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    Cracker roller disc
    1.
    发明授权
    Cracker roller disc 有权

    公开(公告)号：EP2666348B1

    公开(公告)日：2018-07-04

    申请号：EP13167165.3

    申请日：2013-05-09

    申请人： AGCO International GmbH

    发明人： Burkart, Franz

    IPC分类号： A01D43/10 ,  A01D82/02

    CPC分类号： A01D82/02 ,  A01D43/10 ,  Y10T29/49544

    摘要： A method of manufacturing cracker roller discs comprises forming a disc blanks and machining to produce the final form. The disc blank has an axial bore through the centre, a first portion radially outward of the centre of substantially constant thickness, a second portion radially outward of the first portion which second portion tapers towards the periphery of the disc blank, and a plurality of upstanding ridges extending radially outward across the second portion on opposed faces of the disc. Machining, suitably by turning on a lathe, removes the top part of each ridge and leaves at least one sharp edge extending along it, with all ridges on a face being machined in a single operation.

    METHOD FOR MANUFACTURING ROLL FOR REDUCING, AND ROLL FOR REDUCING
    4.
    发明公开
    METHOD FOR MANUFACTURING ROLL FOR REDUCING, AND ROLL FOR REDUCING 有权
    制造卷的方法以减少和减少卷

    公开(公告)号：EP2692453A1

    公开(公告)日：2014-02-05

    申请号：EP12765966.2

    申请日：2012-03-28

    申请人： Nippon Steel & Sumitomo Metal Corporation

    发明人： OGATA, Ryutaro

    IPC分类号： B21B27/02 ,  B21B17/14

    CPC分类号： B21B27/024 ,  B21B17/14 ,  Y10T29/49544

    摘要： There is provided a method for manufacturing a roll for reducing rolling capable of suppressing the occurrence of fin flaws and edge flaws. A roll for reducing rolling that is used on a three-roll type reducing-rolling mill is prepared. Next, a ridge part (52) formed in the adjacent portion between a caliber part and a flange part is rounded by cutting the ridge part (52) while rotating the roll for reducing rolling around the roll axis. In the step of rounding the ridge part, in a ridge part region (RA52) within the range of 3.0 mm in a roll axis direction with the top of the ridge part (52) being the center, the average of radiuses of curvature measured at a 0.5 mm pitch is made in the range of 2.5 to 3.0 mm, and the difference between the maximum value and the minimum value of the radiuses of curvature is made at most 1.0 mm.

    摘要翻译： 提供了一种用于制造用于减少碾压的辊的方法，其能够抑制鳍裂纹和边缘瑕疵的发生。 准备用于三辊式减径轧机的减径轧制用轧辊。 接着，一边使辊减速辊绕辊轴旋转一边切削棱线部52，从而使形成在口径部与凸缘部之间的相邻部分的棱线部52成为圆形。 在使脊部圆角化的工序中，在以脊部52的顶部为中心的辊轴方向上的3.0mm范围内的脊部区域RA52中，测定曲率半径的平均值 在2.5〜3.0mm的范围内使间距为0.5mm，曲率半径的最大值和最小值的差为1.0mm以下。

    Cracker roller disc
    5.
    发明公开
    Cracker roller disc 有权
    Brechwalzenscheibe

    公开(公告)号：EP2666348A2

    公开(公告)日：2013-11-27

    申请号：EP13167165.3

    申请日：2013-05-09

    申请人： AGCO International GmbH

    发明人： Burkart, Franz

    IPC分类号： A01D43/10

    CPC分类号： A01D82/02 ,  A01D43/10 ,  Y10T29/49544

    摘要： A method of manufacturing cracker roller discs comprises forming a disc blanks and machining to produce the final form. The disc blank has an axial bore through the centre, a first portion radially outward of the centre of substantially constant thickness, a second portion radially outward of the first portion which second portion tapers towards the periphery of the disc blank, and a plurality of upstanding ridges extending radially outward across the second portion on opposed faces of the disc. Machining, suitably by turning on a lathe, removes the top part of each ridge and leaves at least one sharp edge extending along it, with all ridges on a face being machined in a single operation.

    摘要翻译： 制造饼干辊盘的方法包括形成盘坯和机加工以产生最终形式。 盘坯具有穿过中心的轴向孔，位于基本上恒定厚度的中心的径向外侧的第一部分，第一部分的径向外侧的第二部分，第二部分朝向盘坯的周边逐渐变细，以及多个直立的 沿盘的相对面上的第二部分径向向外延伸的脊。 通过打开车床适当地加工，去除每个脊的顶部，并留下至少一个沿其延伸的锋利边缘，其中一个表面上的所有脊在单个操作中被加工。