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    • 2. 发明授权
    • Guiding apparatus for roughing mill
    • 粗轧机导向装置
    • US5634360A
    • 1997-06-03
    • US708898
    • 1996-09-05
    • Nobuhiro TazoeHiroaki KuwanoKatsumi OkadaMakoto ShitomiHideyuki NikaidoTakeshi FujitsuKatsumi KawakamiTetsuo ShimaShinji Tanaka
    • Nobuhiro TazoeHiroaki KuwanoKatsumi OkadaMakoto ShitomiHideyuki NikaidoTakeshi FujitsuKatsumi KawakamiTetsuo ShimaShinji Tanaka
    • B21B39/14B21B37/00
    • B21B39/14
    • A guiding method and apparatus are presented for preventing the generation of lateral curving in a rolled slab produced in a roughing mill train, consisting of an edging mill and a horizontal mill in tandem, for example. The apparatus basically includes a first side guide placed upstream at the entrance to the edging mill, a second side guide placed downstream at the exit of the horizontal mill and a third side guide placed between the edging mill and the horizontal mill. The first side guide at the entrance to the edging mill synchronously closes the separation distance of the guide components upon the entry of the rolled slab into the first side guide, leaving a narrow space between the guide and the rolled slab. The third side guide closes the separation spacing based on slab exit timing representing the instant the tail end of the rolled slab passes through the edging mill. The second side guide assumes a narrow separation distance when the head end of the rolled slab enters therebetween. The restraining force provided by the narrow separation distance prevents lateral shifting to occur during the rolling process thereby reducing snaking of the rolled slab.
    • 提出了一种引导方法和装置,用于防止在例如由研磨机和水平磨机组成的粗轧机列车中产生的轧制板坯中产生横向弯曲。 设备基本上包括位于铣边入口处的上游的第一侧引导件,位于水平铣刀的出口下游的第二侧引导件和位于磨边机与水平铣刀之间的第三侧引导件。 铣刀入口处的第一侧引导件同步地关闭在轧制板坯进入第一侧导向件时引导部件的分离距离,在引导件和轧制板坯之间留下狭窄的空间。 第三侧引导件基于表示轧制板坯的尾端通过磨边磨机的瞬间的板坯出口定时器来关闭分离间隔。 当轧制板坯的头端进入其间时,第二侧导轨呈现窄的间隔距离。 通过窄间隔距离提供的约束力防止在轧制过程中发生侧向偏移,从而减少轧制板坯的蛇形。
    • 8. 发明授权
    • Method of continuously hot rolling steel pieces
    • 连续热轧钢板的方法
    • US5957368A
    • 1999-09-28
    • US793845
    • 1997-03-10
    • Katsuhiro TakebayashiYoshikiyo TamaiToshio ImaeKunio IsobeHideyuki NikaidoKoichi Uemura
    • Katsuhiro TakebayashiYoshikiyo TamaiToshio ImaeKunio IsobeHideyuki NikaidoKoichi Uemura
    • B21B15/00B23D15/00B23D25/12B23K28/02
    • B23D15/005B21B15/0007B21B15/0085B23D25/12
    • A continuous hot rolling method is available for continuously hot finish rolling steel pieces. The trailing end of a preceding steel piece and the leading end of a succeeding steel piece are cut by a drum shear which sandwiches the steel piece between its upper drum and lower drum, having cutting blades on the peripheries of the drums. The cut ends are heated to raise the temperatures thereof by high-frequency induction heating, pressed against each other to butt-join the cut ends. The joined steel pieces are then supplied to a rolling equipment. The trailing end of the preceding steel piece and the leading end of the succeeding steel piece are cut individually by two pairs of the cutting blades. One pair of the cutting blades has the obverses of the blades oriented in opposite directions in the obverse side and the reverse side of the steel piece. The other pair of cutting blades has the obverses of the blades oriented in the opposite directions relative to the former pair of cutting blades, while each steel piece is transferred to the same direction. The method according to the invention significantly reduces the displacement produced when the steel pieces are joined by applying transverse-type high-frequency induction, thereby realizing stable continuous hot rolling with no breakage of the rolled plate.
    • PCT No.PCT / JP96 / 00034 Sec。 371日期1997年3月10日 102(e)1997年3月10日PCT PCT 1996年1月12日PCT公布。 公开号WO97 / 02907 日期1997年1月30日连续热轧方法可用于连续热精轧钢片。 先前的钢片的后端和后面的钢件的前端由鼓剪切割,该滚筒剪切将钢片夹在其上滚筒和下滚筒之间,在滚筒的周边具有切割刀片。 加热切割端,通过高频感应加热使其温度升高,彼此挤压以对接切割端。 然后将连接的钢件供应到轧制设备。 前两个钢片的后端和后续钢件的前端由两对切割刀片单独切割。 一对切割刀片具有在钢板的正面和反面上沿相反方向定向的刀片的相反侧。 另一对切割刀片具有相对于前一对切割刀片在相反方向上定向的刀片的相反方向,而每个钢片被转移到相同的方向。 根据本发明的方法通过施加横向高频感应来显着降低钢片接合时产生的位移,从而实现稳定的连续热轧而不破坏轧制板。