• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The subject of this invention is a method for controlling the tape run (4) of a metal strip (10) by a treatment device (3, 5), for example in a floating oven. According to the invention, the strip run (4) is controlled without contact by means of an electromagnetic device (1) via the Lorentz force. The subject of this invention is also a corresponding device for carrying out the method.
    公开号:AT517509A1
    申请号:T50638/2015
    申请日:2015-07-21
    公开日:2017-02-15
    发明作者:Dipl Ing Boguslawsky Klaus；Dipl Ing Albrecht Jürgen
    申请人:Andritz Sundwig Gmbh；
    IPC主号:
    专利说明:

    The subject of this invention is a method for: controlling the tape running of a metal strip by a treatment device, in which determined by a position sensor, the band position and is controlled accordingly.
    In conventional systems, the belt control is carried out by means of movable control rollers, by means of which the belt run can be corrected.
    However, such a band control is problematic, for example in annealing furnaces, since the control rollers can damage the soft annealed metal strip.
    Therefore, currently the band control is done with control rollers located before and after the oven. The metal strip is transported on air cushion floating through the oven and the subsequent cooling section. Modern horizontal blast furnaces including cooling section can reach lengths of more than 130 m. Even if the metal strip is routed centrally into the floating furnace, lateral deflection movements occur inside the furnace. If the tape touches the oven wall, it will be damaged. One possible solution would be to build the furnace considerably wider than the metal strip so that lateral deflection movements without wall contact are made possible to a certain extent. However, then the capacity of the furnace is not well exploited .. Another possibility would be to place on the furnace wall mechanical boundaries, but by these limitations, the side edges of the metal strip can be bent up.
    The invention is therefore based on the object to provide a method for controlling the tape run, in which there is no damage to the metal strip.
    This object is achieved by the features of claim 1. Namely by a contactless control of the tape run by means of an electromagnetic device · which generates a Lorentz force which acts on the metal strip. A lateral deflection of the belt is detected by the position sensor, which activates the electromagnetic device via a signal processing device. The generated Lorentz force pushes the tape back to the correct position.
    Due to the non-contact and thus low-wear system, there is no more band damage.
    The generation of the Lorentz force to control the tape run can be done by adjustable electromagnets.
    It is favorable if the metal strip is a non-ferrous metal strip (NE strip). In these bands eddy currents are generated by the controllable electromagnets, which in turn generate a magnetic field which interacts with the magnetic field of the electromagnets and thus generates a force effect in the band plane in a direction perpendicular to the strip running direction. Thus, the lateral deflection can be influenced.
    Preferably, the treatment device is a levitation furnace, in which the metal strip is passed horizontally suspended on air cushion. The regulation of the strip running can take place within the suspension furnace or within the subsequent cooling section or in both sections.
    The invention also relates to a device for controlling the tape run of a metal strip, in which the positron of the metal strip is determined with a position sensor. Via controllable electromagnets, which are arranged above and / or below the metal strip, the lateral deflection of the metal strip is regulated.
    Thus, an automatic tape guide without damaging the tape is made possible.
    In the following, an embodiment of the invention will be described in more detail with reference to the following, in which: FIG.
    In Fig. 1, a metal strip 10, in the present case an aluminum strip, unwound from a pay-off 9. The S-rollers 8 guide the aluminum band IQ and keep the strip tension upright before being fed to the levitation furnace 3. In the levitation furnace 3, the aluminum strip 10 is transported without contact by means of air cushions, which are produced by nozzle bars arranged above and below the strip, and is heated at temperatures above 500 ° C.
    The lateral deflection of the aluminum strip 10 is determined by means of the position sensor 2, of course, several such sensors can be provided. The electromagnetic device 1 is formed here by electromagnets 1, which are located above and below the aluminum strip 10, but do not touch this. In the case of a lateral deflection, the electromagnets 1, activated and so the lateral deflection is corrected perpendicular to the tape 4. A control of the electromagnets 1 can be done for example by means of a potentiometer, by which the direction and the amplitude of the electromagnetic force is changed.
    Subsequently, the aluminum strip is passed through a cooling section 5 floating. The electromagnets 1 required for the strip running control can also be arranged in the cooling section 5 or in the transitional region from the annealing furnace 3 to the cooling section 5.
    The cooled and thus less sensitive aluminum strip 10 is subsequently guided over a control roller 6 and fed to rewinding reel 7.
    The embodiment shown in the drawing represents only a preferred embodiment of the invention. The invention also includes other embodiments in which a gentle strip control is required.
    权利要求:
    Claims (9)
    [1]
    claims
    1. A method for controlling the tape run (4) of a metal strip (10) by a treatment device (3, 5), wherein the band layer is determined by a position sensor (2) and is controlled accordingly, characterized in that the control of the tape run (4 ) takes place without contact with the aid of a stationary electromagnetic device (1).
    [2]
    2. The method according to claim l, characterized in that the electromagnetic device (1) are controllable electromagnets (1).
    [3]
    3. The method according to claim 2, characterized in that it is in the metal strip (10) is a non-ferrous metal strip in which by the controllable electromagnets (1) eddy currents are generated, which in turn generate a magnetic field which with the magnetic field of the electromagnets ( 1) interacts and thus generates a Lorentz force in the band plane in a direction perpendicular to the band running direction (4), whereby the band run (4) can be regulated.
    [4]
    4. The method according to any one of claims 1 to 3, characterized in that the treatment device is a levitation furnace (3), in which the metal strip (10) is passed horizontally suspended on air cushion.
    [5]
    5. The method according to claim 4, characterized in that the non-contact regulation of the tape run (4) within the levitation furnace (3).
    [6]
    6. The method according to claim 4, characterized in that the metal strip (10) following the levitation furnace (3) on an air cushion floating through a cooling section (5) is guided, wherein the non-contact control of the tape run (4) within the cooling section ( 5).
    [7]
    7. Device for regulating the strip run (4) of a metal strip (4) with a position sensor (2), characterized in that the device has controllable electromagnets (1) which are arranged at a distance above and / or below the metal strip (10), wherein a force acting on the metal strip (10) Lorentz force can be generated by the electromagnets (1), which acts in a direction lying in the tape plane perpendicular to the tape (4).
    [8]
    8. Apparatus according to claim 7, characterized in that the electromagnets (1) within a levitation furnace (3) are arranged.
    [9]
    9. Apparatus according to claim 7, characterized in that the electromagnets (1) are arranged within a cooling section.
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    同族专利:
    公开号 | 公开日
    EP3121294A2|2017-01-25|
    AT517509B1|2018-07-15|
    EP3121294A3|2017-02-15|
    US20170023303A1|2017-01-26|
    US10345044B2|2019-07-09|
    EP3121294B1|2020-01-01|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    NL281857A|1961-08-11|
    CH416879A|1963-04-01|1966-07-15|Baermann Max|Furnace for heating metallic parts|
    JPS6261093B2|1981-06-15|1987-12-19|Daido Steel Co Ltd|
    JPH05295510A|1992-04-23|1993-11-09|Mitsubishi Heavy Ind Ltd|Noncontact damping equipment for steel sheet|
    JP3489240B2|1995-01-13|2004-01-19|大同特殊鋼株式会社|Floating furnace|
    JP3876810B2|2002-10-03|2007-02-07|Ｊｆｅスチール株式会社|Metal band damping device and metal band manufacturing method|
    DE102006054385B4|2006-11-17|2014-11-13|Sms Siemag Aktiengesellschaft|Device and its use for pulling or braking a metallic Guts|
    KR100867014B1|2007-07-04|2008-11-10|재단법인 포항산업과학연구원|Center positioning controller using driving principle of linear induction|
    WO2016079841A1|2014-11-20|2016-05-26|Ｊｆｅスチール株式会社|Metal band stabilizer and method for manufacturing hot-dip metal band using same|
    DE102014118946B4|2014-12-18|2018-12-20|Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh|Apparatus and method for the continuous treatment of a metal strip|
    AT517509B1|2015-07-21|2018-07-15|Andritz Sundwig Gmbh|TOUCH-FREE BAND GUIDE|AT517509B1|2015-07-21|2018-07-15|Andritz Sundwig Gmbh|TOUCH-FREE BAND GUIDE|
    US10583503B2|2017-01-18|2020-03-10|Butech Bliss|Plunge slitting with enhanced scrap threading capability using notching shears|
    法律状态:
    2021-07-15| HC| Change of the firm name or firm address|Owner name: ANDRITZ METALS GEMANY GMBH, DE Effective date: 20210518 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA50638/2015A|AT517509B1|2015-07-21|2015-07-21|TOUCH-FREE BAND GUIDE|ATA50638/2015A| AT517509B1|2015-07-21|2015-07-21|TOUCH-FREE BAND GUIDE|
    EP16178842.7A| EP3121294B1|2015-07-21|2016-07-11|Contactless tape guide|
    US15/212,759| US10345044B2|2015-07-21|2016-07-18|Non-contact strip guiding|
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