Electric heating – Metal heating – Cutting or disintegrating
Patent
1980-02-15
1982-11-09
Shaw, C. C.
Electric heating
Metal heating
Cutting or disintegrating
219 69W, B23P 112
Patent
active
043586554
ABSTRACT:
An electroerosion machining method and apparatus with a continuous, traveling-wire electrode in which vibrations of frequencies not lower than 100 Hz, preferably at least 1 kHz and of an amplitude of 1 to 50 microns (.mu.m), preferably of at most 5 .mu.m are applied to the traveling wire electrode at opposite sides with respect to the machining region of an electrically conductive workpiece. The method may be used advantageously in reforming a workpiece contour previously shaped by a traveling-wire rough-EDM operation. A resonant circuit connected in series or in parallel with the machining gap and optionally coupled with an external oscillator may be used to energize electromechanical transducers forming vibrator means.
REFERENCES:
patent: 2794110 (1957-05-01), Griffith
patent: 3830996 (1974-08-01), Ullmann et al.
Inoue-Japax Research Incorporated
Ross Karl F.
Shaw C. C.
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