Electric heating – Metal heating – Cutting or disintegrating
Patent
1982-12-14
1985-12-17
Leung, Philip H.
Electric heating
Metal heating
Cutting or disintegrating
219 69C, 219 69W, B23P 108
Patent
active
045594341
ABSTRACT:
A method of electric discharge machining using a wire electrode for cutting a workpiece into a commanded shape by producing an electric discharge between the workpiece and the wire electrode and moving the wire electrode relative to the workpiece along a commanded path. The method includes steps of previously storing, in a computer memory, sets of machining conditions which differ depending upon workpiece material and thickness, reading, at the time the workpiece is to be machined, a predetermined set of the machining conditions from the memory in response to a machining condition selection instruction in a machining program and performing electric discharge machining in accordance with the set of machining conditions read from the memory.
REFERENCES:
patent: 4078163 (1978-03-01), Bell, Jr. et al.
patent: 4335436 (1982-06-01), Inoue
patent: 4383160 (1983-05-01), Obara
patent: 4392041 (1983-07-01), Yatomi et al.
Patent Abstracts of Japan, vol. 4, No. 164, Nov. 14, 1980, p. 16M41 & JP-A-55-112727.
Patent Abstracts of Japan, vol. 2, No. 138, Nov. 16, 1978, p. 4549M78 & JP-A-53-106994.
VDI-Zeitschrift, vol. 120, No. 15/16, Aug. 1978, VDI-Verlag.
Fanuc Ltd
Leung Philip H.
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