EEF/EEG/EEM
Chipbreakers for Stainless Steel Turning
EEM Chipbreaker for Roughing
Large radius rake face design reduces crater wear while maintaining the cutting edge strength
● Achieves excellent fracture and crater resistance and ensures extremely stable machining
Cutting edge ridge design with no changing points for reduced boundary damage
Mu
Reduction of Damage
Reduction of Boundary Damage
Reduction of Crater Wear
Boundary Wear Comparison
Crater Wear Comparison
Cutting Edge
Cross Section
Mu
Conventional
350 300 250 200 150 100 50
Up 200%
EM
Conventional
EEM
Chipbreaker: EEM Grade: AC6030M Thanks to a large radius rake face design, chips are smoothly evacua ed and crater wear is reduced. 0 Conventional
The cutting edge has no changing points, so boundary damage is reduced.
ø 27.55”
■ Application Example
Chipbreaker: EEM Grade: AC6030M
EM
350 300 250 200 150 100 50
Up 200%
Conventional
2 4 6 8 10 0
0
Chipbreaker: EEM Grade: AC6030M
Conventional
ø 27.55”
Up 200%
Reduces breakage out of the cutting edge and ensures stable machining.
Reduces crater wear and provides long tool life.
2.00”
Chipbreaker: EEM Grade: AC6030M
Conventional
Chipbreaker: EEF Grade: AC6030M
Chipbreaker: EEG Grade: AC6040M
Conventional
Part Material: 316 Stainless Steel (Flange Component) Insert:SNMG644-AC6030M Cutting Conditions: vc = 230 SFM, f = .0195 IPR, ap =.118~.315",Wet
Part Material: 304 Stainless Steel (Valve Component) Insert: SNMG432-AC6030M Cutting Conditions: vc = 330 SFM, f = .0125 IPR, ap = .079~.098",Wet
5
8 10
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