Tube rolling
    11.
    发明授权
    Tube rolling 失效
    管轧

    公开(公告)号:US4020667A

    公开(公告)日:1977-05-03

    申请号:US624880

    申请日:1975-10-23

    IPC分类号: B21B17/14 B21B17/00

    CPC分类号: B21B17/14

    摘要: A multistand rolling mill for stretch reducing tubes is provided in which the first stands of a plurality of successive stands are operated to build up tension and at least one of said stands is provided with means for varying the roll speed to provide a desired speed step in those stands designed to build up tension.

    摘要翻译: 提供一种用于拉伸减小管的多段轧机,其中操作多个连续机架的第一机架以建立张力,并且至少一个所述机架设置有用于改变轧辊速度以提供所需速度步骤的装置 那些立场旨在建立紧张局势。