EP0653253B1 - Procédé pour laminer des profilés finis à partir d'ébanches par un arrangement de cages de laminoir à entraínement reversible - Google Patents

Procédé pour laminer des profilés finis à partir d'ébanches par un arrangement de cages de laminoir à entraínement reversible Download PDF

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Publication number
EP0653253B1
EP0653253B1 EP94116696A EP94116696A EP0653253B1 EP 0653253 B1 EP0653253 B1 EP 0653253B1 EP 94116696 A EP94116696 A EP 94116696A EP 94116696 A EP94116696 A EP 94116696A EP 0653253 B1 EP0653253 B1 EP 0653253B1
Authority
EP
European Patent Office
Prior art keywords
rolling
stand
profile member
section
universal
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 - Lifetime
Application number
EP94116696A
Other languages
German (de)
English (en)
Other versions
EP0653253A1 (fr
Inventor
Georg Engel
Dietmar Kosak
Lloyd Melvin Schmelzle
Michael Cygler
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 Siemag AG
Original Assignee
SMS Demag AG
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Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP0653253A1 publication Critical patent/EP0653253A1/fr
Application granted granted Critical
Publication of EP0653253B1 publication Critical patent/EP0653253B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B21B1/08—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 structural sections, i.e. work of special cross-section, e.g. angle steel
    • 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
    • B21B1/08—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 structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/14—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 structural sections, i.e. work of special cross-section, e.g. angle steel in a non-continuous process, i.e. at least one reversing stand
    • 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
    • B21B1/46—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 metal immediately subsequent to continuous casting
    • B21B1/466—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 metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before 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
    • B21B1/08—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 structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/088—H- or I-sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/20—Revolving, turning-over, or like manipulation of work, e.g. revolving in trio stands

Definitions

  • the invention relates to a method for rolling finished profiles from a preliminary profile by means of a reversing operation working roll stand arrangement, which is a compact rolling group forms, consisting of a first universal scaffold on the entrance side, an output-side second universal scaffold and one, between this universal scaffold arranged compression frame, being the Pre-profile is a profile coming from a continuous casting device, that corresponds to the later finished profile on both ends of a web Has reinforcements, and the dimensions of the preliminary profile specified dimensions, such as web height, web thickness and / or flange width of the finished profile to be rolled are coordinated so that this Pre-profile either directly into the first universal stand of the compact rolling group introduced and then in this to the finished profile the specified dimensions can be rolled or the web-like Section and / or the flange-like thickenings of the preliminary profile to achieve others from the original default of Web height, web thickness and / or dimensions deviating from the flange width of the finished profile to be rolled in the compact group before Introduction of the preliminary profile in the first universal stand of the
  • a disadvantage of the known method was that that the compact rolling group during the reducing roll deformation of the preliminary profile not for a finish rolling process was available and thus the achievable with the method Overall performance of the facility was limited and that further increases in performance primarily from an optimal adaptation of the Compound operation between the continuous casting device and that downstream of it Dependent on the rolling mill involved.
  • One of the main difficulties was that the Profile rolling mill must always be faster than the continuous casting device. This difficulty increases in the manufacture of smaller and lighter finished profiles because of decreasing Weights per meter of profile length also include the weights of the steel quantities sink in the profile rolling mill of the continuous casting can decrease in a unit of time. Add to that the rolling these small profiles consistently require more stitches than that Rolling larger profiles.
  • the object of the invention is the known method to improve so that significantly greater benefits and allow better utilization of the mill stand arrangement to be achieved with different profile requirements.
  • This object is achieved in that the reducing roll deformation of the preliminary profile in a parallel to the rolling line of the Compact rolling group running rolling line with free runout takes place and the reduced deformed pre-profile in one position directly in front of the compact rolling group, moved into it is introduced.
  • the parallel rolling line can be arranged a rolling device a, the flange-like reinforcements of the preliminary profile in the sense of a Compression of the web-like section of the preliminary profile Has vertical framework;
  • This vertical scaffold can, like that Invention further provides one, the web-like portion of the Be assigned to the pre-profile horizontal frame. It there is also the possibility of only one in the parallel rolling line to arrange such a horizontal scaffold and this a universal scaffold assign, whose rollers both the flange-like reinforcements as well as the web-like section of the preliminary profile capital.
  • the rolling line can be reversible Duo roughing stand as vertical or horizontal stand with preferably have smooth rollers, which a folding device for Profile strand is subordinate.
  • This arrangement offers the possibility with a roll stand either the flange-like Reinforcements of the preliminary profile in the sense of compressing the flange-like Section as well as the web-like section, by the profile strand after passing through the roughing stand folded by means of the edging device and then reversing one further passage is subjected; Repeated runs if necessary.
  • the first A horizontal rolling stand precedes the heating line for pre-deformation, especially the flange-like reinforcements of the warm, pre-cast profile.
  • FIG. 1 there is a vertical stand in a rolling line W1 VG arranged, and in the rolling line running parallel to it W2 the compact rolling group, which consists of the universal rolling stands U1 and U2 with a compression frame SG arranged between them.
  • the compact rolling group which consists of the universal rolling stands U1 and U2 with a compression frame SG arranged between them.
  • the from the heating furnace assigned to the rolling line 1 WHERE coming, not shown continuous casting pre-profiles are in the vertical scaffold VG compressed so far in its web height that you Chamber dimension is the chamber dimension of the universal stands U1 and U2 of the compact rolling group is adapted in the parallel rolling line W2. Practical Experiments showed that e.g. B.
  • the vertical scaffold VG requires only one caliber and the The resulting short rolling lengths allow the distance between the vertical stand VG and the first universal roll stand U1 Compact roller group U1, SG, U2 must be dimensioned accordingly short.
  • the arrangement of the rolling lines W1 and W2 in FIG. 2 corresponds to that of Figure 1; as well as those of the compact rolling group U1, SG, U2 and des Cross conveyor QF.
  • the vertical stand VG in the rolling line W1 is here only a horizontal scaffold downstream.
  • This horizontal scaffold HG also allows, if necessary, an additional charge to the web-like section of the preliminary profile and thereby enables the Achievement of a more favorable web / flange ratio of the preliminary profile for entry into the compact rolling group U1, SG, U2.
  • the Duo roughing stand as a vertical or horizontal stand preferably equipped with smooth rollers and is reversible
  • this framework the dash-dotted lines Edging device KV can be subordinated to it, as already described allows those emerging from the vertical scaffold VG Edging the profile strand and then reversing another Submit passage through the vertical scaffold VG.
  • the heating furnace WO also a dot-dash indicated horizontal scaffolding HVG can be arranged those coming from the continuous casting device, not shown, pre-deformed casting-warm profile strand in the manner already explained, before entering the WO heater.

Landscapes

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

Claims (5)

  1. Procédé pour le laminage de profilés finis à partir d'une ébauche de profilé au moyen d'un agencement à cages de laminage qui fonctionne en mode réversible et qui forme un groupe de laminage compact, comprenant une première cage universelle (U1) du côté entrée, une deuxième cage universelle (U2) du côté sortie, et une cage de refoulement (SG) agencée entre ces cages universelles, dans lequel l'ébauche de profilé est un profilé qui provient d'une unité d'extrusion et qui comporte aux deux extrémités de son âme des renforcements qui correspondent au profilé fini ultérieur, et on ajuste les dimensions de l'ébauche de profilé à des dimensions prédéterminées telles que la hauteur de l'âme, l'épaisseur de l'âme et/ou la largeur des brides du profilé fini à laminer de telle sorte que soit on introduit cette ébauche de profilé directement dans la première cage universelle (U1) du groupe de laminage compact et elle est susceptible alors d'être laminée dans celui-ci de manière finie pour donner le profilé fini avec les dimensions prédéterminées, soit on déforme par laminage à réduction le tronçon en forme d'âme et/ou les renforts en forme de bride de l'ébauche de profilé afin de réaliser d'autres dimensions, différentes des dimensions initiales concernant la hauteur de l'âme, l'épaisseur de l'âme et/ou la largeur des brides dans le profilé fini à laminer dans le groupe de laminage compact avant introduction de l'ébauche de profilé dans la première cage universelle (U1) du groupe de laminage compact, dans une unité de laminage agencée en amont de celui-ci et comprenant une cage à refoulement (VG),
    caractérisé en ce que la déformation par laminage à réduction a lieu dans une ligne de laminage (Wl), qui s'étend parallèlement à la ligne de laminage (W2) du groupe de laminage compact (U1, SG, U2) et qui présente une sortie libre, et en ce que l'ébauche de profilé est amenée dans une position immédiatement devant le groupe de laminage compact (U1, SG, U2) et par déplacement transversal jusque dans celui-ci.
  2. Procédé selon la revendication 1, caractérisé en ce que l'unité de laminage disposée en amont est constituée par une cage verticale (VG) qui attaque les renforts en forme de bride de l'ébauche de profilé dans le sens d'un refoulement du tronçon en forme d'âme de l'ébauche de profilé.
  3. Procédé selon la revendication 2, caractérisé en ce qu'à la cage verticale (VG) est associée une cage horizontale (HG) au moyen de laquelle on attaque le tronçon en forme d'âme de l'ébauche de profilé.
  4. Procédé selon l'une ou l'autre des revendications 2 et 3, caractérisée en ce que le profilé est laminé dans une cage verticale (VG) ou dans une cage horizontale (HG), réalisée sous forme de cage "duo", avec des cylindres lisses, et en ce que la barre de profilé est travaillée sur chant au moyen d'un dispositif de dressage.
  5. Procédé selon l'une des revendications 2 à 4, caractérisé en ce qu'il est prévu derrière l'unité d'extrusion un four (WO) agencé en amont de la première ligne de laminage (W1), et en ce que l'ébauche de profilé chaude provenant de l'extrusion est déformée au moyen d'une cage de laminage horizontale (HVG) disposée en amont du four (WO), en particulier dans ses renforts en forme de bride.
EP94116696A 1993-11-04 1994-10-22 Procédé pour laminer des profilés finis à partir d'ébanches par un arrangement de cages de laminoir à entraínement reversible Expired - Lifetime EP0653253B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4337555 1993-11-04
DE4337555A DE4337555A1 (de) 1993-11-04 1993-11-04 Verfahren zum Walzen von Fertigprofilen aus einem Vorprofil mittels einer im Reversierbetrieb arbeitenden Walzgerüst-Anordnung

Publications (2)

Publication Number Publication Date
EP0653253A1 EP0653253A1 (fr) 1995-05-17
EP0653253B1 true EP0653253B1 (fr) 2001-02-28

Family

ID=6501722

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94116696A Expired - Lifetime EP0653253B1 (fr) 1993-11-04 1994-10-22 Procédé pour laminer des profilés finis à partir d'ébanches par un arrangement de cages de laminoir à entraínement reversible

Country Status (9)

Country Link
EP (1) EP0653253B1 (fr)
JP (1) JPH07195101A (fr)
KR (1) KR100307130B1 (fr)
CN (1) CN1054785C (fr)
AT (1) ATE199331T1 (fr)
DE (2) DE4337555A1 (fr)
ES (1) ES2155077T3 (fr)
RU (1) RU2126302C1 (fr)
TW (1) TW288998B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH073408B2 (ja) * 1985-03-29 1995-01-18 日本鋼管株式会社 パイプラインの孔食検出装置
DE4415762A1 (de) * 1994-04-29 1995-11-02 Mannesmann Ag Verfahren und Vorrichtung zum Walzen von Trägern aus Vorprofilen
DE19512931A1 (de) * 1995-03-30 1996-10-02 Mannesmann Ag Universalgerüstgruppe und Verfahren zum Walzen von stranggegossenen Vorprofilen
DE19618437A1 (de) * 1996-05-08 1997-11-13 Schloemann Siemag Ag Verfahren zum Betreiben einer Walzgerüstanlage
DE19622740A1 (de) * 1996-06-07 1997-12-11 Schloemann Siemag Ag Verfahren zum Betreiben einer Walzgerüstanlage
DE19628369A1 (de) * 1996-07-13 1998-01-15 Schloemann Siemag Ag Verfahren zum Walzen von Fertigprofilen aus einem Vorprofil
DE19730598A1 (de) * 1997-07-17 1999-01-21 Schloemann Siemag Ag Verfahren zum Walzen von Fertigprofilen aus einem Vorprofil mittels, im Reversierbetrieb arbeitender Walzgerüstanordnungen
DE19729991A1 (de) * 1997-07-12 1999-01-14 Schloemann Siemag Ag Verfahren zum Gießen und Walzen und eine Walzgerüstanordnung zum Walzen von Fertigprofilen (Spundwandprofilen) aus einem endabmessungsnahen, aus einer Stranggußeinrichtung kommenden Vorprofil
DE19714216A1 (de) * 1997-04-07 1998-10-08 Schloemann Siemag Ag Walzenstraße zum Walzen von Flachstahl
IT1315029B1 (it) 2000-08-28 2003-01-27 Danieli Off Mecc Metodo e linea per la laminazione di rotaie o altre sezioni
DE102011121512A1 (de) * 2011-12-16 2013-06-20 Sms Meer Gmbh Winkelwalzen
RU2620212C1 (ru) * 2016-03-10 2017-05-23 Общество с ограниченной ответственностью "Инновационные металлургические технологии" (ООО "ИНМЕТ") Способ производства двутавровой балки и литейно-прокатный комплекс для его осуществления
WO2019142734A1 (fr) * 2018-01-19 2019-07-25 日本製鉄株式会社 Procédé de fabrication d'une poutre d'acier en h

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636478C2 (de) * 1986-10-27 1996-10-31 Schloemann Siemag Ag Verfahren zum Walzen von Fertigprofilen aus einem Vorprofil
US5009094A (en) * 1988-06-27 1991-04-23 Kawasaki Steel Corporation Method of rolling H-shaped steels
TW201835B (fr) * 1991-10-03 1993-03-11 Mitsubishi Electric Machine

Also Published As

Publication number Publication date
ES2155077T3 (es) 2001-05-01
CN1106320A (zh) 1995-08-09
ATE199331T1 (de) 2001-03-15
TW288998B (fr) 1996-10-21
KR950013597A (ko) 1995-06-15
DE59409664D1 (de) 2001-04-05
CN1054785C (zh) 2000-07-26
JPH07195101A (ja) 1995-08-01
EP0653253A1 (fr) 1995-05-17
RU94040144A (ru) 1996-09-10
RU2126302C1 (ru) 1999-02-20
DE4337555A1 (de) 1995-05-11
KR100307130B1 (ko) 2001-12-01

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