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    • 2. 发明授权
    • Method of and apparatus for controlling operation of a cross helical
rolling mill
    • 用于控制交叉螺旋轧机的操作的方法和装置
    • US4760724A
    • 1988-08-02
    • US836977
    • 1986-03-06
    • Shuji OkazakiMikio KodakaMasahiro KagawaShiro HatakeyamaTeruo KobayashiKingo SawadaShohei Kanari
    • Shuji OkazakiMikio KodakaMasahiro KagawaShiro HatakeyamaTeruo KobayashiKingo SawadaShohei Kanari
    • B21B19/04B21B37/78
    • B21B37/78B21B19/04
    • A method of controlling the operation of a cross helical rolling mill. The cross helical rolling mill has a pair of work rolls arranged at respective predetermined lead angles, and a pair of power-driven drive roller shoes arranged obliquely at predetermined lead angles on both sides of the rolling region formed between both work rolls. The method comprises controlling the rotation speed of each of the drive roller shoes in synchronism with the speed of rotation of the rolled material such that the difference in the peripheral speed between each of the drive roller shoe and the rolled material falls within a predetermined range, and, simultaneously with the control of the speed, controlling the driving torque applied to each of the drive roller shoes. According to the method, the drive roller shoes impart driving torques to the rolled material, while maintaining the slip between the shoes and the rolled material within a predetermined allowable range, so that the material under the rolling can be held safely and stably, whereby the quality of the rolled product is improved and the lift of the shoes is prolonged. Disclosed also is an apparatus for carrying out this method.
    • 一种控制交叉螺旋轧机操作的方法。 交叉螺旋轧制机具有以各自的预定的引导角度布置的一对工作辊,以及在两个工作辊之间形成的滚动区域的两侧上以预定的引导角倾斜布置的一对动力驱动的滚子滚子。 该方法包括:与轧制材料的旋转速度同步地控制每个驱动滚轮的旋转速度,使得每个驱动滚轮和轧制材料之间的圆周速度差落在预定范围内, 并且同时控制速度,控制施加到每个驱动滚轮的驱动转矩。 根据该方法,驱动辊子将轧制材料的驱动转矩赋予轧制材料,同时将鞋和轧制材料之间的滑动保持在预定的允许范围内,使得能够安全稳定地保持轧制下的材料, 轧制产品的质量得到改善,并且鞋子的升力延长。 还公开了一种用于执行该方法的装置。