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    • 8. 发明授权
    • Path scheduling method and system for rolling mills
    • 轧机路径调度方法及系统
    • US06240756B1
    • 2001-06-05
    • US09455377
    • 1999-12-06
    • Masashi Tsugeno
    • Masashi Tsugeno
    • B21B3716
    • B21B37/16B21B2001/383B21B2037/002B21B2265/12B21B2265/22B21B2275/04
    • A tandem rolling mill (FM) has mill stands (Fi; i=1 to 7) to be controlled in conformity with given rolling conditions (j) to execute a given path schedule for a coil (1) to be rolled by rolls (WR) of the mill stands (Fi) to scheduled thicknesses (hi) at exit sides of the mill stands (Fi), with scheduled peripheral speeds (Vi) of the rolls (WR). The mill stands (Fi) are checked for non-conformity with any rolling condition (j), correction amounts (&Dgr;&ggr;i) are calculated of normalized values (&ggr;i*) of rolling forces (Pi*) of non-conforming mill stands (Fi*), as necessary to meet any rolling condition (j*), the normalized values (&ggr;i*) are corrected by a maximal one of the correction amounts (&Dgr;&ggr;i) to provide corrected values as targets (&ggr;ti*) to be achieved at the non-conforming stands (Fi*), and the given path schedule is re-scheduled to achieve the targets (&ggr;ti*) by determining re-scheduled thicknesses (hi) of the coil (1) and re-scheduled peripheral speeds (Vi) of the rolls (WR), both independently defining a mass flow of the coil (1) to be constant at the respective mill stands (Fi).
    • 串联轧机(FM)具有根据给定轧制条件(j)进行控制的轧机机架(Fi; i = 1至7),以执行用于通过辊轧制的线圈(1)的给定路径调度 )的轧机机架(Fi)到轧机机架(Fi)的出口侧的预定厚度(hi),并具有轧辊(WR)的预定圆周速度(Vi)。 检查轧机架(Fi)是否符合任何轧制条件(j),校正量(DELTAgammai)计算不合格轧机机架的轧制力(Pi *)的归一化值(gammai *)(Fi * ),根据需要满足任何滚动条件(j *),通过修正量(DELTAgammai)中的最大值修正归一化值(gammai *),以将校正值作为目标(gammati *)来实现, (Fi *),并且通过确定线圈(1)的重新调度厚度(hi)和重新调度的周边速度(Vi)来重新调度给定的路径调度以实现目标(gammati *) 辊(WR)既独立地限定线圈(1)的质量流量在相应的轧机机架(Fi)处保持恒定。
    • 10. 发明授权
    • Rolling control method and apparatus
    • 滚动控制方法和装置
    • US5241847A
    • 1993-09-07
    • US777301
    • 1991-12-03
    • Masashi TsugenoMakoto Miyashita
    • Masashi TsugenoMakoto Miyashita
    • B21B37/00B21B37/28B21B37/30
    • B21B37/30B21B2265/12
    • In order to reflect a difference between an actual value and a target value of a strip profile of a product at a tandem mill, the load pattern for the next rolled material is changed in accordance with the difference of a target value and an actual value of the crown ratio of the previously rolled material. In this case, there are calculated the coefficients of the crown ratio/load, and load/load ratio. The crown ratio difference is sequentially given to the previous stand in accordance with the load ratio to determine the change amount of the load ratio at each stand. The load pattern for the next rolled material is given while considering the change amount, to calculate the delivery thickness at each stand carrying out the rolling operation.
    • PCT No.PCT / JP91 / 00447 Sec。 371日期1991年12月3日 102(e)日期1991年12月3日PCT 1991年4月3日PCT PCT。 WO91 / 15312PC公开号 日期为1991年10月17日。为了反映串列式轧机的产品的带材型材的实际值和目标值之间的差异,下一轧制材料的负荷模式根据a 目标值和先前轧制材料的冠比的实际值。 在这种情况下,计算出冠/比/负荷和负载/负载比的系数。 根据负载比,根据负载比依次给出前一台的冠比差,以确定每个支架处的负载比的变化量。 在考虑变化量的同时给出下一轧制材料的负荷模式,以计算在执行轧制操作的每个支架处的输送厚度。