Method and apparatus for continuous finishing hot-rolling a steel strip
    1.
    发明授权
    Method and apparatus for continuous finishing hot-rolling a steel strip 失效
    用于连续精轧热轧钢带的方法和装置

    公开(公告)号:US5871138A

    公开(公告)日:1999-02-16

    申请号:US677966

    申请日:1996-07-10

    摘要: A method and apparatus for continuously finishing hot-rolling steel strips include partially joining a rear end of a preceding steel strip and a leading end of a succeeding steel strip after the strips have passed through a rough hot-rolling step. The joint is flattened. The joint is rolled with a first stand of a tandem rolling mill. The mill is provided with a plurality of stands that includes a pair of work rolls and backup rolls and/or intermediate rolls, so that a compression stress acts at the unjointed section of the strips in the longitudinal direction of the joint while tracking the joint. Shape-control-rolling is performed on the joint with a second and succeeding stands so that a section of the steel strip other than the joint is subjected to the shape-control-rolling at all the stands.

    摘要翻译: 用于连续精加工的热轧钢带的方法和装置包括在条带通过粗轧热步骤之后部分地接合前一钢带的后端和后续钢带的前端。 关节扁平。 接头用串联轧机的第一台轧制。 研磨机设置有多个支架,其包括一对工作辊和支承辊和/或中间辊,使得压缩应力在跟踪接头的同时在接头的纵向方向上在条带的非接合部分处作用。 在与第二和后续机架的接头上进行形状控制轧制,使得除了接头之外的钢带的一部分在所有机架上进行形状控制轧制。

    Sheet crown control method and rolling equipment line for endless rolling
    2.
    发明授权
    Sheet crown control method and rolling equipment line for endless rolling 失效
    板材控制方法和轧制设备生产线

    公开(公告)号:US5531089A

    公开(公告)日:1996-07-02

    申请号:US237050

    申请日:1994-05-03

    摘要: A sheet crown control method and apparatus for use in endless rolling in which consecutively fed sheets are joined to each other to be continuously rolled through a rolling equipment line. The rolling equipment line includes a junction device for joining consecutively fed sheets to each other, a plurality of stands arranged in tandem on the downstream side of the junction device and having a roll bender load adjusting mechanism and a roll crossing mechanism. The roll cross angle of rolls incorporated in a stand of each rolling mill is set at a predetermined value beforehand if there is a roll cross angle that will enable a target sheet crown to be applied to each sheet and the roll bender load of each stand is adjusted on-line, thereby effecting sheet crown control. Rolling also may be performed while adjusting the roll cross angle of rolls incorporated in stands of each rolling mill on-line together with the roll bender load. The roll bender load and the roll cross load may be adjusted in a transition region where a junction between sheets exists or in a stationary region where sheets of the same material follow one after another.

    摘要翻译: 一种用于环形轧制的片材冠控制方法和装置,其中连续供给的片材彼此接合以通过轧制设备线连续轧制。 轧制设备线包括用于将连续供给的板彼此接合的接合装置,在接合装置的下游侧串联布置的多个机座,并具有辊弯机负载调整机构和轧辊交叉机构。 如果存在能够将目标片材冠部施加到每个片材上的辊交叉角度,并且每个机架的轧辊弯曲装载负载为每个轧机的辊弯曲载荷,则预先将每个轧机的支架中包含的辊的辊横角设定为预定值 在线调整,从而进行表冠控制。 也可以在轧制机上轧辊交叉角度的同时进行轧制,同时辊轧机负载与轧制机在线连接。 可以在存在片材之间的接合处的过渡区域中或在相同材料的片材一个接一个地停留的固定区域中调节轧辊弯曲机负载和轧辊交叉负载。

    Method and apparatus for controlling rolling process in hot strip finish
rolling mill
    3.
    发明授权
    Method and apparatus for controlling rolling process in hot strip finish rolling mill 失效
    热轧精轧机轧制过程控制方法及装置

    公开(公告)号:US5493885A

    公开(公告)日:1996-02-27

    申请号:US208478

    申请日:1994-03-10

    IPC分类号: B21B37/16 B21B37/28 B21B37/00

    CPC分类号: B21B37/16 B21B37/28

    摘要: The sheet profile of a strip on the outlet side of a final stand coincides with a desired value without deforming the shape of the strip, by using a hot strip finish rolling mill having a number of rolling stands disposed sequentially. The rolling mill employs feedback control of upstream stands to reduce the error between a sheet profile measured by a sheet profile meter disposed at the outlet side of a selected stand and a desired sheet profile. The selected stand is the stand where the sheet thickness of the strip is at the percentage sheet crown critical sheet thickness. The sheet profile measured by the sheet profile meter is used to control the downstream stands using feed-forward control to make the sheet profile on the outlet side of the final stand coincide with the desired sheet profile.

    摘要翻译: 通过使用具有多个顺序设置的轧制机架的热轧精轧机,在最终机架的出口侧的钢带的板材轮廓与期望值一致,而不使钢带的形状变形。 轧机使用上游支架的反馈控制,以减少由设置在所选支架的出口侧的纸张型材计量器测量的纸张轮廓与期望的纸张轮廓之间的误差。 所选择的支架是钢带的板厚处于百分数表冠临界板厚度的台架。 由片材型材计量器测量的片材轮廓用于使用前馈控制来控制下游支架,以使最终支架的出口侧上的片材轮廓与所需的片材轮廓一致。

    Strip crown measuring method and control method for continuous rolling
machines
    4.
    发明授权
    Strip crown measuring method and control method for continuous rolling machines 失效
    连续轧机的带冠测量方法和控制方法

    公开(公告)号:US5860304A

    公开(公告)日:1999-01-19

    申请号:US772573

    申请日:1996-12-26

    IPC分类号: B21B37/28 B21B38/02

    CPC分类号: B21B37/28 B21B38/02

    摘要: In the continuous rolling mills, the strip crown and the strip flatness of a strip can be controlled to any desired value. In the strip crown measuring method, the strip crown of the first stage rolling mill can be obtained by adding the set target strip crown value and a value obtained by multiplying the deviation in mechanical strip crown between the predicted value and the actually measured value by a imprinting ratio. Further, the strip crowns of the second and after rolling mills can be obtained by adding the set target strip crown, a value obtained by multiplying the deviation in mechanical strip crown between the predicted value and the actually measured value by a imprinting ratio, and a value obtained by multiplying the deviation in entry strip crown between the target value and the calculated measurement value by an inheritance coefficient, for each rolling mill. Further, in the control method of the continuous rolling mills, the rolling mill is controlled in correspondence to the deviation in strip crown between the value actually measured by the profile gauge and the previously calculated value, in such a way that the manipulated variables of the actuators of the rolling mills arranged on the upstream side of the rolling mill having the profile gauge are equal to each other or determined to a predetermined proportion by use of imprinting ratios and inheritance coefficients.

    摘要翻译: 在连续轧机中,条带的长度和条带的平整度可以被控制到任何期望的值。 在带状胎冠测量方法中,可以通过将设定的目标带材冠数值和通过将机械带材厚度的偏差乘以预测值和实际测量值之间的值来获得第一级轧机的带材胎冠 印记比例。 此外,可以通过将设定的目标钢带凸度与通过将预测值与实际测量值之间的偏差乘以压印比而获得的值来获得第二轧辊和后轧钢机的带材冠,以及 对于每个轧机,将目标值和计算出的测量值之间的偏差乘以继承系数获得的值。 此外,在连续轧机的控制方法中,轧制机对应于由型材厚度实际测量的值与先前计算值之间的带材厚度的偏差来控制,使得操作变量 布置在具有型材的轧机的上游侧的轧机的致动器彼此相等或通过使用压印比和继承系数确定为预定比例。