Apparatus for welding a tube to a tube sheet

Details Apparatus for welding a tube to a tube sheet Apparatus for welding a tube to a tube sheet

B - Operations, Transporting

23

K

327/37

B23K 9/00 (2006.01) B23K 9/028 (2006.01)

Patent

CA 1049623

ABSTRACT OF THE DISCLOSURE The specification describes an apparatus for welding a tube to a tube sheet in which the angular relation- ship of a weld torch supported in a rotor may be adjusted with respect to the rotor axis by changing or rotating a bushing in which the weld torch is supported in the rotor. The distance of the weld electrode from the axis of rotation of the rotor may also be separately adjusted. The apparatus comprises a rotor, a device for supporting and rotating the rotor about a rotor axis, a device for positioning the rotor axis with respect to the tube being welded, a weld torch having a projecting non-consumable weld electrode, a device supporting the weld torch in the rotor for rotation with respect thereto with the weld electrode positioned spaced from the rotor axis, a weld filler wire feed mechanism mounted on the rotor, a feed mechanism drive motor mounted on the rotor and a brush and commutator mounted on the rotor and rotor supporting means for conducting electricity to the drive motor on the rotor.

231664

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