EP3362198A1 - Cage de laminoir et train de laminage pour laminer une matière métallique à laminer - Google Patents

Cage de laminoir et train de laminage pour laminer une matière métallique à laminer

Info

Publication number
EP3362198A1
EP3362198A1 EP16779121.9A EP16779121A EP3362198A1 EP 3362198 A1 EP3362198 A1 EP 3362198A1 EP 16779121 A EP16779121 A EP 16779121A EP 3362198 A1 EP3362198 A1 EP 3362198A1
Authority
EP
European Patent Office
Prior art keywords
rolling
stand
oil
oil film
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.)
Granted
Application number
EP16779121.9A
Other languages
German (de)
English (en)
Other versions
EP3362198B1 (fr
Inventor
Johannes Alken
Daniel Knie
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.)
SMS Group GmbH
Original Assignee
SMS Group GmbH
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 SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP3362198A1 publication Critical patent/EP3362198A1/fr
Application granted granted Critical
Publication of EP3362198B1 publication Critical patent/EP3362198B1/fr
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
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/07—Adaptation of roll neck bearings
    • B21B31/074—Oil film bearings, e.g. "Morgoil" bearings
    • 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
    • B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
    • B21B2203/24—Hydrostatic bearings or guides

Definitions

  • the invention relates to a rolling stand and a rolling train with a plurality of rolling stands for rolling metallic rolling.
  • the invention relates to the oil supply of the rolling stands.
  • the invention relates to both rolling mills for hot rolling as well
  • Roll stands for the cold rolling of metallic rolling stock.
  • oil film bearings e.g. Morgoil camp used. These transfer the necessary for rolling contact with an oil film on the rotating support roller.
  • the oil film storage of which there are in a standard rolling mill, for example, 28 pieces, a central lubricating oil supply in the basement. There, the oil flowing back from the bearings of the rolling stands is processed, ie cooled, demulsified, filtered and deaerated and stored.
  • the filling capacity of the tanks in the standard rolling mill with 7 stands is approx. 60 m 3 oil; The filling quantity usually depends on the required quantity for approx. 30 minutes
  • Oil foaming can be chemically dissolved. In practice, however, this has not been done because the purchase price of the necessary additives or synthetic oils, especially for the traditionally required large
  • the invention has the object of developing a known rolling mill and a known rolling mill for rolling metallic rolling to the effect that they are economically attractive for the use of said additives or of synthetic oil.
  • This task is for the rolling mill by the subject of the
  • Patent claim 1 solved. This is characterized in that the oil film bearings are quasi oil-loss operated operable, and that the rolling stand is assigned at least two tanks for its four oil film bearings for its two support rollers individually.
  • Oil losses per oil film storage less than 0.1 l / h, preferably even less than 0.01 l / h.
  • the amount of oil to be stored in the oil film bearings with the improved sealing technology is only 50% or less compared to the traditionally available oil quantity per rolling stand or per rolling train.
  • At least one of the tanks in a bearing housing too
  • the oil film warehouse be integrated.
  • the oil can be stored in the bearing housing.
  • the above object is further for a rolling mill through the
  • At least one of the rolling mills is designed according to one of the preceding claims.
  • at least two of the rolling mills of the rolling train are also formed quasi ⁇ lpanok and operable without water contamination and each only a single own tank for their four
  • Oil film bearing and preferably also have for their thrust bearings.
  • the tanks of the front rolling mills of the rolling train are filled with a first type of oil, which is specially designed for loads up to the load threshold.
  • the claimed decentralized oil supply of the individual stands offers the advantage that the size or the volumes of the tanks can be individually matched to the respective oil requirements of the individual stands. This can be particularly important in a rolling mill, where less oil must be stored for the relatively slow-moving front rolling stands than for the faster moving rear rolling stands. Every tank or each
  • Oil circuit can be a separate filter device for the oil and / or a
  • Fig. 1 shows a first embodiment for the assignment of the tanks to the
  • Fig. 2 shows a second embodiment for the assignment of the tanks to the
  • Fig. 3 shows a third embodiment for the assignment of the tanks to the
  • Fig. 5 shows a fourth embodiment for the assignment of a tank to the oil film bearings of a rolling mill.
  • the invention will be described in detail below with reference to the said figures in the form of embodiments.
  • the same technical elements are designated by the same reference numerals.
  • the reference numeral 140 is representative of all variants of the reference numeral, d. H. used for 140 ', 140 ", 140-1, 140-2, 140-1, 140-11, 140-111, and 140-IV
  • All of the figures show, by way of example, four-high rolling stands (100) each with a roll stand (100 ') on the drive side and a roll stand (100 ") on the operating side
  • Each roll stand has two support rolls, each with its four roll journals (1 10)
  • Each oil film bearing 120 has an oil feed 122 and at least one oil drain 124. The returns are returned to the tank and the feeds are fed from the respective tank.
  • Fig. 1 shows a first embodiment of the tank assembly on or on the rolling stand (100).
  • a first tank (140 ') for the two oil film bearings (120) of the upper and the lower Support roller provided on the roller stand (100 ') on the drive side.
  • the first tank (140 ') is preferably on top of the roll stand (100') on the drive side
  • Roller stand (100 ) is arranged on the operating side.
  • a first common tank (140-1) is provided for the two oil film bearings (120) of the upper backup roll on the drive side and the operating side of the mill stand.
  • a second common tank (140-2) for the two oil film bearings (120) of the lower support roller on the drive and the operating side is provided.
  • the first common tank (140-1) is preferably arranged on top of the roll stand (100 ') on the drive side or on top of the roll stand (100 ") on the operating side of the roll stand. 2).
  • Fig. 3 illustrates a third embodiment of the present invention, according to which each of the four oil film bearings (120) for the two support rollers each have their own tank (140-1, 140-11, 140-111 and 140-IV) is assigned individually.
  • the back-up rolls are typically stored not only in said oil film bearings designed to receive radial forces.
  • the roll necks of the backup rolls are typically also mounted in thrust bearings for receiving axial forces on the backup rolls.
  • the thrust bearings are typically located in the axial direction adjacent to the oil film bearings (120) shown herein.
  • the thrust bearings are typically connected to the same oil circuit as shown in the figures for the oil film bearings. This means that a thrust bearing in each case in the Oil circuit of its associated oil film bearing is integrated and is supplied by this with oil.
  • Fig. 4 shows a typical rolling mill for hot or cold rolling of
  • metallic rolling stock It consists essentially of a plurality of in a line one behind the other erected rolling stands (100). According to the invention, at least one of the rolling stands (100), but preferably all rolling stands are formed according to one of the previously described
  • Exemplary embodiments of a single roll stand can also be designed according to a fourth exemplary embodiment.
  • Fig. 5 illustrates this fourth embodiment of the tank assembly in a rolling stand. Accordingly, the mill stand (100) is assigned only a single tank for supplying the four oil film bearings (120) of the support rollers.
  • This tank (140) is preferably arranged on top of the mill stand (100 ') on the drive side or on top of the mill stand (100 ") on the operator side
  • the rear mills are designed only for payloads with T ⁇ Tsw at the same time, however, the rear stands are for larger ones
  • the tank volume to be kept per scaffold in the present invention is only 1-8 m 3 , ie with 4 oil film bearings per mill stand, an amount of only 0.25-2 m 3 per oil film storage.
  • this corresponds to less than 50% of the tank volume traditionally held centrally for a rolling mill.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Metal Rolling (AREA)

Abstract

L'invention concerne une cage de laminoir 100 et un train de laminage ayant une pluralité de cages de laminoir 100 disposées l'une derrière l'autre pour le laminage d'une matière métallique à laminer. Chaque cage de laminoir 100 présente un support de cylindre 100', 100'' du côté entraînement et du côté exploitation. Respectivement au moins deux cylindres d'appui et deux cylindres de travail 130 sont montés rotatifs sur les supports de cylindre 100', 100''. Les cylindres d'appui sont montés rotatifs, chacun de leurs tourillons 110 étant placé dans des paliers à film d'huile 120. Pour rendre une telle cage de laminoir intéressante économiquement également pour l'utilisation d'additifs pour le démoussage chimique d'huiles ou d'huile synthétique, les paliers à film d'huile sont conçus selon l'invention presque sans perte d'huile et au moins deux réservoirs 140', 140'' sont associés à la cage de laminoir individuellement pour les quatre paliers à film d'huile 120 de ses deux cylindres d'appui. Issue
EP16779121.9A 2015-10-13 2016-10-11 Cage de laminoir et train de laminage pour laminer une matière métallique à laminer Active EP3362198B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102015219864 2015-10-13
DE102015223770.2A DE102015223770A1 (de) 2015-10-13 2015-11-30 Walzgerüst und Walzstraße zum Walzen von metallischem Walzgut
PCT/EP2016/074356 WO2017064070A1 (fr) 2015-10-13 2016-10-11 Cage de laminoir et train de laminage pour laminer une matière métallique à laminer

Publications (2)

Publication Number Publication Date
EP3362198A1 true EP3362198A1 (fr) 2018-08-22
EP3362198B1 EP3362198B1 (fr) 2019-06-19

Family

ID=58405962

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16779121.9A Active EP3362198B1 (fr) 2015-10-13 2016-10-11 Cage de laminoir et train de laminage pour laminer une matière métallique à laminer

Country Status (4)

Country Link
EP (1) EP3362198B1 (fr)
JP (1) JP6651009B2 (fr)
DE (1) DE102015223770A1 (fr)
WO (1) WO2017064070A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7313768B2 (ja) * 2019-05-23 2023-07-25 スチールプランテック株式会社 圧延機、並びに圧延方法及びワークロールの運用方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101980A (en) * 1960-10-06 1963-08-27 Glacier Co Ltd Hydrodynamic bearing assembly
JPS5828643Y2 (ja) * 1977-04-18 1983-06-22 新日本製鐵株式会社 熱間圧延機
JPS617008A (ja) * 1984-06-22 1986-01-13 Kawasaki Steel Corp 圧延機のロ−ル軸受用潤滑油の供給温度制御方法およびその装置
JPS61165217A (ja) * 1985-01-14 1986-07-25 Kawasaki Steel Corp 圧延機の自動板厚制御方法
JPS62282715A (ja) * 1986-05-30 1987-12-08 Kawasaki Steel Corp 圧延機用ロ−ルの油膜軸受系統の異常診断方法
JP2000024709A (ja) * 1998-07-09 2000-01-25 Nippon Steel Corp 圧延用ロールネックシール
DE10305511B9 (de) * 2003-02-11 2005-01-27 Eduard Küsters Maschinenfabrik GmbH & Co. KG Walze
US7461532B2 (en) * 2005-02-08 2008-12-09 Morgan Construction Company Monitoring and alarm system for rolling mill oil film bearings
JP2008194721A (ja) * 2007-02-13 2008-08-28 Jfe Steel Kk 金属板の冷間圧延方法
JP5048028B2 (ja) * 2009-09-08 2012-10-17 新日本製鐵株式会社 圧延ロール軸受部に供給する潤滑油の冷却方法
CN201618725U (zh) 2010-01-11 2010-11-03 山东西王特钢有限公司 一种轧机轴承润滑装置
DE102012224511A1 (de) * 2012-12-28 2014-07-03 Sms Siemag Ag Einbaustück zum Lagern einer Walze in einem Walzenständer
CN203488955U (zh) * 2013-08-27 2014-03-19 天津市宇润德金属制品有限公司 用于轧机支承辊轴承座的润滑油加注循环系统

Also Published As

Publication number Publication date
JP6651009B2 (ja) 2020-02-19
EP3362198B1 (fr) 2019-06-19
JP2018530433A (ja) 2018-10-18
WO2017064070A1 (fr) 2017-04-20
DE102015223770A1 (de) 2017-04-13

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