Cutting insert and process for its production

摘要

A cutting insert for chip-breaking machining comprises a pressed and sintered powder body having a top chip surface (2), a bottom surface (3) and at least one edge surface (4A-4D) interconnecting said top and bottom surfaces. This edge surface includes a relief surface portion (8, 10) which intersects said top surface (2) at an acute angle to form a cutting edge. The gist of the present invention is that the edge surface further comprises a recess (15) for saving grinding. $$