A cutting insert and a cutting tool assembly

Details A cutting insert and a cutting tool assembly A cutting insert and a cutting tool assembly

B - Operations, Transporting

23

C

B23C 5/22 (2006.01)

Patent

CA 2328911

An exchangeable cutting insert (1) comprises a front cutting portion (2) having an operative front surface (3) with two lower corners and at least one upper comer, and a trailing mounting portion (4) extending rearwardly therefrom. The front cutting portion (3) is formed with a major cutting edge (6, 8) extending between the two lower comers and a minor side edge (10, 12) extending between one of the lower comers and said upper corner. The minor side edge (10, 12) is substantially perpendicular to the major cutting edge (6, 8). The major cutting edge (6, 8) has two trailing extremities associated with the lower comers, and having a leading extremity which protrudes outwardly and is raised upwardly relative to the trailing extremities.

L'invention concerne un élément rapporté (1) de coupe amovible comprenant une partie de coupe (2) avant présentant une surface avant (3) de fonctionnement possédant deux coins inférieurs et au moins un coin supérieur, et une partie de montage (4) arrière s'étendant vers l'arrière. La partie de coupe (3) avant est formée d'un bord de coupe (6, 8) principal s'étendant entre les deux coins inférieurs et d'un bord latéral (10, 12) secondaire s'étendant entre un des deux coins inférieurs et le coin supérieur. Le bord latéral (10, 12) secondaire est sensiblement perpendiculaire au bord de coupe (6, 8) principal. Le bord de coupe principal possède deux extrémités arrière associées aux coins inférieurs et une extrémité avant se projetant vers l'extérieur et pointant vers le haut par rapport aux extrémités arrières.

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