Wire electrode type electrical discharge machining method

Details Wire electrode type electrical discharge machining method Wire electrode type electrical discharge machining method

1985-01-15

1987-02-17

Pellinen, A. D.

Electric heating

Metal heating

Cutting or disintegrating

219 69W, 318600, 364475, B23H 706, G06F 1546

Patent

active

046441247

ABSTRACT:
A wire electrode type electrical discharge machining method in which a wire electrode is controlled by an NC device to automatically move along predetermined loci while forming an angle with respect to a workpiece which is being machined, wherein, even when a taper offset value occurring prior to an intersection of program loci is different from that after the intersection, the program can be readily executed. Wire electrode movement instruction codes and wire electrode inclination instruction codes are inputted to an NC device. The NC device then determines whether or not, with respect to the wire electrode inclination instruction codes, a wire electrode inclination before a corner is different from that after the corner. If the inclinations are different, a plurality of movement instructions are calculated and inserted between the movement instructions forming the corner. The wire electrode is then moved at the corner in accordance with the plurality of movement instructions thus calculated.

REFERENCES:
patent: 3943322 (1976-03-01), Lehmann et al.
patent: 4355223 (1982-10-01), Inoue et al.
patent: 4363948 (1982-11-01), Itoh
patent: 4465914 (1984-08-01), Obara
patent: 4467166 (1984-08-01), Gamo et al.
patent: 4559601 (1985-12-01), Kishi et al.
Konisch-Schneiden Auf Draht-Erodieranlagen, D. Schumacher, pp. 44-46, Jan. 1980 (Metallbearbeitung).

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