Process for producing a cutting insert

Details Process for producing a cutting insert Process for producing a cutting insert

1993-01-14

1994-11-22

Terrell, William E.

Metal tools and implements, making

Blank or process

76115, 76DIG11, 407114, B21K 512, B22F 500, B23C 520

Patent

active

053658051

ABSTRACT:
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.

REFERENCES:
patent: 4294565 (1981-10-01), Erkfritz
patent: 4616962 (1986-10-01), Ushijima et al.
patent: 5078550 (1992-01-01), Satran et al.
patent: 5145295 (1992-09-01), Satran

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