Patent ID: 11945034
Assignee: MOLDINO TOOL ENGINEERING, LTD.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 6:
7. The cutting insert according to claim 6, wherein, in a cross section orthogonal to the major cutting edge, the inclined portion has: a first steeply inclined portion that protrudes in the direction of the insert center line as the first steeply inclined portion goes from the boss surface toward the major cutting edge side; a gently inclined portion that is continuous with the first steeply inclined portion on the major cutting edge side and protrudes in the direction of the insert center line at a gradient gentler than the first steeply inclined portion as the gently inclined portion goes toward the major cutting edge side; and a second steeply inclined portion that is continuous with the gently inclined portion on the major cutting edge side and protrudes in the direction of the insert center line at a gradient steeper than the gently inclined portion as the second steeply inclined portion goes toward the major cutting edge side.