Cutting tools and drill inserts with chip control geometry

Details Cutting tools and drill inserts with chip control geometry Cutting tools and drill inserts with chip control geometry

B - Operations, Transporting

23

B

B23B 51/02 (2006.01) B23B 51/00 (2006.01)

Patent

CA 2398492

A cutting tool or drill insert (40) with chip control geometry comprising a body including a portion securable in a holder and a forward portion (41). The forward portion (41) defining at least one cutting edge (49) extending from the central axis of the body to an edge of the body. A chip groove (44) is defined by the surface of the body adjacent to the cutting edge (49). The chip groove (44) incorporates chip control geometry as spaced apart elongate projections (45).

L'invention concerne un outil de coupe ou une pièce de perçage associée (40), à géométrie de contrôle des copeaux, qui comprend une partie susceptible d'être fixée dans un instrument de maintien et une partie avant (41) définissant au moins un bord de coupe (49) étendu depuis l'axe central du corps vers un bord du corps. Une rainure à copeaux (44) est définie par la surface du corps adjacente au bord de coupe (49). La rainure à copeaux (44) présente une configuration de géométrie de contrôle des copeaux sous la forme de protubérances allongées espacées (45).

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