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Service life of wire drawing die

2021-1-11 16:45:09heat:Keyword:

1) Surface pretreatment: For wire with dirty surface and more impurities, it must be cleaned and dried before drawing; for wire with more oxide scale on the surface, it must be acidified and dried first Then draw; for the wire with peeling, pits, heavy leather and other phenomena on the surface, it must be polished 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 smoothness and high quality of the wire surface.


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