FIELD: manufacture of wire helices by winding.
SUBSTANCE: apparatus includes cantilever type mandrel; pressure roller engaging with said mandrel; tension mechanism. On working portion of cantilever type mandrel there is concave surface with radius R. Said surface smoothly passes to cylindrical surface at satisfying next condition: R = 1.5 x d of wound wire or more.
EFFECT: enlarged functional possibilities, increased useful life period, simple design of apparatus.
2 dwg
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