Cutting tool and cutting insert therefor

Details Cutting tool and cutting insert therefor Cutting tool and cutting insert therefor

B - Operations, Transporting

23

C

B23C 5/08 (2006.01) B23C 5/22 (2006.01)

Patent

CA 2562579

A cutting insert (14) comprising a cutting portion (24) and a locating portion (26), the cutting portion (24) comprising a cutting edge (28) formed at the intersection of a rake surface (30) and a relief surface (32) ; an upper surface (34), a lower surface (36) and a peripheral side surface therebetween, the peripheral side surface comprising opposing forward and rear surfaces (38, 40) and opposing side surfaces (42) extending between the forward and rear surfaces (38, 40); the relief surface (32) being located in the forward surface (38) and the rake surface (30) being located in the upper surface (34); the locating portion (26) extends downwardly from the cutting portion (24) away from the upper surface (34); the locating portion (26) comprising opposing forward and rear locating surfaces (44, 46), the rear locating surface (46) being located in the rear surface (40) and the forward locating surface (44) being located in the lower surface (36) ; and a lower locating surface (48) located in the lower surface (36) and opposing the upper surface (34), and extending between the forward surface (38) and the forward locating surface (44). A cutting tool (10; 20) with such a cutting insert.

L'invention concerne un insert de coupe (14) comprenant une partie de coupe (24) et une partie de positionnement (26). La partie de coupe (24) comprend un bord de coupe (28) formé au niveau de l'intersection d'une surface de coupe (30) et d'une surface en relief (32); une surface supérieure (34), une surface inférieure (36) et une surface latérale périphérique située entre les deux surfaces, ladite surface latérale périphérique comprenant des surfaces avant et arrière (38, 40) opposées et des surfaces latérales (42) opposées s'étendant entre lesdites surfaces avant et arrière (38, 40). La surface en relief (32) est disposée dans la surface avant (38) et la surface de coupe (30) est disposée dans la surface supérieure (34). La partie de positionnement (26) s'étend vers le bas à partir de la partie de coupe (24), écartée de la surface supérieure (34), et comprend des surfaces de positionnement avant et arrière (44, 46) opposées, la surface de positionnement (46) arrière étant placée dans la surface arrière (40) et la surface de positionnement (44) avant étant placée dans la surface inférieure (36). Une surface de positionnement (48) inférieure est placée dans la surface inférieure(36) opposée à la surface supérieure (34) et s'étend entre la surface avant (38) et la surface de positionnement (44) arrière. L'invention concerne un outil de coupe (10; 20) comprenant ledit insert de coupe.

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