Electric heating – Metal heating – Cutting or disintegrating
Patent
1984-03-09
1986-03-11
Albritton, C. L.
Electric heating
Metal heating
Cutting or disintegrating
2041296, 204206, 219 69W, B23H 736, B23H 702
Patent
active
045756031
ABSTRACT:
A traveling-wire electroerosion apparatus using a first nozzle disposed at one side of a workpiece so as to coaxially surround the electrode wire moving into the workpiece for directing under a relatively low pressure a cutting liquid medium into a cutting zone in the workpiece and a second nozzle disposed at the other side of the workpiece so as to coaxially surround the electrode wire moving from the workpiece for directing under a relatively high pressure the cutting liquid medium into the cutting zone. A liquid flow guidance member, generally in the form of an annular disk or discus, is disposed at that one side of the workpiece and adjacent thereto so as to overlie at least a region of the cutting slot generated behind the advancing electrode wire, which region is adjacent the nozzle opening of the first nozzle. The flow guidance member has a liquid escape passage formed therein adjacent the said nozzle opening and a flow deflecting surface overlying the said region for impeding direct flow of the flushing liquid medium from the cutting slot and creating a high-velocity stream of the high-pressure cutting liquid medium from the second nozzle flowing through and out of that liquid escape passage.
REFERENCES:
patent: 4263493 (1981-04-01), Kilcher
patent: 4414456 (1983-11-01), Inoue
patent: 4459454 (1984-07-01), Inoue
patent: 4473733 (1984-09-01), Inoue
patent: 4481095 (1984-11-01), Inoue
patent: 4484052 (1984-11-01), Inoue
patent: 4507532 (1985-03-01), Inoue
Hayakawa Jun
Inoue Kiyoshi
Onoue Makoto
Sano Sadao
Albritton C. L.
Dubno Herbert
Evans Geoffrey S.
Inoue-Japax Research Incorporated
Ross Karl F.
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