CUTTING INSERT

It is intended to allow a wide range including a low region (fine finishing) to a middle region (medium cutting) to be covered with a single insert. A cutting insert (10) includes an upper surface, a lower surface, a peripheral side surface, a cutting edge (20) including a main cutting edge and a co...

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Bibliographic Details
Main Author IDA, Takehiro
Format Patent
LanguageEnglish
French
German
Published 02.11.2022
Subjects
BORING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
TRANSPORTING
TURNING
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Summary:It is intended to allow a wide range including a low region (fine finishing) to a middle region (medium cutting) to be covered with a single insert. A cutting insert (10) includes an upper surface, a lower surface, a peripheral side surface, a cutting edge (20) including a main cutting edge and a corner cutting edge, a corner portion, a projecting portion formed to extend from the corner portion toward a central axis and including a first projection (41) and a second projection (42), a rake portion (50), and an inclined portion (S) provided at the cutting edge. The inclined portion has a first inclined portion beginning at an intermediate point in the corner cutting edge, while the rake portion has a shape in which an angular degree of a rake angle gradually increases with distance from the corner portion.
Bibliography:Application Number: EP20220170192