CUTTING INSERT AND CUTTING EDGE REPLACEMENT TYPE CUTTING TOOL

A cutting insert (1) includes first and second polygonal surfaces (2) and a plurality of side surfaces (3). A corner edge (5) that has a corner rake surface (5a) on the first polygonal surface (2) is formed at a first corner portion (C1), and a main cutting edge (6) is formed from the corner edge (5...

Full description

Saved in:
Bibliographic Details
Main Authors SAKAMOTO, Chinami, WATANABE, Shota, KANBARA, Masashi, KITAJIMA, Jun
Format Patent
LanguageEnglish
French
German
Published 08.06.2022
Subjects
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
MILLING
PERFORMING OPERATIONS
TRANSPORTING
Online AccessGet full text

Cover

More Information
Summary:A cutting insert (1) includes first and second polygonal surfaces (2) and a plurality of side surfaces (3). A corner edge (5) that has a corner rake surface (5a) on the first polygonal surface (2) is formed at a first corner portion (C1), and a main cutting edge (6) is formed from the corner edge (5) to a second corner portion (C2). The main cutting edge (6) includes, at least on a corner edge (5) side, a rake angle gradual increase region (6e) where a rake angle of a main rake surface (6a) gradually increases to a positive angle side as going from a first end portion (5A) of the corner edge (5) toward a second corner portion (C2) side.
Bibliography:Application Number: EP20190855701