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US 9,168,590 B2Granted
Tangential indexable cutting insert
AssigneeKennametal Inc.
InventorsIgor Kaufmann, Rudi Hartlöhner, Franz Havrda
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AssigneeKennametal Inc.
InventorsIgor Kaufmann, Rudi Hartlöhner, Franz Havrda
Estimating the term…
A tangential indexable cutting insert having eight lips which are distributed in pairs over four side faces of the indexable cutting insert, each lip being formed by a main lip which is formed by the intersection of one of the side faces with a base face, a secondary lip, which is formed by the intersection of the side face with an adjacent side face, and a corner edge (5) adjoining the main lip and the secondary lip, is distinguished by the fact that the main lip has a front portion (4a) which is located at the level of the corner edge, a rear portion which is located at a lower level closer to a center axis of the indexable cutting insert, and a transition portion between the front portion and the rear portion, the three portions being located in one plane.
A tangential indexable cutting insert having eight lips which are distributed in pairs over four side faces of the indexable cutting insert, each lip being formed by a main lip, which is formed by the intersection of one of the side faces (3) with a base face, a secondary lip, which is formed by the intersection of the side face with an adjacent side face, and a corner edge adjoining the main lip and the secondary lip, wherein the main lip has a front portion which is located at the level of the corner edge, a rear portion which is located at a lower level closer to a center axis of the indexable cutting insert, and a transition portion between the front portion and the rear portion, the front portion, the rear portion and the transition portion transition portion being located in one plane.
Dependencies are inferred from the claim text.