FIELD: mechanical engineering; welding.
SUBSTANCE: invention can be used in welding of metal structures in different spatial positions. Welding bath is formed at flat volt-ampere curve of supply source and rising volt-ampere curve of arc. Crystallization of metal in bath is carried out at drooping volt-ampere curve of supply source and flat volt-ampere curve of arc.
EFFECT: provision of synchronization of welding wire feeding with change of external volt-ampere characteristics of supply source.
1 dwg
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