FIELD: mechanical engineering; welding of important structures. SUBSTANCE: spaces opposite to each other are made in vacuum chamber. Electron-beam guns and their travel mechanisms are installed in these spaces. Welding by two guns increased capacity of set and precludes crystallization cracks. EFFECT: improved quality of weld joints. 5 cl, 2 dwg
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Authors
Dates
2000-11-10—Published
2000-03-06—Filed