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EP2017018B1 - Procédé destiné à la fabrication de fils en acier et laminoir de fils d'acier - Google Patents

Procédé destiné à la fabrication de fils en acier et laminoir de fils d'acier Download PDF

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Publication number
EP2017018B1
EP2017018B1 EP08009059A EP08009059A EP2017018B1 EP 2017018 B1 EP2017018 B1 EP 2017018B1 EP 08009059 A EP08009059 A EP 08009059A EP 08009059 A EP08009059 A EP 08009059A EP 2017018 B1 EP2017018 B1 EP 2017018B1
Authority
EP
European Patent Office
Prior art keywords
wire
driver
cooling
loop
soaking section
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.)
Not-in-force
Application number
EP08009059A
Other languages
German (de)
English (en)
Other versions
EP2017018A1 (fr
Inventor
Peter Haak
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 Meer 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 Meer GmbH filed Critical SMS Meer GmbH
Publication of EP2017018A1 publication Critical patent/EP2017018A1/fr
Application granted granted Critical
Publication of EP2017018B1 publication Critical patent/EP2017018B1/fr
Not-in-force 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
    • B21B41/00—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters
    • B21B41/08—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters without overall change in the general direction of movement of the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/26—Special arrangements with regard to simultaneous or subsequent treatment of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C49/00—Devices for temporarily accumulating material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B2015/0057—Coiling the rolled product

Definitions

  • the invention relates to a method for producing wire, in which the wire is rolled in at least one finishing stand of a wire rolling mill, wherein the rolled wire passes behind the final finishing stand in the conveying direction a cooling and / or compensation path, wherein the wire by a at the end of Cooling and / or balancing path arranged first driver is pulled through the cooling and / or balancing section and wherein in the conveying direction behind the first driver a a Windungsleger for the wire, with which it can be stored in turns, upstream second driver is arranged. Furthermore, the invention relates to a wire rolling mill for carrying out the method. Such a method and wire rolling mill are by the DE 3601 753 A1 known.
  • the wire In wire rolling, in a final rolling process, the wire is rolled in a finishing block from a number of finishing stands and brought to the final desired wire diameter. The wire then passes through a cooling and equalizing section before being laid in turns by means of a layer.
  • FIG. 1 Shown is a part of a wire rolling mill 3, of which in particular a finished block with a number finishing stands 2 can be seen.
  • the wire 1 is finally rolled in the finishing stands 2. He leaves the finished block in the conveying direction F at a speed v D. Behind the finished block, the wire 1 enters a cooling and equalizing section 4.
  • a driver 5 is arranged, which pulls the wire 1 through the cooling and balancing section 4.
  • a Windungsleger 6 is arranged, which deposits the wire 1 in a known manner in turns.
  • Fig. 2 differs from the one after Fig. 1 essentially only in that a further driver 5 is arranged here within the cooling and equalizing section 4, which keeps the wire 1 under tension as it passes the cooling and equalizing section 4.
  • the wire 1 in the area of the driver 5 and the turntable 6 has the speed v D , with the wire 1 leaves the finished block.
  • the wire 1 thus leaves the finished block or its finishing stands 2 at the speed v D , which, however, is not absolutely constant. Rather, the velocity v D fluctuates around an average value.
  • This variation in speed results in that the shed shape of the wire is not optimal, that is, the winding diameter of the wire 1 laid down by the layer is not constant, since the layer rotates at a constant speed, but the wire has a non-constant speed when entering the layer.
  • the invention is therefore based on the object to provide a method and an associated wire rolling mill, with which it is possible to achieve an improved shingling of the laid wire from the layer, in particular to deposit the wire with a very constant winding diameter.
  • the solution of this problem by the invention according to the method is characterized in that the arranged before the Windungsleger second driver is operated so that the wire between the two drivers forms a loop with a measured from the straight nominal line loop height.
  • the drive of the second driver can be controlled so that the loop height is within a predetermined range of values.
  • the drive speed of the Windungslegers is further controlled or regulated in dependence on the conveying speed of the second driver.
  • the wire is held in the cooling and / or compensation path between the last finishing stand and the first driver of this preferably under a predetermined train. Furthermore, it can be provided that within the cooling and / or compensation path, a further driver is arranged, which exerts a tensile force on the wire.
  • the proposed wire rolling mill is characterized according to the invention in that the second driver arranged in front of the layer is drivable so that the wire between the two drivers forms a loop with a loop height measured from the straight nominal line.
  • control means for detecting the loop height of the loop are provided. Furthermore, control means are advantageously present which are connected to the measuring means and can influence a drive motor for the second driver.
  • the control means may also influence a drive motor of the layer, so that in this way a synchronization of the operating speed of the second driver and the Windungslegers can be made.
  • the rolling process is thus decoupled from the laying process.
  • Fig. 3 is a section of a wire rolling mill 3 to see, which is constructed analogously to the solution described above according to the prior art (s. Fig. 1 and 2 ).
  • the wire 1 leaves in the conveying direction F the finishing stands 2 of a finished block in order to reach a cooling and equalizing section 4.
  • the wire 1 is pulled by the cooling and equalizing section 4 by means of a first driver 5; the driver 5 holds the wire 1 when passing the cooling and balancing section 4 under train.
  • the driving speed of the first driver 5 is determined by the wire speed V D of the wire 1 behind the finished block.
  • the wire 1 has the velocity V D , which is not constant, but fluctuates around an average value.
  • Behind the cooling and equalizing section 4 of the wire 1 enters a Windungsleger 6, which deposits it in a known manner in turns, z. B. on a conveyor belt.
  • a second driver 7 is arranged in the conveying direction F behind the first driver 5 and before the Windungsleger 6.
  • the two drivers 5 and 7 are spaced apart.
  • the second driver 7 is selectively operated so that the wire 1 between the two drivers 5 and 7 forms a loop 8.
  • the loop 8 has a loop height H, which is measured from the straight line or ideal line 9 from.
  • the second driver 7 conveys the wire 1 at a speed V T , which is kept substantially constant and on account of which the winding diameter of the wire results when it is laid down by the layer 6. Namely, the second driver 7 is operated at a constant speed V T , wherein the drive speed of the coil former 6 is coupled to the drive speed of the second driver 7.
  • Fig. 4 Details are in Fig. 4 shown.
  • the wire 1 is not guided linearly along the reference line 9 between the two drivers 5 and 7, but curved, so that the loop 8 is formed.
  • the loop 8 has a loop height H, which may move between a predeterminable minimum value H min and a maximum value H max .
  • the respective courses of the wire 1 are shown with dashed lines.
  • the current value of the loop height H is determined by means of a measuring means 10, in which it is z. B. can act to a light barrier, which can measure the maximum deflection of the wire 1 from the target line 9.
  • the value determined by the measuring means 10 for the loop height H is fed to a control means 11.
  • the control means 11 drive a drive motor 12 for the second driver 7 so that the loop height H is within the allowable range. If the value of the loop height becomes too large, the drive motor 12 is caused to rotate faster, and if the value becomes too small, the drive motor 12 becomes slower. The loop height H is thus kept in the closed loop at a desired value.
  • control means 11 can also take corresponding effect on the drive of the Windungslegers 6, so that the operating speeds of the second driver 7 and that of the Windungslegers 6 are synchronized. The result is laid turns with uniform winding diameter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Metal Rolling (AREA)

Claims (10)

  1. Procédé de fabrication de fil de fer (1), dans lequel le fil de fer (1) est laminé dans au moins une cage finisseuse (2) d'un laminoir de fil de fer (3), le fil de fer laminé (1) passant derrière la cage finisseuse (2) qui est la dernière dans le sens de convoyage (F) dans un segment de refroidissement et/ou d'équilibrage (4), le fil de fer (1) étant tiré par un premier pilote (5) disposé au bout du segment de refroidissement et/ou d'équilibrage (4) à travers le segment de refroidissement et/ou d'équilibrage (4) et un second pilote (7) installé en amont d'un poseur de spires (6) pour le fil de fer (1) et grâce auquel il peut être déposé en spires étant disposé derrière le premier pilote (5),
    caractérisé en ce que
    le second pilote (7) installé en amont du poseur de spires (6) fonctionne de manière à ce que le fil de fer (1) forme entre les deux pilotes (5, 7) une boucle (8) présentant une hauteur de boucle (H) mesurée depuis la ligne droite théorique (9).
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    l'organe de commande du second pilote (7) est régulé de manière à ce que la hauteur de boucle (H) se situe dans une plage de valeurs prédéfinie (Hmin, Hmax).
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    la vitesse de propulsion du poseur de spires (6) est commandée ou régulée en fonction de la vitesse de convoyage (VT) du second pilote (7)
  4. Procédé selon une des revendications 1 à 3,
    caractérisé en ce que
    le fil de fer (1) est maintenu dans le segment de refroidissement et/ou d'équilibrage (4) entre la dernière cage finisseuse (2) et le premier pilote (5) par celui-ci sous une traction prédéfinie.
  5. Procédé selon une des revendications 1 à 4,
    caractérisé en ce que
    dans le segment de refroidissement et/ou d'équilibrage (4) est disposé un autre pilote (5) qui exerce une force de traction sur le fil de fer (1).
  6. Laminoir de fil de fer (3) comportant au moins une cage finisseuse (2) pour le laminage du fil de fer (1), un segment de refroidissement et/ou d'équilibrage (4) étant disposé derrière la cage finisseuse (2) qui est la dernière dans le sens de convoyage (F), étant disposé bout du segment de refroidissement et/ou d'équilibrage (4) un premier pilote (5) grâce auquel le fil de fer (1) peut être tiré à travers le segment de refroidissement et/ou d'équilibrage (3) et un second pilote (7) installé en amont d'un poseur de spires (6) pour le fil de fer (1) étant disposé dans le sens de convoyage (F) derrière le premier pilote, notamment pour la réalisation du procédé selon une des revendications 1 à 5,
    caractérisé en ce que
    le second pilote (7) installé en amont du poseur de spires (6) peut être entraîné de manière à ce que le fil de fer (1) forme entre les deux pilotes (5, 7) une boucle (8) présentant une hauteur de boucle (H) mesurée depuis la ligne droite théorique (9).
  7. Laminoir de fil de fer selon la revendication 6,
    caractérisé par
    des moyens de mesure (10) pour l'enregistrement de la hauteur de boucle (H) de la boucle (8).
  8. Laminoir de fil de fer selon la revendication 7,
    caractérisé par
    des moyens de réglage (11) qui sont en liaison avec les moyens de mesure (10) et sont associés à un moteur d'entraînement (12) pour le second pilote (7).
  9. Laminoir de fil de fer selon la revendication 8, caractérisé en ce que
    des moyens de réglage (11) sont associés à un moteur d'entraînement (12) du poseur de spires (6).
  10. Laminoir de fil de fer selon une des revendications 6 à 9,
    caractérisé en ce que,
    dans le segment de refroidissement et/ou d'équilibrage (4) est disposé un autre pilote (5).
EP08009059A 2007-07-16 2008-05-16 Procédé destiné à la fabrication de fils en acier et laminoir de fils d'acier Not-in-force EP2017018B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007032987A DE102007032987A1 (de) 2007-07-16 2007-07-16 Verfahren zum Herstellen von Draht und Drahtwalzwerk

Publications (2)

Publication Number Publication Date
EP2017018A1 EP2017018A1 (fr) 2009-01-21
EP2017018B1 true EP2017018B1 (fr) 2012-04-18

Family

ID=39512580

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08009059A Not-in-force EP2017018B1 (fr) 2007-07-16 2008-05-16 Procédé destiné à la fabrication de fils en acier et laminoir de fils d'acier

Country Status (4)

Country Link
US (1) US8375760B2 (fr)
EP (1) EP2017018B1 (fr)
AT (1) ATE553862T1 (fr)
DE (1) DE102007032987A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104384218B (zh) * 2014-10-14 2017-05-31 西南铝业（集团）有限责任公司 挤压机生产工艺
CN112157121B (zh) * 2020-09-25 2022-07-19 攀钢集团研究院有限公司 30MnSi热轧盘条的制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2437684C2 (de) * 1974-08-05 1982-09-02 SMS Schloemann-Siemag AG, 4000 Düsseldorf Walzwerk zur Herstellung von Draht und Rippenstahl
DE3039101A1 (de) * 1980-10-16 1982-05-13 Schloemann-Siemag AG, 4000 Düsseldorf Anordnung einer kontinuierlich arbeitenden feinstahl-drahtwalzstrasse zum auswalzen von draht oder rundquerschnitten aus edelstaehlen oder hochwertigen legierungen
DD239805B1 (de) 1985-07-29 1988-06-22 Thaelmann Schwermaschbau Veb Verfahren zur herstellung eines betonstahles
GB8524081D0 (en) * 1985-09-30 1985-11-06 Babcock Wire Equipment Transfer means
DE3628151A1 (de) * 1986-08-19 1988-02-25 Siemens Ag Positionierungsanordnung fuer das einem windungsleger einer drahtwalzstrasse zugefuehrte walzmaterial
ATE82882T1 (de) * 1987-09-12 1992-12-15 Hamburger Stahlwerke Gmbh Drahtwalzwerk.
DE3929287A1 (de) * 1989-09-04 1991-03-21 Interlot Gmbh Verfahren und vorrichtung zum herstellen von loetstaeben mit einem kupferanteil
DE19725774A1 (de) 1997-06-18 1998-12-24 Schloemann Siemag Ag Vorrichtung zur Bildung von Schlingen aus einem aus einer Walzdrahtstraße austretenden Drahtstrang mittels eines rotierenden Schlingenlegers
US5934536A (en) * 1998-03-04 1999-08-10 Morgan Construction Company Adjustable turndown apparatus

Also Published As

Publication number Publication date
EP2017018A1 (fr) 2009-01-21
DE102007032987A1 (de) 2009-01-22
ATE553862T1 (de) 2012-05-15
US8375760B2 (en) 2013-02-19
US20090019910A1 (en) 2009-01-22

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