Cutting insert and process for its production

Details Cutting insert and process for its production Cutting insert and process for its production

B - Operations, Transporting

23

C

B23C 5/00 (2006.01) B23C 5/20 (2006.01) B23P 15/28 (2006.01) B23P 15/34 (2006.01)

Patent

CA 2088955

A cutting insert is produced by form-pressing and sintering of powder. The insert comprises a top chip surface, a bottom surface, and at least one edge surface extending between the top and bottom surfaces. The edge surface includes at least one relief surface portion which intersects the top surface at an acute angle to form therewith a cutting edge. A grinding operation is performed on the edge surface, but only along a lower portion thereof disposed below the relief surface portion, i.e., only along an area which is to be placed against a locating surface of a machine tool during a cutting operation.

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