EP3520913A1 - Installation de laminage destinée à laminer des bandes métalliques - Google Patents

Installation de laminage destinée à laminer des bandes métalliques Download PDF

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Publication number
EP3520913A1
EP3520913A1 EP19152070.9A EP19152070A EP3520913A1 EP 3520913 A1 EP3520913 A1 EP 3520913A1 EP 19152070 A EP19152070 A EP 19152070A EP 3520913 A1 EP3520913 A1 EP 3520913A1
Authority
EP
European Patent Office
Prior art keywords
hood
elements
rolling
covering
cladding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19152070.9A
Other languages
German (de)
English (en)
Other versions
EP3520913B1 (fr
Inventor
Axel Barten
Werner Latzel
Axel Marx
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Achenbach Buschhetten GmbH and Co KG
Original Assignee
Achenbach Buschhetten GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Achenbach Buschhetten GmbH and Co KG filed Critical Achenbach Buschhetten GmbH and Co KG
Publication of EP3520913A1 publication Critical patent/EP3520913A1/fr
Application granted granted Critical
Publication of EP3520913B1 publication Critical patent/EP3520913B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B21B1/36—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by cold-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B2003/001—Aluminium or its alloys

Definitions

  • the present invention relates to a rolling mill for rolling metal strips with a roll stand and a rolling mill frame, which is at least partially disposed above a arranged in a strip plane strip running zone, wherein the strip running plane is defined by a formed between work rolls of the roll stand rolling gap, with a suction device comprising a hood means , which is arranged on an inlet side or outlet side above the strip running plane, and with a arranged on the rolling mill and at least partially above the belt plane trained Bandeinlaufarmatur or Bandauslaufarmatur, wherein the roll stand, the hood device and the Bandeinlaufarmatur or Bandauslaufarmatur wettable surfaces.
  • the present invention has the object, on the one hand to reduce the cleaning effort and the costs associated with the cleaning, and on the other hand to reduce the risk of contamination of the rolling stock by a precipitate derived from plant components.
  • the invention has the features of claim 1.
  • the wetting properties of the surfaces of the rolling mill casing and the hood device be at least partially different, such that, in particular, a plurality of lining elements and hood elements whose surfaces at least partially cover surfaces overlapping with a strip running zone arranged in the strip running plane, the overlapping surfaces oleophilic Have surface texture, and cladding elements and hood elements whose surfaces form at least partially non-overlapping surfaces, which are not arranged in coincidence with the strip running zone, have an oleophobic surface finish.
  • the invention is based on the recognition that it comes in oleophilic surfaces, which counteract due to their good wetting ability formation of liquid droplets, compared to conventionally trained surfaces of cladding or hood elements to suppress a droplet formation, so the Abtropfriko, so the risk that liquid droplets formed on the surface due to gravity detach and thus can reach the rolling stock as a mixture of metallic abrasion and rolling oil is considerably reduced.
  • a measure of the wettability of surfaces is the contact angle measured on a surface between the surface and a tangent from the surface to a phase interface between a liquid disposed on the surface and the surrounding gas phase. It is true that the more pronounced the wettability of the surface, so the more oleophilic the surface is, the more smaller is the contact angle, and conversely that the worse the wettability of the surface is, so the more oleophobic the surface is, the larger the contact angle.
  • the above physical effect is made use of, in particular, on the one hand to produce surfaces, in particular transparent surfaces, which are as fog-free as possible, which is achieved by largely preventing drop formation by an oleophilic design of the surface, so that a visual obstruction is prevented by forming a droplet layer the surface can be largely prevented and instead a liquid drain without droplet formation can be promoted at a particular arranged at an angle to the horizontal surface.
  • oleophilic and oleophobic surfaces in particular by means of a suitable surface coating on different carrier materials, in particular metal.
  • a suitable surface coating for example, the application of a coating containing silicon oxide nanoparticles to a transparent carrier material, such as, in particular, glass, has proven to produce a fog-free surface.
  • the silicon oxide nanoparticles are embedded in a polymer film.
  • the inventors have now found that the application of such a surface coating on preferably performed in the form of metallic sheets cladding elements or hood elements of rolling plants due to the oleophilic effect causes by the suppressed droplet formation on the relevant Surface is significantly reduced the risk of droplet detachment with possible contamination of a below the surface arranged rolling stock.
  • drop formation on non-overlap surfaces formed on trim or hood elements is advantageous because it results in a concentration of soil particles in the droplets formed on the surface that are light, particularly by assistive loading with cleaning emulsion, rolling oil or the like can be removed from the surface, so that such trim or hood elements can be easily cleaned in place without having to be dismantled from the system.
  • the overlap surfaces have a surface finish such that when coated with hexadecane, the overlay surfaces form a contact angle ⁇ 1 that is less than 20 ° and the non-overlay surfaces have a surface finish such that the overlay surfaces upon wetting form a contact angle ⁇ 2 greater than 50 ° with hexadecane.
  • Hexadecane is used in laboratory measurements as comparison liquid for rolling oil.
  • the abovementioned contact angles therefore define overlapping surfaces and non-overlapping surfaces with a particularly pronounced wettability or a particularly poor wettability, in order to increase the already existing positive effect on a simplified cleaning of the rolling plant in a differentiation between oleophilic and oleophobic surfaces.
  • the overlapping surfaces are preferably formed on cladding or hood elements, in particular cladding sheets and hood sheets, arranged horizontally or at an angle of inclination ⁇ ⁇ 5 ° to the horizontal, so that undesired droplet formation above the strip running device is due to the horizontal or almost horizontal surfaces of the cladding, which generally incline to droplet detachment - Is or hood elements effectively counteracted.
  • cladding or hood elements in particular cladding sheets and hood sheets, arranged horizontally or at an angle of inclination ⁇ ⁇ 5 ° to the horizontal, so that undesired droplet formation above the strip running device is due to the horizontal or almost horizontal surfaces of the cladding, which generally incline to droplet detachment - Is or hood elements effectively counteracted.
  • covering surfaces are formed on covering elements or hood elements which are arranged at an angle of inclination to the horizontal and provided with a surface running device, even by a targeted continuous, ie also during operation of the system taking place precipitation of the risk of loading of rolling stock by
  • the cover area detached pollution can be significantly reduced without a cleaning process would be necessary.
  • the purpose inclined arrangement of the oleophilic surfaces which allows a liquid line to the surface drain device, a discharge of the amount of precipitation from the hazardous area.
  • the surface drain device is preferably formed by a liquid guide device formed on the overlapping surface.
  • hood elements which form an inner hood of the hood device having the inner hood and an outer hood, and in particular beyond which non-overlapping surfaces are formed on hood elements of the outer hood, efficient cleaning of the hood device can be carried out.
  • Hazardous areas of Hood arranged surface can be cleaned very quickly and easily, whereas in hazardous areas of the hood device, ie in areas where the overlapping surfaces are arranged, a risk of droplet formation at the overlapping surfaces is largely prevented.
  • non-overlapping surfaces are formed on cladding or hood elements which are disposed at an inclination angle to the horizontal, so that the corresponding surfaces can be easily cleaned, while at the same time provided by the inclination angle for a directed flow of precipitation amounts.
  • non-overlapping surfaces are formed on vertical trim and hood elements, in particular on trim elements forming protective walls.
  • Such protective walls are usually provided on the drive side in rolling mills in order to separate the drive units from the components of the rolling system defining the strip run.
  • cladding elements are also formed directly on the roll stand, and in particular form components of cladding cabinets.
  • cladding elements and hood elements designed as pipelines have both overlapping surfaces and non-overlapping surfaces, which are formed in particular on supply lines of the rolling plant and suction lines of the suction device.
  • non-overlapping surfaces are predominantly formed on the strip inlet fitting or the strip outlet fitting of the rolling mill, wherein a strip strip suction device formed on the strip inlet fitting or strip outlet fitting, which is arranged in register with guide edges of the strip running zone and above the guide edges, has an overlapping surface ,
  • Such a design of the belt inlet fitting or belt outlet fitting takes into account the fact that the belt inlet fitting or belt outlet fitting can be removed as a component of the rolling mill with relatively little effort from the strip running plane to perform a simple cleaning of predominantly oleophobic designed surfaces, the proportion of Bandeinlaufarmatur or Bandauslaufarmatur which is immediately adjacent to the strip running zone and thus to the rolling stock guided along the strip running zone, namely the seam strip suction device, has an oleophilic surface in order to prevent dripping in the danger zone.
  • Fig. 1 shows a rolling mill 10 with a central part 11 and arranged in the case of the illustrated embodiment, left of the central part 11 Abhaspel 12 and arranged in the case of the present embodiment, right of the central part 11 Aufhaspel 13th
  • the rolling mill 10 is operated in the illustrated configuration with a tape running direction from left to right, such that a recorded on the spool 12 as a coil 14 strip-shaped rolling promoted in a striping plane 15 by a rolling mill 16 formed between work rolls 17, 18 nip 19 and is wound into a coil 20 on the reel 13.
  • a band inlet fitting 21 and immediately adjacent the rolling stand a rolling oil / coolant applicator 22. Furthermore, a tape outlet fitting 23 is disposed between the rolling stand 16 and the reel 13.
  • the strip inlet fitting 21, the rolling oil / coolant application device 22 and the strip outlet fitting 23 have a plurality of tape guide rollers 24 which, together with the work rolls 17, 18 forming the roll gap 19, form a strip running device 29 which determines the course of the strip-shaped rolling stock.
  • Fig. 2 to 4 is the central part 11 of the rolling mill 10 with a rolling mill frame 30 and a two-piece in the present case, namely arranged on both the inlet side E and on the outlet side A to the rolling mill frame 30, hood means 31 shown.
  • the hood device 31 in the present case has substantially identically formed hood parts 32 and 33 connected respectively to the rolling mill casing 30, which together with a head part 34 of the rolling stand lining 30 form a suction device 35 which makes it possible to evaporate the rolling oil during rolling operation. which is applied in particular by means of the rolling oil / coolant application device 22 on the work rolls 17, 18 in the rolling stand 16, to draw off resulting vapor.
  • the suction device 35 has on an underside 36 formed on the hood parts 32, 33 inner hoods 37 circumferentially formed suction openings 38, through which the vapor formed in the region of the central part 11 is sucked off and formed by within a formed between the inner hood 37 and an outer hood 39 hood space 40 guided, not shown here pipelines in manifolds 42, 43 ( Fig. 2 ), which are located in the head portion 34 of the rolling mill frame 30. To the manifolds 42, 43 fans not shown here are connected, which provide the necessary vacuum for suction.
  • hood elements 46 at least on their the strip running plane 15 facing side have a covering surface 48, provided to form the overlapping with the tape running means 29 arranged inner hood 37, so that a vapor precipitate, which precipitates despite Hunstabsaugung on the covering surfaces 48, does not lead to a drop formation, such that a dripping of the precipitate contamination of the along the strip running means 29 in the strip running plane 15 conveyed rolling stock leads.
  • the entire inner hood 37 is composed of hood elements 46, that is to say also in the areas of the inner hood 37 which extend laterally beyond the width b of the belt running zone 29.
  • a liquid flow from the covering surfaces 48 to a lower edge 50 of the inner hood 37 formed, not shown drainage device is possible, which may be formed for example from a horizontal slot, the represents the inlet to a drain line.
  • the outer hood 39 of the hood parts 32, 33 is composed in the present case of hood elements 47 which have a non-overlapping surface 49 at least on an outer side 50 remote from the belt running zone 29. Due to the thus oleophobic formation of the outside 50, such that a droplet formation is promoted on the surface, a cleaning of the outside 50 by means of cleaning emulsion, which is applied to the surface and removed from the surface, easily done.
  • the rolling mill frame 30 has in the illustrated embodiment, in particular on one of the belt running plane 15 and at least partially in overlap with the belt running device 29 arranged underside 27 substantially horizontally disposed cladding elements 44 which are provided with the belt running plane 15 facing covering surfaces 48 ( Fig. 2 ).
  • the cladding elements 45 used here for example, for forming a drive-side protective wall 51 of the roll stand cladding 30, which are not arranged in coincidence with the strip running plane 15, face the non-overlapping areas 49 facing the strip running zone 29.
  • cladding elements 45 with non-overlapping surfaces 49 are provided, for example, for forming a cladding cabinet 52 as part of the rolling mill cladding 30 and serve in particular, such as FIG. 3 shows, for forming vertical cabinet walls 53rd

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
EP19152070.9A 2018-02-02 2019-01-16 Installation de laminage destinée à laminer des bandes métalliques Active EP3520913B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018102362.6A DE102018102362B4 (de) 2018-02-02 2018-02-02 Walzanlage zum Walzen von Metallbändern

Publications (2)

Publication Number Publication Date
EP3520913A1 true EP3520913A1 (fr) 2019-08-07
EP3520913B1 EP3520913B1 (fr) 2021-04-07

Family

ID=65033496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19152070.9A Active EP3520913B1 (fr) 2018-02-02 2019-01-16 Installation de laminage destinée à laminer des bandes métalliques

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EP (1) EP3520913B1 (fr)
DE (1) DE102018102362B4 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040238816A1 (en) * 2003-06-02 2004-12-02 Takanori Tano Layered structure and electron device that uses such a layered structure, fabrication process thereof, electron device array and dispaly apparatus
EP2478974A1 (fr) * 2011-01-24 2012-07-25 Achenbach Buschhütten GmbH Dispositif de laminage final ainsi que procédé de fabrication d'une bande de magnésium dans celui-ci
CN202961971U (zh) * 2012-12-04 2013-06-05 昆山帆牧欣数控科技有限公司 一种油水分离装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007007753A (ja) 2005-06-29 2007-01-18 Brother Ind Ltd 工作機械

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040238816A1 (en) * 2003-06-02 2004-12-02 Takanori Tano Layered structure and electron device that uses such a layered structure, fabrication process thereof, electron device array and dispaly apparatus
EP2478974A1 (fr) * 2011-01-24 2012-07-25 Achenbach Buschhütten GmbH Dispositif de laminage final ainsi que procédé de fabrication d'une bande de magnésium dans celui-ci
CN202961971U (zh) * 2012-12-04 2013-06-05 昆山帆牧欣数控科技有限公司 一种油水分离装置

Also Published As

Publication number Publication date
EP3520913B1 (fr) 2021-04-07
DE102018102362A1 (de) 2019-08-08
DE102018102362B4 (de) 2022-10-06

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