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High finish of wire drawing die wire surface

2020-9-9 22:05:07heat:Keyword:High finish wire drawing die wire surface
High finish,wire drawing die,wire surface

(1) Surface pretreatment: For the wire with dirty surface and more impurities, it must be cleaned and dried before drawing; for the wire with more oxide scale on the surface, it must be acidified and dried first. Drawing after drying; for wire with peeling, pits, heavy skin and other phenomena on the surface, it must be ground by a grinder before drawing;

   (2) Heat treatment: For wires with excessive hardness or uneven hardness, annealing or tempering should be used to reduce the hardness first, and the wires should maintain good hardness uniformity before drawing.

For the treated wire, it is helpful to better ensure the service life of the wire drawing die and the high finish and high quality of the wire surface.


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