EP1516683B1 - Roll cooling and/or lubricating device for cold strip rolling mills, in particular fine strip and foil rolling mills - Google Patents

Roll cooling and/or lubricating device for cold strip rolling mills, in particular fine strip and foil rolling mills Download PDF

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Publication number
EP1516683B1
EP1516683B1 EP04014795A EP04014795A EP1516683B1 EP 1516683 B1 EP1516683 B1 EP 1516683B1 EP 04014795 A EP04014795 A EP 04014795A EP 04014795 A EP04014795 A EP 04014795A EP 1516683 B1 EP1516683 B1 EP 1516683B1
Authority
EP
European Patent Office
Prior art keywords
rolling mills
strip
lubricating device
spray nozzles
roll
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.)
Expired - Fee Related
Application number
EP04014795A
Other languages
German (de)
French (fr)
Other versions
EP1516683A1 (en
Inventor
Axel Dipl.-Ing. Barten
Werner Ing. Stahl
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 EP1516683A1 publication Critical patent/EP1516683A1/en
Application granted granted Critical
Publication of EP1516683B1 publication Critical patent/EP1516683B1/en
Expired - Fee Related 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
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • 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
    • B21B1/40—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 foils which present special problems, e.g. because of thinness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
    • B21B37/32—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by cooling, heating or lubricating the rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0233—Spray nozzles, Nozzle headers; Spray systems

Definitions

  • the invention relates to a Walzenkühl- and / or lubricating device for fine strip and foil rolling mills, with the individual rollers associated nozzle bars, on which are arranged over the roll width spray nozzles, for controlling the strip tension over the bandwidth by changing the effective roll bale diameter and / or an influence the roller lubrication with a pressure and / or quantity and / or temperature-controlled supply of coolant and lubricant, in particular rolling oil or emulsions.
  • a roller cooling and / or lubricating device of the generic type described in DE 201 06 972 U1 is equipped with spray nozzles whose compressed-air-operated nozzle valves are controlled by solenoid valves.
  • the nozzle valves must be actuated by flatness measuring systems in short time intervals, which should be less than 50 milliseconds, open and close. These short cycle times can not be realized with the nozzle valves of the spray nozzles of the generic roller cooling and / or lubricating device due to the masses to be moved.
  • the invention has for its object to develop a nozzle valve with very short switching times for the spray nozzles of a generic Walzenkühl- and / or lubricating device for rolling mills.
  • piezo actuators mostly polycrystalline ceramic material is used, which deforms when an electrical charge is placed on the ceramic surface. When an AC voltage is applied, the piezo actuator begins to oscillate. This oscillatory movement, which takes place at a very high frequency, is used to open and close the nozzle valves of the spray nozzles.
  • DE-C-43 25 143 describes an application unit for applying glue to a glulam such as blanks or sheets of cardboard, paper, textile, nonwoven and the like according to a predetermined pattern.
  • glue for a planar bonding of substrates, juxtaposed line-shaped glue traces are applied to the substrate by means of a plurality of application units arranged side by side.
  • the application units are equipped with spray nozzles, which have a nozzle valve with a piezoelectric element as an actuator.
  • the roll cooling and lubricating device 1 shown in the drawing for a 4-high stand 2 which has a lower and an upper work roll 3, 4 and a lower and an upper support roller 5, 6, with two the work rolls 3, 4 associated nozzle bar 7 with in three rows of superposed spray nozzles 8 and two support rollers 5, 6 associated nozzle bar 9 equipped with single-row spray nozzles 8, the nozzle valves are opened and closed by the above-described piezo actuators.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Nozzles (AREA)

Abstract

Roller-cooling and/or lubricating device comprises a crosspiece (9) assigned to the rollers (3-6) and having spray nozzles (8) for introducing cooling and lubricating materials, especially rolling oil and/or emulsions. The spray nozzles have a valve equipped with a piezo-actuator as adjusting part.

Description

Die Erfindung betrifft eine Walzenkühl- und/oder Schmiervorrichtung für Feinband- und Folienwalzwerke, mit den einzelnen Walzen zugeordneten Düsenbalken, auf denen über die Walzenbreite Sprühdüsen angeordnet sind, zur Regelung der Bandzugspannung über die Bandbreite durch eine Änderung des wirksamen Walzenballendurchmessers und/oder eine Beeinflussung der Walzenschmierung mit einer druck- und/oder mengen- und/oder temperaturgesteuerten Zuführung von Kühl- und Schmiermittel, insbesondere Walzöl bzw. Emulsionen.The invention relates to a Walzenkühl- and / or lubricating device for fine strip and foil rolling mills, with the individual rollers associated nozzle bars, on which are arranged over the roll width spray nozzles, for controlling the strip tension over the bandwidth by changing the effective roll bale diameter and / or an influence the roller lubrication with a pressure and / or quantity and / or temperature-controlled supply of coolant and lubricant, in particular rolling oil or emulsions.

Eine in der DE 201 06 972 U1 beschriebene Walzenkühl- und/oder Schmiervorrichtung der gattungsgemäßen Art ist mit Sprühdüsen ausgerüstet, deren druckluftbetätigte Düsenventile durch Elektromagnetventile gesteuert werden. Die Düsenventile müssen angesteuert von Planheitsmeßsystemen in kurzen Zeitintervallen, die unter 50 Millisekunden liegen sollen, öffnen und schließen. Diese kurzen Taktzeiten können mit den Düsenventilen der Sprühdüsen der gattungsgemäßen Walzenkühl- und/oder Schmiervorrichtung aufgrund der zu bewegenden Massen nicht verwirklicht werden.A roller cooling and / or lubricating device of the generic type described in DE 201 06 972 U1 is equipped with spray nozzles whose compressed-air-operated nozzle valves are controlled by solenoid valves. The nozzle valves must be actuated by flatness measuring systems in short time intervals, which should be less than 50 milliseconds, open and close. These short cycle times can not be realized with the nozzle valves of the spray nozzles of the generic roller cooling and / or lubricating device due to the masses to be moved.

Der Erfindung liegt die Aufgabe zugrunde, ein Düsenventil mit sehr kurzen Schaltzeiten für die Sprühdüsen einer gattungsgemäßen Walzenkühl- und/oder Schmiervorrichtung für Walzwerke zu entwickeln.The invention has for its object to develop a nozzle valve with very short switching times for the spray nozzles of a generic Walzenkühl- and / or lubricating device for rolling mills.

Diese Aufgabe wird erfindungsgemäß gelöst durch eine gattungsgemäße Walzenkühl- und/oder Schmiervorrichtung mit Sprühdüsen, deren Düsenventile mit einem Piezo-Aktor als Stellglied ausgestattet sind.This object is achieved by a generic Walzenkühl- and / or lubricating device with spray nozzles whose nozzle valves are equipped with a piezo actuator as an actuator.

Für Piezo-Aktoren wird meist polykristallines Keramikmaterial verwendet, das sich deformiert, wenn eine elektrische Ladung auf die Keramikoberfläche gebracht wird. Bei Anlegen einer Wechselspannung beginnt der Piezo-Aktor zu schwingen. Diese mit einer sehr hohen Frequenz ablaufende Schwingbewegung wird zum Öffnen und Schließen der Düsenventile der Sprühdüsen genutzt.For piezo actuators mostly polycrystalline ceramic material is used, which deforms when an electrical charge is placed on the ceramic surface. When an AC voltage is applied, the piezo actuator begins to oscillate. This oscillatory movement, which takes place at a very high frequency, is used to open and close the nozzle valves of the spray nozzles.

Die DE-C-43 25 143 beschreibt eine Auftragseinheit zum Auftragen von Leim auf ein Beleimungsgut wie Zuschnitte oder Bahnen aus Karton, Papier, Textil, Vlies und dergleichen nach einem vorbestimmten Muster. Für eine flächige Verleimung von Substraten werden mittels mehrerer nebeneinander angeordneter Auftragseinheiten nebeneinanderliegende linienförmige Leimspuren auf das Substrat aufgebracht. Die Auftragseinheiten sind mit Sprühdüsen ausgestattet, die ein Düsenventil mit einem piezoelektrischen Element als Stellglied aufweisen. Durch entsprechend rasch aufeinanderfolgendes Öffnen und Schließen der Leimaustrittsventile können kurze Leimspuren für Leimaufträge auf kleine Felder wie beispielsweise Klebelaschen bei Kartonagen bis hin zu einzelnen Leimpunkten erzeugt werden.DE-C-43 25 143 describes an application unit for applying glue to a glulam such as blanks or sheets of cardboard, paper, textile, nonwoven and the like according to a predetermined pattern. For a planar bonding of substrates, juxtaposed line-shaped glue traces are applied to the substrate by means of a plurality of application units arranged side by side. The application units are equipped with spray nozzles, which have a nozzle valve with a piezoelectric element as an actuator. By correspondingly rapid successive opening and closing of the Leimaustrittsventile short glue marks for glue jobs on small fields such as adhesive tabs in cardboard boxes can be generated to individual glue spots.

Eine Anregung, die auf Düsenbalken angeordneten Sprühdüsen einer Walzenkühl- und/oder Schmiervorrichtung für die Walzen von Feinband- und Folienwalzwerken zur Regelung der Bandzugspannung über die Bandbreite durch eine Änderung des wirksamen Walzenballendurchmessers und/oder eine Beeinflussung der Walzenschmierung durch die Zuführung von Kühl- und Schmiermittel mit Düsenventilen auszurüsten, die mit einem Piezo-Aktor als Stellglied ausgestattet sind, ist der DE-C-43 25 143 nicht zu entnehmen.An excitation, arranged on the nozzle bar spray nozzles a Walzenkühl- and / or lubricating device for the rolls of fine strip and foil rolling mills to control the strip tension over the bandwidth by changing the effective roll bale diameter and / or influencing the To equip roller lubrication by the supply of coolant and lubricant with nozzle valves, which are equipped with a piezo actuator as an actuator, DE-C-43 25 143 can not be seen.

Die in der Zeichnung dargestellte Walzenkühl- und Schmiervorrichtung 1 für ein Quartowalzgerüst 2, das eine untere und eine obere Arbeitswalze 3, 4 sowie eine untere und eine obere Stützwalze 5, 6 aufweist, ist mit zwei den Arbeitswalzen 3, 4 zugeordneten Düsenbalken 7 mit in drei Reihen übereinander angeordneten Sprühdüsen 8 und zwei den Stützwalzen 5, 6 zugeordneten Düsenbalken 9 mit einreihig angeordneten Sprühdüsen 8 ausgestattet, deren Düsenventile durch die vorbeschriebenen Piezo-Aktoren geöffnet und geschlossen werden.The roll cooling and lubricating device 1 shown in the drawing for a 4-high stand 2, which has a lower and an upper work roll 3, 4 and a lower and an upper support roller 5, 6, with two the work rolls 3, 4 associated nozzle bar 7 with in three rows of superposed spray nozzles 8 and two support rollers 5, 6 associated nozzle bar 9 equipped with single-row spray nozzles 8, the nozzle valves are opened and closed by the above-described piezo actuators.

Claims (1)

  1. Roll cooling and/or lubricating device for fine strip and foil rolling mills, with nozzle beams, which are allocated to the individual rolls and on which spray nozzles are arranged over the roll width, for regulating the tensile stress of the strip over the strip width by changing the effective roll body diameter and/or influencing the roll lubrication with a pressure- and/or quantity- and/or temperature-controlled feed of coolant and lubricant such as rolling oil or emulsions, characterised by spray nozzles (8) with a nozzle valve, which is fitted with a piezoelectric actuator as final control element.
EP04014795A 2003-09-20 2004-06-24 Roll cooling and/or lubricating device for cold strip rolling mills, in particular fine strip and foil rolling mills Expired - Fee Related EP1516683B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20314591U 2003-09-20
DE20314591U DE20314591U1 (en) 2003-09-20 2003-09-20 Roller cooling and / or lubricating device for rolling mills, especially fine strip and foil rolling mills

Publications (2)

Publication Number Publication Date
EP1516683A1 EP1516683A1 (en) 2005-03-23
EP1516683B1 true EP1516683B1 (en) 2006-12-20

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EP04014795A Expired - Fee Related EP1516683B1 (en) 2003-09-20 2004-06-24 Roll cooling and/or lubricating device for cold strip rolling mills, in particular fine strip and foil rolling mills

Country Status (4)

Country Link
EP (1) EP1516683B1 (en)
AT (1) ATE348669T1 (en)
DE (2) DE20314591U1 (en)
ES (1) ES2274347T3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101600519B (en) * 2007-02-09 2013-01-02 冶金研究Asbl中心 Device and method for cooling rolls used for rolling in a highly turbulent environment
WO2021097568A1 (en) * 2019-11-18 2021-05-27 Blue Solutions Canada Inc. Lamination lubricant dispensing unit for lubricating a working roller of a rolling mill for laminating a sheet of alkali metal or alloy thereof into a film

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103706635B (en) * 2013-12-26 2016-08-17 河南万达铝业有限公司 A kind of aluminium strip hot rolling system
CN114700381A (en) * 2022-06-07 2022-07-05 中国重型机械研究院股份公司 Cold-rolling pipe mill pipe body lubricating liquid adding and recycling device and method
CN115608785B (en) * 2022-09-26 2023-06-23 马鞍山延隆新材料科技有限公司 High-ductility cold-rolled ribbed steel bar rolling mill roll gap lubrication treatment device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0694014B2 (en) * 1986-11-07 1994-11-24 マークテック株式会社 Small high speed spray gun
JPH05285434A (en) * 1992-04-14 1993-11-02 Omron Corp Apparatus for discharging liquid
DE4325143C1 (en) * 1993-07-27 1994-12-22 Itw Dynatec Gmbh Klebetechnik Application unit for glue
DE4411569C1 (en) * 1994-04-02 1995-07-20 Itw Dynatec Gmbh Klebetechnik Application head metering flowing medium
DE20106972U1 (en) * 2001-04-23 2001-06-28 Achenbach Buschhuetten Gmbh Roller cooling and / or lubricating device for cold strip rolling mills, in particular fine strip and foil rolling mills

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101600519B (en) * 2007-02-09 2013-01-02 冶金研究Asbl中心 Device and method for cooling rolls used for rolling in a highly turbulent environment
WO2021097568A1 (en) * 2019-11-18 2021-05-27 Blue Solutions Canada Inc. Lamination lubricant dispensing unit for lubricating a working roller of a rolling mill for laminating a sheet of alkali metal or alloy thereof into a film
US11850643B2 (en) 2019-11-18 2023-12-26 Blue Solutions Canada Inc. Lamination lubricant dispensing unit for lubricating a working roller of a rolling mill for laminating a sheet of alkali metal or alloy thereof into a film

Also Published As

Publication number Publication date
EP1516683A1 (en) 2005-03-23
DE20314591U1 (en) 2003-11-20
ES2274347T3 (en) 2007-05-16
DE502004002357D1 (en) 2007-02-01
ATE348669T1 (en) 2007-01-15

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