Method of embedding hard cutting particles in a surface of a cut

Details Method of embedding hard cutting particles in a surface of a cut Method of embedding hard cutting particles in a surface of a cut

1983-04-22

1984-12-18

Morris, Theodore

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51309, 264 22, 264101, 427 531, B24B 100

Patent

active

044888821

ABSTRACT:
To apply hard cutting particles, for example of tungsten carbide, on the surface of the cutting edge of a cutting tool, such as a saw blade, a drill, or the like, the cutting edge is partially melted by an energy beam, for example a laser beam, or an electron beam. A laser beam is preferred since, then, the process can be carried out in air, or in a protective gas atmosphere, rather than in a vacuum. The beam partially melts the cutting edge and the granules of the hard metal particles, preferably in a random grain size of between 0.3 to 1.5 mm is permitted to run down, over the partially melted surface, excess being collected for reuse; alternatively, the partially melted surface can be dipped into the granules, and permitted to solidify.

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patent: 4328646 (1982-05-01), Kaganowicz
patent: 4401719 (1983-08-01), Kobayashi et al.

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