B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/55
B23K 9/00 (2006.01) B23K 11/04 (2006.01)
Patent
CA 1142236
METHOD OF FLASH BUTT WELDING Abstract of the Disclosure Work pieces to be joined together by the flask butt weld- ing method are brought together, fused at a preset no-load voltage, and upset. The invention consists in that the amount of the upsetting is set within from 1.2 to 3.0 of the amount of the maximum gap between the work pieces being welded together, which gap forms in the course of fusing the end faces of the work pieces, the maximum gap being determined from the follow- ing relation: .DELTA.max = f(Uo, .delta. ), where: .DELTA.max = maximum gap: Uo = no-load voltage; .delta. = thickness of the work pieces being welded together. The method of the invention may be employed to advantage in constructing pipeline, welding together out-of-measure semifinshed sections in metal rolling, and fabricating various metal structures from rolled section. Empirical formulas to determine the maximum gap for work pieces of various thicknesses are presented.
342317
Kazymov Boris I.
Kuchuk-Yatsenko Sergei I.
Sakharnov Vasily A.
Solodovnikov Sergei A.
Zagadarchuk Vasily F.
Institut Elektrosvarki Imeni E.o. Patona Akademii Nauk Ukrainsko
Swabey Ogilvy Renault
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