FIELD: process engineering.
SUBSTANCE: invention may be used in producing transformers with long active-cooling surfaces. Proposed device comprises two support plates 8 with guides 9 to drive welding torches 14, clamping welding jaws 10 and 20 and welding torch travel limiters 21. Jaws 10 are stationary while jaws 20 are provided with turn drive. Said travel limiters are made up of driven extending thrusts. Said welding devices are brought to corrugated wall edges 3 from two sides. Said edges 3 thrust against stationary jaws 10. Travel limiters 21 are turned into operating position while torches 14 are shifted unless limiters 21 come in contact with said edges 3. Edges are clamped by turning driven jaws 20 to turn limiters off. Welding current are jar drive are switched on to start welding. After welding clamping welding jaws are moved into initial position.
EFFECT: higher welding efficiency and quality.
2 cl, 3 dwg
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