Cutting insert with improved flank surface roughness and...

Details Cutting insert with improved flank surface roughness and... Cutting insert with improved flank surface roughness and...

B - Operations, Transporting

24

B

B24B 1/00 (2006.01) B23B 27/14 (2006.01)

Patent

CA 2346849

A cutting insert (50) having a rake surface (60) and a flank surface (62) wherein there is a cutting edge (64) at the intersection of the rake surface (60) and the flank surface (62). The rake surface (60) exhibits a sufficient degree of surface roughness so as to provide for microscopic chip control. The flank surface (62) exhibits a sufficiently smooth (i.e., a mirror finish) so as to provide for a workpiece surface finish that approaches (or possibly reaches) the theoretical value attributable for the given cutting conditions.

Cette invention se rapporte à une pièce de coupe (50) comportant une face (60) et un chant (62) à l'intersection desquels se trouve un bord tranchant (64). La face (60) possède un degré de rugosité de surface suffisant pour limiter la production d'éclats microscopiques. Le chant (62) possède un fini suffisamment lisse (par exemple de qualité optique) pour conférer à la surface de la pièce usinée un fini qui est proche ou éventuellement égal à la valeur théorique attribuable à des conditions de coupe données.

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