REPLACEABLE TOOL EDGE ROTARY CUTTING TOOL AND INSERT

Provided is an indexable rotary cutting tool comprising wherein, a twist angle of the outer peripheral cutting edge (9) has a positive value, an axial rake angle (Ar1) of the cutting edge (13) of the corner R at a boundary point (Q) between the cutting edge (13) of the corner R and the outer periphe...

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Bibliographic Details
Main Authors KIUCHI Yasuhiro, KOBAYASHI Yoshiyuki, INAGAKI Fumihiko, NAKAMIGAWA Takao, HAYASHI Yuuki
Format Patent
LanguageEnglish
French
German
Published 03.01.2024
Subjects
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
MILLING
PERFORMING OPERATIONS
TRANSPORTING
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Summary:Provided is an indexable rotary cutting tool comprising wherein, a twist angle of the outer peripheral cutting edge (9) has a positive value, an axial rake angle (Ar1) of the cutting edge (13) of the corner R at a boundary point (Q) between the cutting edge (13) of the corner R and the outer peripheral cutting edge (9) has a positive value, the axial rake angle (Ar2) of the cutting edge (13) of the corner R at the reference point (RP) has a negative value, at least the radial rake angle (´) in a region between the boundary point (Q) and the reference point (RP) in an entire edge length region of the cutting edge (13) of the corner R has a negative value, and the radial rake angle (Ar2) of the cutting edge (13) of the corner R at the reference point (RP) is smaller than the radial rake angle (Ar1) of the cutting edge (13) of the corner R at the boundary point (Q).
Bibliography:Application Number: EP20160889871