Patent ID: 11969807
Assignee: TAEGUTEC LTD.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 18:
19. The rectangular cutting insert according to claim 18, wherein the insert is double-sided and comprises:
a third main cutting edge formed at the second lower corner portion;
a fourth main cutting edge formed at the fourth lower corner portion;
a third ramping cutting edge formed at the first lower corner portion;
a fourth ramping cutting edge formed at the third lower corner portion;
an upper ridge portion protruding upward in the height direction and extending in a diagonal direction between the first and third upper corner portions; and
first and second upper support surfaces formed on opposite sides of the upper ridge portion, the first and second upper surfaces inclined downward in the height direction from the upper ridge portion and defining an obtuse angle along the upper ridge portion.