves excellent chip control even in small-depth cutting
Spherical projections which achieve excellent chip control in various conditions
Conventional
0
Chipbreaker: EEM Grade: AC6030M
Conventional
ø 27.55”
Chipbreaker: EEM Grade: AC6030M
Edge shape which maintains strength even after worn
Rake angle focusing on cutting performance (20°) to reduce wear
Rake face groove shape to reduce generation of heat and prevent uneven contact
■ Application Example
■ Application Example
2 4 6 8 10 0
Up 200%
2.00”
Conventional
Chipbreaker: EEF Grade: AC6030M
Chipbreaker: EEG Grade: AC6040M
Conventional
Improves chip control and reduces scratches on finished surfaces.
Reduces flank wear and achieves excellent chip control.
Part Material: 304 Stainless Steel (Cover Component) Insert: DNMG432-AC6030M Cutting Conditions: vc = 180 SFM, f = .0049 IPR, ap = .0118", Wet
Part Material:18Cr-8Ni Austenitic Stainless Steels (Coupling Component) Insert: CNMG432-AC6040M Cutting Conditions: vc = 230 - 600 SFM, f = .0055 IPR, ap = .098", Wet
4
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