FIELD: metallurgy.
SUBSTANCE: prior to drawing a wire heating method involving dosed heating with infrared emission flow before a drawing block differs by the fact that dosed heating is performed by selecting semiconductor emitting diodes located around the drawing block and having directed emission characteristic, the maximum of which is oriented to wire axis; with that, dosed heating is performed by changing feed current of emitting diodes.
EFFECT: improving wire quality owing to reducing probability of occurrence of defects and breaks.
3 dwg
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