Cathode assembly of electron beam welding gun

Details Cathode assembly of electron beam welding gun Cathode assembly of electron beam welding gun

1977-05-10

1978-04-04

Truhe, J. V.

Electric heating

Metal heating

By arc

313337, B23K 900

Patent

active

040829375

ABSTRACT:
Disclosure is made of a cathode assembly of an electron beam welding gun, comprising a current lead, wherein there is arranged a heating cathode which is coaxial with said current lead. Next to said heating cathode and coaxially with it, in a holder's sleeve there is arranged a disc cathode. The holder's sleeve is provided with a central orifice in its bottom to receive the disc cathode. On the internal surface of said sleeve, on the side opposite to the bottom, there is provided a cone-shaped recess widening towards the disc cathode, which recess receives a split ring of a refractory material, intended to press said disc cathode against the bottom of the holder's sleeve.

REFERENCES:
patent: 3304459 (1967-02-01), Shaw
patent: 3440475 (1969-04-01), Schiller et al.

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