Method for machining holes in composite materials

Details Method for machining holes in composite materials Method for machining holes in composite materials

1985-12-03

1987-07-21

Briggs, William R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

408 1R, B24C 108, B23B 3500

Patent

active

046808973

ABSTRACT:
A method for boring well-defined holes in a composite material such as graphite/epoxy. A slurry of silicon carbide powder and water is projected onto a work area of the composite material in which a hole is to be bored with a conventional drill bit. The silicon carbide powder and water slurry allow the drill bit, while experiencing only normal wear, to bore smooth, cylindrical holes in the composite material.

REFERENCES:
patent: 2272271 (1942-02-01), Mallory
patent: 2478846 (1949-08-01), Smith
patent: 3074392 (1963-01-01), Fisher
patent: 3699719 (1972-10-01), Rozdilsky
patent: 4519732 (1985-05-01), Sutcliffe

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