Arc plasma generator and a plasma arc apparatus for treating the surfaces of work-pieces, incorporating the same arc plasma generator

An arc plasma generator comprises a consumable cathode, a cylindrical anode, and a focusing solenoid arranged coaxially with the consumable cathode. A power unit for maintaining the arc is electrically connected to the consumable cathode and the anode. In accordance with the invention the arc plasma...

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Bibliographische Detailangaben
Hauptverfasser:	AXENOV, IVAN I, KHOROSHIKH, VLADIMIR M, PADALKA, VALENTIN G, BELOUS, VITALY A
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PLASMA TECHNIQUE PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OFNEUTRONS PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMICBEAMS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	An arc plasma generator comprises a consumable cathode, a cylindrical anode, and a focusing solenoid arranged coaxially with the consumable cathode. A power unit for maintaining the arc is electrically connected to the consumable cathode and the anode. In accordance with the invention the arc plasma generator further comprises a tubular plasma guide connected to an end face of the anode and an electromagnet. The electromagnet is arranged in the tubular plasma guide on the axis thereof and is enclosed in a housing made of a nonmagnetic material and having a cross-sectional area sufficient to conceal the cathode from the viewer's sight, looking in the direction of the cathode through the plasma guide. Also, the focusing solenoid is arranged on the tubular plasma guide and is connected in opposition with the coil of the electromagnet. A plasma arc apparatus for treating the surfaces of work-pieces comprises an arc plasma generator of the invention and an assembly for holding the work-piece to be treated. The assembly is a cover having a centrally-disposed opening. The cover is fixed on the end face of the plasma guide. The apparatus is also provided with a disk coil attached to the cover and connected in an aiding manner with the focusing solenoid.