Electrode wire for a roller seam welding machine

Details Electrode wire for a roller seam welding machine Electrode wire for a roller seam welding machine

B - Operations, Transporting

23

K

327/89

B23K 35/02 (2006.01) B23K 11/06 (2006.01) B23K 11/08 (2006.01) B23K 11/30 (2006.01)

Patent

CA 1298883

ABSTRACT OF THE DISCLOSURE: An electrode wire which, in contrast to conven- tional electrode wire, is provided with flanges formed on it to support it on the circumference of a roller electrode at both sides of a guide groove. The electrode wire is broader than its contact area on the work being welded and has a considerably broader contact area on the work being welded than the conventional electrode wire. As a result, metal sheets, for example lead-coated metal sheets of fuel tanks, are pressed together alongside the weld nugget as a result of which gaping apart of the sheets alongside the weld nugget and lateral tearing of the weld nugget are prevented. The profile of the electrode wire projecting beyond the guide groove is very thin and cannot be deformed laterally under transverse forces even if the electrode wire becomes soft during the welding. Welds produced with the electrode wire have a considerably better fatigue strength than welds produced with the conventional electrode wire.

567549

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