EP4374982B1 - Walzwerk, tandemwalzwerk und kühlmittelzuführmechanismus für walzwerk - Google Patents

Walzwerk, tandemwalzwerk und kühlmittelzuführmechanismus für walzwerk

Info

Publication number
EP4374982B1
EP4374982B1 EP22845937.6A EP22845937A EP4374982B1 EP 4374982 B1 EP4374982 B1 EP 4374982B1 EP 22845937 A EP22845937 A EP 22845937A EP 4374982 B1 EP4374982 B1 EP 4374982B1
Authority
EP
European Patent Office
Prior art keywords
rolling mill
jetting
coolant
rolls
pair
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.)
Active
Application number
EP22845937.6A
Other languages
English (en)
French (fr)
Other versions
EP4374982A1 (de
EP4374982A4 (de
Inventor
Takashi Norikura
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.)
Sendzimir Japan Ltd
Original Assignee
Sendzimir Japan Ltd
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 Sendzimir Japan Ltd filed Critical Sendzimir Japan Ltd
Publication of EP4374982A1 publication Critical patent/EP4374982A1/de
Publication of EP4374982A4 publication Critical patent/EP4374982A4/de
Application granted granted Critical
Publication of EP4374982B1 publication Critical patent/EP4374982B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
    • B21B13/147—Cluster mills, e.g. Sendzimir mills, Rohn mills, i.e. each work roll being supported by two rolls only arranged symmetrically with respect to the plane passing through the working rolls
    • 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
    • B21B2001/221—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 by cold-rolling
    • 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
    • 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
    • B21B2003/005—Copper or its alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/025—Quarto, four-high stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/028—Sixto, six-high stands
    • 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
    • B21B2027/103—Lubricating, cooling or heating rolls externally cooling externally
    • 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
    • B21B3/02—Rolling special iron alloys, e.g. stainless steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
    • 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
    • B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Control Of Metal Rolling (AREA)

Claims (7)

  1. Kühlmittelzufuhrmechanismus für ein Walzwerk zum Spritzen eines Kühlmittels zur Kühlung von Arbeitswalzen (2) eines Walzwerks (100B-G), wobei der Kühlmittelzufuhrmechanismus umfasst:
    Spritzdüsen (8; 8a-h), die dazu konfiguriert sind, das Kühlmittel zu spritzen, wobei die Spritzdüsen (8; 8a-h) mehrfach bereitgestellt sind, so dass sie eine Reihe in einer Bandbreitenrichtung eines Metallbands (1) bilden;
    Versorgungsleitungen (9, 10, 28, 29, 30; 9a-h, 10a-h, 28a-h, 29a-h, 30a-h), die dazu konfiguriert sind, das Kühlmittel zu den jeweiligen Spritzdüsen (8; 8a-h) zu liefern;
    einen Verteiler (12; 12a-d), der dazu konfiguriert ist, die mehrfach bereitgestellten Spritzdüsen (8; 8a-h) aufzunehmen;
    ein Schiebeelement (26; 26a-h; 43), das dazu konfiguriert ist, die Versorgungsleitungen (9, 10, 28, 29, 30; 9a-h, 10a-h, 28a-h, 29a-h, 30a-h) innerhalb des Verteilers (12; 12a-d) selektiv abzuschirmen oder zu öffnen; und
    eine Antriebseinheit (22, 23, 24, 25, 42; 22a-h, 23a-h, 24a-h, 25a-h), die dazu konfiguriert ist, jeweilige Kühlmittelspritzmengen der mehrfach bereitgestellten Spritzdüsen (8; 8a-h) durch Bewegen des Schiebeelements (26; 26a-h; 43) einzustellen,
    dadurch gekennzeichnet, dass
    das Schiebeelement (26; 26a-h; 43) durch einen Zylinder (26; 26a-h) mit in einem Muster angeordneten Vorsprüngen (27; 27a-h) oder durch eine in der Bandbreitenrichtung bewegbare ringförmige Platte (43) gebildet ist, und
    die Antriebseinheit (22, 23, 24, 25, 42; 22a-h, 23a-h, 24a-h, 25a-h) dazu konfiguriert ist, Löcher (29) der Versorgungsleitungen (9, 10, 28, 29, 30; 9a-h, 10a-h, 28a-h, 29a-h, 30a-h) durch Rotationseinstellung der Vorsprünge (27; 27a-h) des Zylinders (26; 26a-h) oder durch axiales Bewegen der ringförmigen Platte (43) in der Bandbreitenrichtung zu öffnen oder zu schließen.
  2. Walzwerk (100B-G), umfassend:
    mindestens ein Paar Arbeitswalzen (2), die dazu konfiguriert sind, ein Metallband (1) zu walzen; und
    den Kühlmittelzufuhrmechanismus nach Anspruch 1, der dazu konfiguriert ist, ein Kühlmittel zu den Arbeitswalzen (2) an mindestens einer Position einer Eingangsseite, einer Ausgangsseite, einer Oberseite und einer Unterseite in einer Durchlaufrichtung des Metallbands (1) zu spritzen.
  3. Walzwerk (100B-G) nach Anspruch 2, wobei das Schiebeelement (26; 26a-h) in zwei Teile auf einer Antriebsseite und einer Arbeitsseite unterteilt ist.
  4. Walzwerk (100G) nach Anspruch 2 oder 3, ferner umfassend:
    einen Formdetektor (56), der auf der Ausgangsseite in dem Walzwerk (100B-G) angeordnet und dazu konfiguriert ist, eine Bandform des Metallbands (1) zu detektieren; und
    eine Steuereinheit (57), die dazu konfiguriert ist, den Betrieb der Antriebseinheit (22, 23, 24, 25, 42; 22a-h, 23a-h, 24a-h, 25a-h) zu steuern, um das Schiebeelement (26; 26a-h) zu bewegen, so dass ein Formdefekt einer lokalen Beule oder Schwellung auf der Basis der vom Formdetektor (56) detektierten Bandform korrigiert wird.
  5. Walzwerk (100G) nach Anspruch 4, wobei die Steuereinheit (57) dazu konfiguriert ist,
    die Spritzmenge einer Spritzdüse (8; 8a-h) an einer gleichen Bandbreitenrichtungsposition wie ein Teil, in dem die Bandform lokal geschwollen ist, zu verringern oder auf 0 zu setzen und/oder die Spritzmengen anderer Spritzdüsen (8; 8a-h) zu erhöhen, oder
    die Spritzmenge einer Spritzdüse (8; 8a-h) an einer gleichen Bandbreitenrichtungsposition wie ein Teil, in dem die Bandform lokal gewölbt ist, zu erhöhen und/oder die Spritzmengen anderer Spritzdüsen (8; 8a-h) zu verringern oder auf 0 zu setzen.
  6. Walzwerk (100B-G) nach einem der Ansprüche 2 bis 5, wobei das Walzwerk (100B-G) eines der folgenden ist:
    ein 4-Walzen-Walzwerk (100C), das das Paar Arbeitswalzen (2) und ein Paar Stützwalzen (44) umfasst, die dazu konfiguriert sind, die Arbeitswalzen (2) zu stützen,
    ein 6-Walzen-Walzwerk (100D), das das Paar Arbeitswalzen (2), ein Paar Zwischenwalzen (45), die dazu konfiguriert sind, die Arbeitswalzen (2) zu stützen, und ein Paar Stützwalzen (46) umfasst, die dazu konfiguriert sind, die Zwischenwalzen (45) zu stützen,
    ein 18-Walzen-Walzwerk (100E), das das Paar Arbeitswalzen (2), ein Paar Zwischenwalzen (47), die dazu konfiguriert sind, die Arbeitswalzen (2) zu stützen, ein Paar Stützwalzen (48), die dazu konfiguriert sind, die Zwischenwalzen (47) zu stützen, vier Paare Tragwalzen (49), die dazu konfiguriert sind, das Paar Arbeitswalzen (2) in einer horizontalen Richtung zu stützen, und acht Paare Traglager (50) umfasst, die dazu konfiguriert sind, die vier Paare Tragwalzen (49) zu stützen,
    ein 12-Walzen-Walzwerk (100F), das das Paar Arbeitswalzen (2), zwei Paare Zwischenwalzen (54), die dazu konfiguriert sind, die Arbeitswalzen (2) zu stützen, und drei Paare geteilte Stützlager-Wellen (55) umfasst, die dazu konfiguriert sind, die Zwischenwalzen (54) zu stützen, und
    ein 20-Walzen-Walzwerk (100B; 100G), das das Paar Arbeitswalzen (2), zwei Paare erste Zwischenwalzen (3), die dazu konfiguriert sind, die Arbeitswalzen (2) zu stützen, drei Paare zweite Zwischenwalzen (4), die dazu konfiguriert sind, die ersten Zwischenwalzen (3) zu stützen, und vier Paare geteilte Stützlager-Wellen (6) umfasst, die dazu konfiguriert sind, die zweiten Zwischenwalzen (4) zu stützen.
  7. Tandemwalzwerk (200), umfassend Walzwerke (100B-G), die in einer Mehrzahl von Walzwerkgerüsten angeordnet sind, wobei das Walzwerk (100B-G) nach einem der Ansprüche 2 bis 6 als mindestens ein Walzwerkgerüst unter der Mehrzahl von Walzwerkgerüsten bereitgestellt ist.
EP22845937.6A 2021-07-21 2022-07-20 Walzwerk, tandemwalzwerk und kühlmittelzuführmechanismus für walzwerk Active EP4374982B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021120162 2021-07-21
PCT/JP2022/028140 WO2023003004A1 (ja) 2021-07-21 2022-07-20 圧延機、タンデム圧延機、および圧延機用クーラント供給機構

Publications (3)

Publication Number Publication Date
EP4374982A1 EP4374982A1 (de) 2024-05-29
EP4374982A4 EP4374982A4 (de) 2025-07-09
EP4374982B1 true EP4374982B1 (de) 2026-03-18

Family

ID=84980060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22845937.6A Active EP4374982B1 (de) 2021-07-21 2022-07-20 Walzwerk, tandemwalzwerk und kühlmittelzuführmechanismus für walzwerk

Country Status (4)

Country Link
EP (1) EP4374982B1 (de)
JP (1) JP7636551B2 (de)
CN (1) CN117642234A (de)
WO (1) WO2023003004A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116408352A (zh) * 2023-04-12 2023-07-11 江苏甬金金属科技有限公司 一种防损伤形变的不锈钢生产用的二十辊轧机

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JP2009274101A (ja) * 2008-05-15 2009-11-26 Sumitomo Light Metal Ind Ltd 箔圧延機におけるロールクーラントの制御方法及び制御装置
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Also Published As

Publication number Publication date
EP4374982A1 (de) 2024-05-29
CN117642234A (zh) 2024-03-01
WO2023003004A1 (ja) 2023-01-26
JPWO2023003004A1 (de) 2023-01-26
JP7636551B2 (ja) 2025-02-26
EP4374982A4 (de) 2025-07-09

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