Submerged-arc welding apparatus

Details Submerged-arc welding apparatus Submerged-arc welding apparatus

B - Operations, Transporting

23

K

B23K 9/18 (2006.01)

Patent

CA 2144222

Apparatus for making a circular weld using the submerged-arc welding process, the apparatus comprising a generally horizontal, extendible and contractible boom having inner and outer ends, the boom being supported adjacent the inner end for rotation about a vertical axis, a mounting member mounted on the outer end of the boom for vertical movement relative thereto, a swing arm mounted on the mounting member for pivotal movement relative thereto about generally vertical axis, a support member mounted on the swing arm for pivotal movement relative thereto about a generally horizontal axis, a welding torch fixed to the support member for movement therewith, a spool supported by the boom for rotation relative thereto about a generally horizontal spool axis, and an electrode wire wound around the spool and extending between the spool and the torch.

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