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    CROSSBOW CORRECTION DEVICE, MOLTEN METAL PLATING FACILITY, AND CROSSBOW CORRECTION METHOD
    2.
    发明申请
    CROSSBOW CORRECTION DEVICE, MOLTEN METAL PLATING FACILITY, AND CROSSBOW CORRECTION METHOD 审中-公开

    公开(公告)号：US20200047234A1

    公开(公告)日：2020-02-13

    申请号：US16478767

    申请日：2017-02-20

    Applicant: PRIMETALS TECHNOLOGIES JAPAN, LTD.

    Inventor： Takashi YONEKURA ,  Masao TAMBARA ,  Masashi YOSHIKAWA

    IPC: B21D1/00 ,  B21C51/00

    Abstract: A crossbow correction device 16 for correcting crossbow of a steel strip S by a magnetic force during conveyance includes a plurality of electromagnets 57a to 57d, 67a to 67d arranged in a strip width direction of the steel strip S and facing each other so as to sandwich the steel strip S in a strip thickness direction, a moving mechanism 51 to 54, 61 to 64 capable of moving the electromagnets 57a to 57d, 67a to 67d relative to the steel strip S, and a controller 17 configured to operate the moving mechanism 51 to 54, 61 to 64, based on a current value flowing through the electromagnets 57a to 57d, 67a to 67d.

    MOLTEN METAL PLATING FACILITY AND METHOD
    3.
    发明申请
    MOLTEN METAL PLATING FACILITY AND METHOD 审中-公开

    公开(公告)号：US20180251879A1

    公开(公告)日：2018-09-06

    申请号：US15756707

    申请日：2017-02-20

    Applicant: PRIMETALS TECHNOLOGIES JAPAN, LTD.

    Inventor： Takashi YONEKURA ,  Masao TAMBARA ,  Masashi YOSHIKAWA ,  Shinji NANBA

    IPC: C23C2/20 ,  C23C2/40

    Abstract: Provided are a molten metal plating facility and a method with which degradation in the surface quality of a strip can be prevented by preventing the adhesion of splashes. In a molten metal plating facility and a method for plating a strip (S) with molten metal by guiding the strip (S) into a molten metal bath (Mm) and then guiding the strip (S) upward, a pair of wiping nozzles (12a, 12b) disposed so as to face a front surface side and a back surface side of the strip (S) guided upward is used to discharge air streams (Ea, Eb) toward a collision point (A) inside the strip (S) such that the first air streams spread out in a strip width direction of the strip (S), and a pair of outer nozzles (15a, 15b) disposed so as to face a front surface side and a back surface side of an extended plane on an outer side of the strip (S) with respect to the strip width direction, above the wiping nozzles (12a, 12b) and on each of both outer sides of the strip (S) with respect to the strip width direction is used to discharge air streams (Fa, Fb) toward a collision point (B) within the extended plane and below the collision point (A).

    PLATE CROSSBOW CORRECTION DEVICE AND PLATE CROSSBOW CORRECTION METHOD
    4.
    发明申请
    PLATE CROSSBOW CORRECTION DEVICE AND PLATE CROSSBOW CORRECTION METHOD 审中-公开
    板式十字交叉校正装置和板式十字架校正方法

    公开(公告)号：US20170009326A1

    公开(公告)日：2017-01-12

    申请号：US15200858

    申请日：2016-07-01

    Applicant: PRIMETALS TECHNOLOGIES JAPAN, LTD.

    Inventor： Takashi YONEKURA ,  Masao TANBARA ,  Masashi YOSHIKAWA

    IPC: C23C2/00

    CPC classification number: C23C2/003 ,  C23C2/20 ,  C23C2/40

    Abstract: Each of the moving blocks of the plate crossbow correction device includes distance sensors and electromagnets, and plate crossbow is corrected by adjusting electromagnetic force by the electromagnets in accordance with distances to strips. The moving blocks are movable in the horizontal direction and ratios of moving distances of the moving blocks are adjusted to be constant when seen from a central position.

    Abstract translation: 板弩校正装置的每个移动块包括距离传感器和电磁体，并且通过根据与条的距离调整电磁体的电磁力来校正板弩。 移动块在水平方向上是可移动的，并且当从中心位置观察时，移动块的移动距离的比率被调节为恒定。

    PLATING COATING AMOUNT CONTROL MECHANISM AND PLATING COATING AMOUNT CONTROL METHOD
    6.
    发明申请
    PLATING COATING AMOUNT CONTROL MECHANISM AND PLATING COATING AMOUNT CONTROL METHOD 审中-公开

    公开(公告)号：US20190390315A1

    公开(公告)日：2019-12-26

    申请号：US16479457

    申请日：2017-04-14

    Applicant: PRIMETALS TECHNOLOGIES JAPAN, LTD.

    Inventor： Takashi YONEKURA ,  Masao TAMBARA ,  Masashi YOSHIKAWA ,  Shinya KANEMORI ,  Kazuki YOSHIDA

    IPC: C23C2/20 ,  G05D5/03

    Abstract: When a portion for measuring the plating adhesion amount reaches an upstream side position, plating adhesion amount estimation values are calculated by using a plating adhesion amount estimation expression at positions away from a position that faces the distance sensors, that is, the upstream side position, by strip-width direction distances, of the surfaces of the steel strip. When the portion for measuring the plating adhesion amount reaches a downstream side position, the strip-width direction distances of the plating adhesion amount meters are matched to the strip-width direction distances, and the plating adhesion amount actual measurement values are obtained. The plating adhesion amount estimation expression is corrected on the basis of the differences between the plating adhesion amount estimation values and the plating adhesion amount actual measurement values. Accordingly, the control accuracy of the plating adhesion amount is improved.

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