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拉拔是利用金属坯料通过拉拔模的模孔产生塑性变形而获得产品的加工方法。拉拔主要用于生产各种细线材、薄壁管及各种特殊几何形状的型材。
Drawing is the use of metal billet die through the die hole to produce plastic deformation of the product processing methods. Drawing is mainly used for the production of a variety of thin wire, thin-walled tubes and a variety of special geometric shapes profiles.