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    • 31. 发明授权
    • Cross rolling mill, cross rolling method and cross rolling mill system
    • 横轧机,横轧法和横轧机系统
    • US5365764A
    • 1994-11-22
    • US996093
    • 1992-12-23
    • Toshiyuki KajiwaraTsuneo OchiaiHidetoshi Nishi
    • Toshiyuki KajiwaraTsuneo OchiaiHidetoshi Nishi
    • B21B1/22B21B3/00B21B13/02B21B13/14B21B31/02B21B31/20B21B1/34
    • B21B31/02B21B13/023B21B13/02B21B2003/001B21B2013/021
    • In a rolling mill comprising upper and lower work rolls crossed each other to perform strip crown control, a straight line connecting the center of an operation side screwdown screw and the center of a drive side screwdown screw is inclined relative to a line perpendicular to the rolling direction. A cross angle .theta. to be controlled is changed in opposite plus and minus directions about the straight line connecting both the screwdown centers. A large extent of strip crown control can be achieved with a smaller cross deviation than usual in the prior art, thereby permitting omission of an equalizer beam. Further, change in the extent by which strip crown is varied upon control with respect to the cross angle becomes substantially linear and hence control is more easily conducted. Since the cross angle 2.theta. between the two work rolls is larger than 2.degree., the transition temperature is not changed and uniformity in quality can be ensured.
    • 在包括相互交叉的上下工作辊的轧机中进行钢带冠控制,连接操作侧拧紧螺钉的中心和驱动侧拧紧螺钉的中心的直线相对于垂直于轧制的线倾斜 方向。 要控制的十字角θ围绕连接两个拧紧中心的直线以相反的正负方向改变。 可以在现有技术中以比通常更小的交叉偏差实现大范围的带状凸肩控制,从而允许省略均衡器梁。 此外,在相对于十字角度的控制下,条形凸起变化的程度的变化基本上是线性的,因此更容易进行控制。 由于两个工作辊之间的交叉角2θ大于2°,所以转变温度不变,可以确保质量的均匀性。
    • 33. 发明授权
    • Method for RD rolling sheet metal
    • RD轧制金属板的方法
    • US4537057A
    • 1985-08-27
    • US473197
    • 1983-03-08
    • Toshiyuki KajiwaraTatsuji Kojima
    • Toshiyuki KajiwaraTatsuji Kojima
    • B21B1/22B21B13/14B21B31/18B21B37/00B21B37/28B21B37/42B21B29/00B21B31/20
    • B21B31/18B21B13/14B21B37/42B21B2275/05B21B37/007
    • A rolling mill comprises a pair of an upper and a lower work roll having a small diameter which is as large as about 0.15 to 0.30 times the width of a metal sheet article to be rolled, a pair of an upper and a lower back-up roll, a pair of an upper and a lower intermediate roll disposed intermediate between the work roll pair and the back-up roll pair, work roll bending units and intermediate roll bending units imparting bending forces to the roll ends of the upper and lower work rolls and/or the roll ends of the upper and lower intermediate rolls respectively, roll shifting units capable of shifting the upper and lower intermediate rolls in axial directions opposite to each other, and drive units coupled to the associated ends of the upper and lower intermediate rolls to rotate the upper and lower work rolls at different peripheral speeds through the intermediate rolls. The directions of roll bending by the work roll bending units and/or the intermediate roll bending units and the relative movement of the body ends of the intermediate rolls relative to the widthwise ends of the sheet article caused by the roll shifting units are controlled thereby forming slight edge waves in the widthwise edge regions of the sheet article, so that, even when a high tension is applied to the sheet article during rolling with a high reduction ratio, occurrence of cracks in the widthwise ends of the sheet article is minimized to prevent breakage of the sheet article.
    • 一种轧机包括一对上下工作辊,其直径小于被轧制的金属板制品的宽度的大约0.15至0.30倍,一对上部和下部备用 辊,一对位于工作辊对和支撑辊对之间的上下中间辊,工作辊弯曲单元和中间辊弯曲单元,其向上下工作辊的辊端施加弯曲力 和/或上中间辊和下中间辊的辊端部分,能够相对于彼此相反的轴向方向移动上下中间辊的辊移单元,以及联接到上下中间辊的相关联的端部的驱动单元 以不同的圆周速度通过中间辊旋转上下工作辊。 通过工作辊弯曲单元和/或中间辊弯曲单元的辊弯曲方向以及中间辊相对于由辊移位单元引起的片材的宽度方向端部的相对运动被控制,从而形成 因此,即使在以高的压下率进行轧制时对片材施加高张力的情况下,即使片材的宽度方向的端部产生裂纹,也能够防止片材制品的横向边缘区域发生轻微的边缘波 碎片制品破损。
    • 36. 发明授权
    • Rolling mill
    • 轧机
    • US3943742A
    • 1976-03-16
    • US496828
    • 1974-08-12
    • Toshiyuki KajiwaraNoriyoshi Sonobe
    • Toshiyuki KajiwaraNoriyoshi Sonobe
    • B21B13/02B21B13/14B21B31/18
    • B21B31/18B21B13/142B21B2013/025B21B2013/028
    • A rolling mill comprising a device for moving any pair of rolls of various types axially thereof. Various types of rolls, which may be work wolls, intermediate rolls or back up rolls, are mounted in respective roll chocks disposed in a housing, and the roll chocks mounting therein any one of a pair of aforesaid rolls are slidably supported for movement axially of the rolls and in a direction in which pressure is applied to the rolls to effect rolling. The device for moving the rolls axially thereof, which may be a hydraulic pressure mechanism, is mounted in the interior of the housing or on its surfaces for moving the rolls either directly or through the associated roll chocks.
    • 一种轧机,包括用于在其轴向移动各种类型的任何一对辊的装置。 各种类型的可以是工作的辊,中间辊或后备辊的辊安装在设置在壳体中的相应的辊轴承座中,并且安装在一对前述辊中的辊轴承可滑动地支撑以轴向移动 轧辊和向轧辊施加压力的方向进行轧制。 用于将其辊轴移动的装置(其可以是液压机构)安装在壳体的内部或其表面上,用于直接地或通过相关联的辊轴承座移动辊。
    • 39. 发明授权
    • Rolling mill
    • 轧机
    • US4614103A
    • 1986-09-30
    • US687255
    • 1984-12-28
    • Michimasa TakagiToshiyuki KajiwaraTakao Sakanaka
    • Michimasa TakagiToshiyuki KajiwaraTakao Sakanaka
    • B21B13/14B21B29/00
    • B21B13/145
    • Horizontal supporting rolls disposed at a lateral side of the work rolls support the work rolls in the direction of travel of the rolled material, and horizontal back-up rolls disposed at a lateral side of the horizontal supporting rolls back-up the horizontal supporting rolls. Frames rotatably hold the horizontal supporting rolls and the horizontal back-up rolls at both axial ends of these rolls, and a first driving mechanism causes a movement of the frames in the direction of travel of the material to be rolled and to impart to the work rolls desired pressing force acting in the direction of travel of the rolled material. A second driving mechanism restrains the position of the frames thus setting the work rolls at predetermined offset positions, provided on the face of the housing confronting the holding means and adapted to guide the movement of the holding member in the direction of travel of the rolled material. With this arrangement, it is possible to prevent any horizontal deflection of the work roll thus affording a highly precise crown and shape control on the rolled product, while facilitating the setting of the work rolls at a designated offset position, as well as replacement of the work rolls.
    • 设置在工作辊的侧面的水平支撑辊沿轧制材料的行进方向支撑工作辊,并且设置在水平支撑辊的横向侧的水平支撑辊支撑水平支撑辊。 框架在这些辊的两个轴向端部处可旋转地保持水平支撑辊和水平支撑辊,并且第一驱动机构使框架沿着待轧材料的行进方向移动并赋予工件 轧制期望的轧制材料行进方向上的按压力。 第二驱动机构限制框架的位置,从而将工作辊设置在预定的偏移位置处,设置在与保持装置相对的壳体的表面上,并且适于引导保持构件沿轧制材料的行进方向的移动 。 通过这种布置,可以防止工作辊的任何水平偏转,从而在轧制产品上提供高度精确的表冠和形状控制,同时有助于将工作辊设置在指定的偏移位置,以及更换 工作卷