Method of electroslag welding by plate-type electrodes and...

Details Method of electroslag welding by plate-type electrodes and... Method of electroslag welding by plate-type electrodes and...

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B23K 9/18 (2006.01) B23K 25/00 (2006.01) B23K 35/02 (2006.01) B23K 35/36 (2006.01)

Patent

CA 1143800

ABSTRACT OF THE DISCLOSURE The invention relates to welding, and more particular- ly to electroslag welding by plate-type electrodes under the harmful influence of external magnetic fields of high magnetic induction. Parts to be welded are brought together to provide a gap between their edges. The relationship between the sur- face area "B" of the gap, in the area "A" of the horizontal cross section of the welding electrode, and the area "C" of the projection of welding pools surface, is expressed by the ratio: A:B:C = 1 : (1.2 to 1.5) : (2.5 to 4.5). For the given ratios of the areas, the open part of the welding pool surface has such dimensions that the magnetic field of the plate-type electrode neutralizes the action of the strong ex- ternal magnetic fields and prevents molten metal from splashing.

331736

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