Cutting insert and cutting insert assembly

Details Cutting insert and cutting insert assembly Cutting insert and cutting insert assembly

B - Operations, Transporting

23

C

B23C 5/20 (2006.01) B23C 5/22 (2006.01)

Patent

CA 2758535

A cutting insert assembly (22) having an insert pocket (30) having a pocket bore (54), a cutting insert (40,140,240,340) and a fastening member (50) coupling the cutting insert (40,140,240,340) in the insert pocket (30). The cutting insert (40,140,240,340) having a cutting insert bore (60,160,260,360), a first surface (62,162,362), a second surface (64,164,364) and a peripheral surface (66,166,366) extending there-between. The first and second surfaces ((62, 162, 362), (64, 164, 364) ) meeting the peripheral surface (66,166,366) at first and second peripheral edges (42,142,342,44,144,344), respectively, at least a portion of at least one of the first and second peripheral edges (42,142,342,44,144,344) forming a cutting edge (46,146,346). The cutting insert bore (60,160,260,360) having at least two portions, the smallest of which, has an oval cross section allowing a for quick replacing or indexing of the cutting insert (40,140,240,340), without having to completely remove the fastening member (50) from the pocket bore (54).

L'invention porte sur un ensemble plaquette de coupe (22) qui comprend : un logement pour plaquette (30) comprenant un alésage de logement (54); une plaquette de coupe (40, 140, 240, 340); et un élément de fixation (50) qui retient la plaquette de coupe (40, 140, 240, 340) dans le logement pour plaquette (30). La plaquette de coupe (40, 140, 240, 340) comporte un alésage de plaquette de coupe (60, 160, 260, 360), une première surface (62, 162,362), une deuxième surface (64, 164,364) et une surface périphérique (66,166, 366) qui s'étend entre ces dernières. La première et la deuxième surface ( (62, 162, 362), (64, 164, 364) ) rejoignent la surface périphérique (66,166,366) en un premier et un second bord périphérique (42,142,342,44,144,344) respectivement, au moins une partie du premier et/ou du second bord périphérique (42,142,342,44,144,344) formant un bord de coupe (46,146,346). L'alésage de plaquette de coupe (60, 160, 260, 360) comporte au moins deux parties, dont la plus petite possède une section transversale ovale qui permet de remplacer ou indexer rapidement la plaquette de coupe (40,140,240,340) sans qu'il soit nécessaire de retirer complètement l'élément de fixation (50) de l'alésage de logement (54).

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