Electrical discharge machining by means of a wire electrode

Details Electrical discharge machining by means of a wire electrode Electrical discharge machining by means of a wire electrode

1976-07-26

1978-03-28

Reynolds, Bruce A.

Electric heating

Metal heating

Cutting or disintegrating

219 69M, B23P 108

Patent

active

040816524

ABSTRACT:
In an EDM process and apparatus, an arrangement for automatically correcting machining errors while effecting a cut in a workpiece by means of a wire electrode when the cutting path of the wire electrode relative to the workpiece is along a curve or an angle, for example, rather than along a straight line. The speed of relative displacement between the wire electrode and the workpiece electrode is automatically varied as a function of the shape of the cutting path, such that the distance between the longitudinal axis of the wire electrode and of one of the cut surfaces of the workpiece is maintained constant, irrespective of the curvature or angularity of the cutting path.

REFERENCES:
patent: 3671705 (1972-06-01), Raznitsyz
patent: 3731043 (1973-05-01), Ullmann et al.
patent: 3731045 (1973-05-01), Ullmann et al.
patent: 3943322 (1976-03-01), Lehmann et al.
patent: 4002885 (1977-01-01), Bell et al.

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