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    • 1. 发明专利
    • Rolling mill provided with shifting function of work roll
    • 轧机铣刀提供工作辊转换功能
    • JP2011025299A
    • 2011-02-10
    • JP2009176038
    • 2009-07-29
    • Mitsubishi-Hitachi Metals Machinery Inc三菱日立製鉄機械株式会社
    • NORIKURA TAKASHI
    • B21B13/14B21B27/00B21B27/02
    • B21B13/142B21B1/32B21B27/021B21B27/032B21B31/18B21B38/04B21B2261/06B21B2263/02B21B2267/06B21B2267/26B21B2269/12
    • PROBLEM TO BE SOLVED: To provide a rolling mill having a shifting function of a work roll, with which a high-quality rolled stock having no transferred flaws on its surface is rolled by suppressing the generation of worn flaws on the work rolls caused by both end parts in the width direction of the rolled stock when controlling the edge drop of the rolled stock by shifting the work rolls the one end of which is formed into a tapered shape.
      SOLUTION: This invention relates to a reversible rolling mill 11 which includes tapered parts 31b, 32b where the roll diameter is gradually made smaller as approaching to the roll top on respective one end of the roll barrel parts 31a, 32a, a pair of upper and lower work rolls 22a, 22b for holding the rolled stock 1 between themselves so that the tapered parts 31b, 32b are situated on the opposite sides in the axial direction, and roll shifting devices 40, 50 for shifting the work rolls 22a, 22b in the axial direction, wherein the surfaces of the roll barrel parts 31a, 32a of the work rolls 22a, 22b are formed from a ceramic material or a cemented carbide material.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种具有工作辊的换档功能的轧机,通过抑制在工作辊上产生磨损的缺陷而轧制表面上没有转移缺陷的高质量轧制坯料 由轧制坯料的宽度方向上的两个端部部分通过使其一端形成为锥形的工作辊移动来控制轧制坯料的边缘下降而引起的。 解决方案:本发明涉及一种可逆式轧机11,其包括锥形部分31b,32b,其中辊直径随着在辊筒部分31a,32a的一端接近辊顶而逐渐变小 用于将轧制坯料1保持在它们之间的上下工作辊22a,22b,使得锥形部31b,32b位于轴向的相对侧,以及用于移动工作辊22a的辊移动装置40,50, 22b,其中工作辊22a,22b的辊筒部分31a,32a的表面由陶瓷材料或硬质合金材料形成。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Strip manufacturing facility
    • 制造制造厂
    • JP2005052864A
    • 2005-03-03
    • JP2003286014
    • 2003-08-04
    • Ishikawajima Harima Heavy Ind Co Ltd石川島播磨重工業株式会社
    • HONJO HISASHIIWASAKI TAKAYUKI
    • B21B1/00B21B1/02B21B1/46B21B13/02B21B13/14B21B27/02B21B29/00B21B31/18B22D11/06
    • B21B27/02B21B1/026B21B1/463B21B13/142B21B29/00B21B2001/028B21B2013/025B21B2027/022B21B2263/02B21B2269/04B21B2269/14
    • PROBLEM TO BE SOLVED: To provide a strip manufacturing facility by which each edge drop part can be reduced together with a central part and the edge drop part can be left on the exit side after rolling even if there is a large edge drop part on a strip of the entering side and the sizes of the right and left edge drop parts are different. SOLUTION: The strip manufacturing facility is provided with a rolling mill 10 which has a pair of upper and lower work rolls 20 for reducing a slab material 1 having the edge drop part 2 on both end parts and a pair of upper and lower stand-by rolls 30 for suppressing the deformation of the work rolls. The work rolls 20 have a inverted taper part 24 in which the diameter of the shaft end side is gradually enlarged to a barrel end part corresponding to the edge drop part. The upper and lower work rolls are constituted so as to be capable of separately and axially shifting. The stand-by rolls 30 have a relief part 34 in which the diameter of the shaft end side is gradually reduced so as not to come into contact with the inverted taper part of the work rolls in the shift range of the work rolls. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种带状制造设备,其中每个边缘落下部分可以与中心部分一起被还原,并且边缘落下部分可以在轧制之后留在出口侧,即使存在大的边缘掉落 部分在进入侧的条带上,并且左右边缘部分的尺寸是不同的。 解决方案:带材制造设备设置有轧机10,该轧机具有一对上下工作辊20,用于减少在两端部具有边缘落下部分2的板坯材料1和一对上部和下部 用于抑制工作辊变形的待机辊30。 工作辊20具有倒锥形部分24,其中轴端侧的直径逐渐扩大到对应于边缘部分的筒端部。 上下工作辊构成为能够分开和轴向移动。 备用辊30具有在工作辊的移动范围内轴端侧的直径逐渐减小以便不与工作辊的倒锥部接触的释放部34。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Rolling mill including work roll shift function
    • 滚动铣刀包括工作滚动移位功能
    • JP2013226573A
    • 2013-11-07
    • JP2012099722
    • 2012-04-25
    • Mitsubishi-Hitachi Metals Machinery Inc三菱日立製鉄機械株式会社
    • NORIKURA TAKASHI
    • B21B37/28B21B13/14B21B37/00
    • B21B13/142B21B37/40B21B38/00B21B2263/02B21B2269/14B21B2269/16
    • PROBLEM TO BE SOLVED: To provide a rolling mill including a work roll shift function of improving a yield by a simple means, and capable of materializing stable rolling.SOLUTION: In a six-stage rolling mill or a four-stage rolling mill, a pair of upper and lower work rolls 2 are provided with tapered parts 2b in upper and lower positions in point symmetry. The six-stage rolling mill or the four-stage rolling mill includes: shift cylinders 13 shifting the pair of upper and lower work rolls 2 in roll axial directions; a plate width end position detector 32 detecting the plate width ends of a metal strip 1; and a controller 35 performing drive control of the shift cylinders so as to make taper start positions 2a in the tapered parts of the pair of upper and lower work rolls coincide with the vicinities of the insides of the plate width ends or the vicinities of the outsides of the plate width ends detected by the plate width end position detector.
    • 要解决的问题:提供一种轧机,其包括通过简单的方法提高产量的工作辊移动功能,并且能够实现稳定的轧制。解决方案:在六级轧机或四级轧机中, 一对上下工作辊2以点对称的上下位置设置有锥形部2b。 六级轧机或四级轧机包括:换档缸13,使一对上下工作轧辊2沿辊轴方向移动; 检测金属带1的板宽端的板宽端位置检测器32; 以及执行变速缸的驱动控制的控制器35,使得一对上下工作辊的锥形部分中的锥形开始位置2a与板宽端部的内部附近或外侧的附近相重合 的板宽端部由板宽端部检测器检测。