Narrow weld-groove welding process

Details Narrow weld-groove welding process Narrow weld-groove welding process

1977-03-11

1980-02-12

Goldberg, E. A.

Electric heating

Metal heating

By arc

219137R, B23K 900

Patent

active

041885260

ABSTRACT:
A narrow weld-groove welding process, in which a bare welding wire is fed into a weld groove defined between the opposed surfaces of two pieces of metals for producing a metal arc therein for welding. In this process, a welding wire is subjected to a plastic deformation of a wave form, before being fed into a nozzle hole provided in a contact tip, and then the wire is fed into a nozzle hole, while maintaining elasticity tending to cause waving, whereby the tip of a welding wire being fed through a nozzle exit is automatically weaved between the opposed surfaces of metals to be joined, with the tip of wire being alternately faced in the opposite directions, in response to the weaving motion thereof, with the feeding of the welding wire and progress of welding. In addition, the apparatus for use in a narrow weld-groove welding process is also disclosed.

REFERENCES:
patent: 2824213 (1958-02-01), Shearer
patent: 3576966 (1971-05-01), Sullivan

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