Electric heating – Metal heating – By arc
Patent
1987-04-29
1988-10-18
Albritton, C. L.
Electric heating
Metal heating
By arc
21912112, 31511181, 315141, B23K 1500
Patent
active
047789751
ABSTRACT:
A circuit for the electrical supply of a plurality of electron beam evaporators has application in heat and thermochemical treatment processes such as welding, fusing, zonal cleaning of materials, dimensional treatment, application of coatings, etc. A multi-phase step-up transformer is connected to the output of a voltage regulation unit. One of the outputs of each phase of the secondary winding of the transformer, as well as the processed material and the anodes of the electronic beam evaporators are grounded. The deflection and focusing lenses of the evaporators are connected to the outputs of an electron beam control unit and the other outputs of each phase of the secondary winding of the transformer are directly coupled to the cathode of the respective evaporator and, across a voltage and current transformation unit, to the inputs of the electron beam control unit. The advantages of the circuit of the invention include: reduced number of high voltage components, improved reliability and efficiency of the equipment and facilities for complex technological operations.
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Bonev Vencislav
Etarski Vladimir S.
Penchev Vasil B.
Albritton C. L.
V T U "A. Kanchev
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