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    • 4. 发明授权
    • Method and device for coating and shaping strand-shaped metallic material by drawing
    • 通过拉丝涂装和成型线状金属材料的方法和装置
    • US06430980B1
    • 2002-08-13
    • US09673442
    • 2000-11-30
    • Harri WeinholdArmin HuebnerBernhard KurzeGerd Zschorn
    • Harri WeinholdArmin HuebnerBernhard KurzeGerd Zschorn
    • B21C900
    • B21C9/00B21C3/14
    • Coating and shaping of strand-shaped metallic material by drawing using lubricants in solid to liquid state is disclosed. The disclosed method and arrangement enables high-performance shaping while decisively reducing expenditure on apparatus. At the same time, sealing problems with respect to lubricant are eliminated and several technical parameters in the shaping and coating process are improved depending on the material to be shaped. The shaping stock is coated with lubricant by a double chamber arrangement comprising a low-pressure lubricant chamber followed by a high-pressure lubricant chamber and is shaped by means of working drawing dies at the outputs of the chambers. The low-pressure chamber is filled with solid to pasty lubricant by a lubricant feed and a low pressure is applied to this lubricant externally. A high lubricant pressure is built up in the high-pressure lubricant chamber by the coated shaping stock running into this chamber, and a lubricant pressure/lubricant temperature combination is adjusted in such a way that the lubricant is in solid to liquid state. The disclosed method and arrangement is applicable in particular to wire drawing.
    • 公开了通过使用固体至液体状态的润滑剂进行拉伸来对线状金属材料的涂覆和成形。 所公开的方法和装置能够实现高性能成形,同时果断地减少设备的开销。 同时,消除了与润滑剂相关的密封问题,并且根据待成型材料改善了成形和涂布过程中的几个技术参数。 成型料通过双室装置涂覆有润滑剂,该双室装置包括低压润滑剂室,随后是高压润滑剂室,并且通过在室的输出处的加工拉伸模具成形。 低压室通过润滑剂进料填充固体糊状润滑剂,外部向该润滑剂施加低压。 在高压润滑剂室中通过流入该室的涂布成型料积累高润滑剂压力,并且润滑剂压力/润滑剂温度组合以润滑剂处于固态与液态的方式进行调节。 所公开的方法和装置特别适用于拉丝。