FIELD: metallurgical industry branch, possibly magnetic-pulse crimping of elongated tubular blanks or tubular blanks with thickened end portions.
SUBSTANCE: inductor is in the form of pack of flat plates coated with insulation. Said plates are arranged in pairs in mutually parallel planes, they are turned one relative to other by angle 90° and they have zone free from insulation on both sides of plate and symmetrical relative to cutout formed on one side of plate. Cutout of each plate corresponds to diameter of worked tubular blank; said plates are electrically connected in series to three-dimensional helix.
EFFECT: lowered energy consumption, enlarged manufacturing possibilities.
3 dwg
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