Combined neck shape Back Draft Effect * Flute shape provides both rigidity and cutting performance. * Chattering is not likely even during high-speed cutting. * Machined surface roughness of bottom is also good. Hitachi Tool Engineering, Ltd.

-■ÎWortplMS : K >ÎH Pie-nardcsn staal (38HRC)

EPOCH Deep Radius 1 TJ'IC'IHÖS Fig.I: Differente liislepmk Reliable backdraft shape

EPOCH Deep Radius F

EPOCH Deep Radius F Recommended cutting conditions V/ÈM] 9^-2^#Ji§Ur<fcSU, [Note] Please referto P.9

EPOCH Deep Radius

Application Data Performance comparison with ball end mills Cutting process For the ball end mill For the radius end mill Rough contour machining R Semi-finishing Finishing R Side-open cavity R Cutting form Cutting form Work material ap vc Epoch Deep Radius F (Finishing) r Under neck length ae bottom r Finishing R ae n vf R Conventional Ball End Mill vc Under neck length vc ap ae bottom ae ap Under neck length ae EPDRF4020-20-05-TH Steps created Competitor's precision radius Undulation created Side, Bottom R part Corner part R Chattering occurred Good machined surface without chattering Chattering...

EPOCH Deep Radius F CJOXM : -0001 (HASÜ) (amPM : -0.006m) (KWS)