EP0072385B2 - Laminoir à 4 cylindres du type à cylindres croisés - Google Patents

Laminoir à 4 cylindres du type à cylindres croisés Download PDF

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Publication number
EP0072385B2
EP0072385B2 EP19810730074 EP81730074A EP0072385B2 EP 0072385 B2 EP0072385 B2 EP 0072385B2 EP 19810730074 EP19810730074 EP 19810730074 EP 81730074 A EP81730074 A EP 81730074A EP 0072385 B2 EP0072385 B2 EP 0072385B2
Authority
EP
European Patent Office
Prior art keywords
roll
rolls
work
housing
backup
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
Application number
EP19810730074
Other languages
German (de)
English (en)
Other versions
EP0072385B1 (fr
EP0072385A1 (fr
Inventor
Hiroyuki Hiroshima Shipyard & Engine Works Hino
Kunio Hiroshima Shipyard & Engine Works Yamamoto
Ryuichi Hiroshima Shipyard & Engine Works Ozono
Hiroshi Hiroshima Shipyard & Engine Works Aratani
Susumu Hiroshima Shipyard & Engine Works Kawamoto
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8188638&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0072385(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to DE8181730074T priority Critical patent/DE3170718D1/de
Priority to EP19810730074 priority patent/EP0072385B2/fr
Publication of EP0072385A1 publication Critical patent/EP0072385A1/fr
Publication of EP0072385B1 publication Critical patent/EP0072385B1/fr
Application granted granted Critical
Publication of EP0072385B2 publication Critical patent/EP0072385B2/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • B21B13/023—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally the axis of the rolls being other than perpendicular to the direction of movement of the product, e.g. cross-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
    • B21B2203/06—Cassettes

Definitions

  • This invention relates to improvements in a four high mill of a paired-roll-crossing type.
  • a mill according to the first part of the main claim is known from the JP-A-55-153 606.
  • Those rolling mills include means for separately setting the left and right roll gaps, oil hydraulic jacks for roll bending, and a paired-roll-crossing mechanism which can be adjusted to move the pair of the upper work roll and backup roll and the pair of the lower work roll and backup roll to cross each other at predetermined angles with respect to a line normal to the rolling direction. In this way they can attain the end described above.
  • This invention is aimed at overcoming the drawbacks of the proposed mills, and it provides a four high mill according to the features of claim 1.
  • work roll bending means may be mounted at both ends of the work rolls.
  • the numeral 1 indicates a slab or strip of steel to be rolled by a pair of work rolls 2, 2′, which are held one above another and supported, respectively, by work roll chocks 6, 6′ as shown.
  • a pair of backup rolls 3, 3′ in rolling contact with the non-working sides of the work rolls 2, 2′, are held within upper and lower bearing cases 7, 7′ for the backup rolls.
  • the pair of screw-down devices 11 equipped with the screws 4 constitute means for separately setting the left and right roll gaps as desired between the upper and lower work rolls 2, 2′.
  • the upper and lower backup roll bearing cases 7, 7′ are held in a suitably spaced relation within the housing 8 so they may move upwardly and downwardly along the housing frames and also, as will be described later, they may turn about their common vertical axis.
  • the upper and lower work roll chocks 6, 6′ are vertically slidably housed in the upper and lower backup roll bearing cases 7, 7′.
  • Between the both ends of the backup roll bearing cases 7, 7′ and those of the work roll chocks 6, 6′ are interposed roll-bending devices (oil hydraulic jacks) 5, as shown in Fig. 1.
  • equalizer beams 21, 21′ are disposed between the upper backup roll bearing case 7 and the screws 4 and between the lower bearing case 7′ and the hydraulic reduction cylinders 10, which are movable upwardly and downwardly but are horizontally constrained unmovably by the inner walls of the housing 8.
  • Jacks 13a, 13b, 13c, and 13d are supported by brackets 20, 20′, which in turn are provided, as shown, on the upper and lower portions on both sides of the housing 8. These jacks are operated so as to turn the upper and lower backup roll bearing cases 7, 7′ on the same horizontal planes about their common vertical axis.
  • the brackets 20, 20′ combine with the jacks 13a to 13d to constitute roll-crossing devices disposed in the housing 8.
  • the numeral 15 designates a cylinder for balancing the inner housing, mounted on top of the housing 8, with a rod 14 suspending the top roll assembly.
  • Radial bearings 16, 16′ for the work rolls 2, 2′ are supported themselves by the work roll chocks 6, 6′.
  • the work rolls 2, 2′ (Fig. 3 showing only the roll 2′ for simplicity) are supported at one ends by thrust pads 18 through thrust bearings 17.
  • the thrust pads 18 are secured to the upper and lower backup roll bearing cases 7, 7′ with chock plates 19.
  • the line V-V be the centerline of width of a slab or strip being passed through the rolls (hereinafter called the "passing line")
  • the line X-X be a straight line that extends across the middle point of length of the rolls and parallel to the passing line V-V
  • the line Y-Y be a straight line at right angles to the line X-X
  • the intersection of the passing line V-V and the line Y-Y be W.
  • the initial roll gaps ⁇ 1, ⁇ 2 between the upper and lower work rolls 2, 2′ can be adjusted by suitably operating the left and right screw-down devices 11. Also, proper control of the roll-bending forces F1, F2 is made possible by the roll-bending devices 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Metal Rolling (AREA)

Claims (2)

1. Laminoir quarto du type à cylindres appariés croisés, comprenant un bâti (8), des boîtiers de support (7,7′) pour des cylindres d'appui inférieur et supérieur maintenus dans le bâti (8), des poutres de compensation supérieure et inférieure (21,21′) en contact, respectivement, avec les surfaces les plus supérieures et les plus inférieures desdits boîtiers de support (7,7′) et conçues toutes les deux mobiles vers le haut et vers le bas, des paires de cylindres de travail (2,2′) et de cylindres d'appui (3,3′) dans un agencement quarto, des empoises (6,6′) de cylindres de travail inférieure et supérieure, des moyens de croisement des cylindres (13a à d) montés dans ledit bâti (8) pour faire tourner lesdites empoises et lesdits boîtiers de support (6,6′) et (7,7′) autour d'un axe vertical commun dans le même plan horizontal, de sorte que lesdites paires de cylindres supérieure et inférieure peuvent se croiser, et des moyens (4,11) pour régler séparément les intervalles à gauche et à droite (E₁,E₂) entre lesdits cylindres de travail inférieur et supérieur (2,2′),
caractérisé en ce que l'on dispose de telles poutres de compensation (21,21′), respectivement, qui sont, horizontalement, retenues immobiles par les parois internes du bâti (8), lesdits boîtiers de support (7,7′) étant guidés dans la direction de déplacement de l'acier à rouler, et en ce que les moyens de croisement des cylindres (13a à d) agissent directement sur les boîtiers de support (7,7′) des cylindres d'appui (3,3′) et, via les boîtiers de support (7,7′), indirectement sur les empoises (6,6′) des cylindres de travail (2,2′).
2. Laminoir quarto selon la revendication 1,
qui de plus comprend des moyens (5) de cintrage des cylindres de travail montés aux deux extrémités desdits cylindres de travail.
EP19810730074 1981-08-17 1981-08-17 Laminoir à 4 cylindres du type à cylindres croisés Expired EP0072385B2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE8181730074T DE3170718D1 (en) 1981-08-17 1981-08-17 Four high mill of paired-roll-crossing type
EP19810730074 EP0072385B2 (fr) 1981-08-17 1981-08-17 Laminoir à 4 cylindres du type à cylindres croisés

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19810730074 EP0072385B2 (fr) 1981-08-17 1981-08-17 Laminoir à 4 cylindres du type à cylindres croisés

Publications (3)

Publication Number Publication Date
EP0072385A1 EP0072385A1 (fr) 1983-02-23
EP0072385B1 EP0072385B1 (fr) 1985-05-29
EP0072385B2 true EP0072385B2 (fr) 1992-01-22

Family

ID=8188638

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810730074 Expired EP0072385B2 (fr) 1981-08-17 1981-08-17 Laminoir à 4 cylindres du type à cylindres croisés

Country Status (2)

Country Link
EP (1) EP0072385B2 (fr)
DE (1) DE3170718D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3811847A1 (de) * 1987-04-08 1988-10-20 Hitachi Ltd Verfahren zur regelung der arbeitswalzen-versetzung in einem walzgeruest
DE4447382C2 (de) * 1994-12-22 1999-08-12 Mannesmann Ag Walzgerüst zum Walzen von Blechen und Bändern
CN104209330B (zh) * 2014-08-14 2016-05-11 湖州倍格曼新材料有限公司 用于生产带材的成型装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE459138C (de) * 1926-07-18 1928-04-26 E H Rudolf Kronenberg Dr Ing Walzwerk
CH295443A (fr) * 1950-11-01 1953-12-31 Carding Spec Canada Dispositif pour répartir un effort de pression exercé entre les deux rouleaux d'une paire de rouleaux de pression.
US2961901A (en) * 1956-01-16 1960-11-29 Francis J Klempay Automatic control for adjusting rolling mills
GB1054999A (fr) * 1964-11-16
US4212504A (en) * 1979-02-26 1980-07-15 Bakanov Anatoly I Backing device for a working roll of a roll stand

Also Published As

Publication number Publication date
EP0072385B1 (fr) 1985-05-29
DE3170718D1 (en) 1985-07-04
EP0072385A1 (fr) 1983-02-23

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