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PVC film introduces hot rolling technology to everyone
by：LINYANG
2020-09-02
Hot rolling of PVC film is relative to cold rolling. Cold rolling is rolling below the recrystallization temperature, and hot rolling is rolling above the recrystallization temperature. To put it simply, a billet is heated and then rolled several times, then trimmed to form a steel plate. This is called hot rolling. Can significantly reduce energy consumption and reduce costs. The metal has high plasticity and low deformation resistance during hot rolling, which greatly reduces the energy consumption of metal deformation. Hot rolling can improve the processing performance of metals and alloys, that is, the coarse grains in the as-cast state are broken, the cracks are healed significantly, the casting defects are reduced or eliminated, the as-cast structure is transformed into the deformed structure, and the processing performance of the alloy is improved.
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