| Issue |
MATEC Web Conf.
Volume 298, 2019
International Conference on Modern Trends in Manufacturing Technologies and Equipment: Mechanical Engineering and Materials Science (ICMTMTE 2019)
|
|
|---|---|---|
| Article Number | 00072 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/matecconf/201929800072 | |
| Published online | 18 November 2019 | |
Research on technological capabilities of double-electrode welding of long fillet welds
1
Federal State Autonomous Educational Institution of Higher Education “Ural Federal University named after the first President of Russia B.N. Yeltsin “, Ekaterinburg, Russia, 620002
2
SHTORM Co.Ltd, Ekaterinburg, Russia, 620100
* Corresponding author: amf2@mail.ru
The article presents the results of a research of the technological capabilities of double-electrode submerged arc welding of elongated fillet welds with a leg of 8 mm or more in one pass while ensuring high-quality and stable formation of weld. As the result of the research we reviewed the features of the fillet weld formation during welding of metal strips with a thickness of 14 mm with different locations of the welding wires in the torch relative to the axis of the welded joint. Consequently we determined the best option in terms of the quality of the weld formation and increase in welding productivity as compared with the two-pass single-arc welding. The conditions and parameters of the single-pass double-electrode (“split electrode welding”) submerged arc welding are established, providing a welding speed of up to 35 m / h.
© The Authors, published by EDP Sciences, 2019
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