EP0560115B1 - Procédé et laminoir pour le laminage de précision de fil respectivement de produit laminé à section circulaire - Google Patents

Procédé et laminoir pour le laminage de précision de fil respectivement de produit laminé à section circulaire Download PDF

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Publication number
EP0560115B1
EP0560115B1 EP93102809A EP93102809A EP0560115B1 EP 0560115 B1 EP0560115 B1 EP 0560115B1 EP 93102809 A EP93102809 A EP 93102809A EP 93102809 A EP93102809 A EP 93102809A EP 0560115 B1 EP0560115 B1 EP 0560115B1
Authority
EP
European Patent Office
Prior art keywords
block
rolling
wire
finishing
train
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
EP93102809A
Other languages
German (de)
English (en)
Other versions
EP0560115A1 (fr
Inventor
Hubert Müller
Karl Keller
Paul Josef Dr. Mauk
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 Schloemann Siemag AG
Schloemann Siemag AG
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.)
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Application filed by SMS Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Publication of EP0560115A1 publication Critical patent/EP0560115A1/fr
Application granted granted Critical
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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
    • 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
    • B21B1/16—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 wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B21B1/18—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 wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/02—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills

Definitions

  • the invention relates to a method and a rolling mill for rolling out wire with a round cross-section made of stainless steel or other alloy steel in a high-performance wire mill with in each case several roughing stands comprising a roughing mill, at least one intermediate mill and with one finishing mill block, the finishing mill block being followed by a finish mill block and between the finish mill block and a roughing block, a cooling section and / or temperature compensation device is optionally arranged.
  • Modern high-performance fine steel / wire mills usually consist of a roughing mill, one or more intermediate mills and a finishing block for the rolling stock behind the furnace system.
  • the mill stands in the Vorstrasse and Eisenstrasse are robustly built and designed for high rolling demands.
  • Vor No there are generally single scaffolds.
  • In the intermediate line there are preferably compact stands with a horizontal / vertical arrangement of the rollers.
  • a finishing mill is understood to mean rolling machines that consist of several, usually six to ten, alternately offset 90 ° rolling units, which are housed in a cassette in the rolling line, and which are driven directly and jointly by a drive via a transfer case.
  • the cooling zones can be set Control in such a way that the required temperature profile is achieved in the rolling stock even at maximum rolling speed.
  • the rolling stock is air-cooled, for example, on a Stelmor system.
  • the Stelmor system At the end of the Stelmor system there is an adjustable drop step with subsequent chain transport.
  • the wire windings enter the bundle forming chambers via the chain transport.
  • the bundles formed are placed on a hook conveyor via a tipping chair unloading station and from there go into the binding machines and the dispatch.
  • the European patent application EP 0 512 735 A2 is concerned with the content of a method for producing wire rod in a roughing train, an intermediate train and a finishing train.
  • a roughing block is arranged behind the finishing train. Cooling devices or temperature compensation devices can be arranged between the end of the finishing train and the roughing block.
  • the roughing block consists of at least two reduction stands, which are followed by at least two precision stands.
  • the wire is rolled out in a round-round sequence in the two precision stands.
  • the rolling stock is reduced by 15 to 30% with standard passes.
  • a reduction of the round cross-section to the round cross-section between 2 and 15% is proposed within the roughing block and between the precision stands.
  • the object of the present invention is to further develop a rolling method and a rolling mill in order to be able to guarantee even the tightest wire tolerances with a high performance level of the rolling mill.
  • the object is further achieved by a rolling mill for rolling out wire with a round cross-section made of stainless steel or other alloy steel in a high-performance wire mill with a roughing mill each having a plurality of mill stands, at least one intermediate mill and with a finishing mill block, the finishing mill block being followed by a finish mill block and between the finish mill block and Post-rolling block, optionally, a cooling section and / or temperature compensation device is arranged, the post-rolling block consisting only of two stand cassettes and between the stand cassettes has a changeover gear for switching it to a skin pass or precision roll block, and the transmission ratio of the changeover gear in the range between 1: 1.25 up to 1: 1.15.
  • the generic fine steel / wire mill generally consists of a preheating chamber in which the pre-block to be rolled out, usually a billet, is preheated before it is heated to rolling temperature in a pusher furnace, for example.
  • the billet comes out of the pusher furnace after descaling the press water into a multi-stand roughing mill, in which the billet cross section is reduced to a round cross section.
  • Crank, cropping and chopping shears are usually installed after the roughing mill and are able to prepare the cropping end for the intermediate mill.
  • the rolling core passes through the intermediate line, in which the cross section of the round rolling stock is further reduced in several passes. Subsequently, after a renewed cropping of the roll ends, the roll core passes into the finishing roll block 1 shown schematically in FIG. 1.
  • the finishing mill 1 has ten swirl-free stand cassettes in a 45 ° arrangement.
  • the horizontal stand cassettes 16 are drawn in the schematic plan view perpendicular to the rolling core 5 and drawn out with a reinforced line.
  • the vertical stand cassettes 17 are shown as opposing rolling rings.
  • the finishing mill block 1 is connected to a transfer case 2, from which an output shaft 3 is laid to the horizontal stand cassettes and an output shaft 4 to the vertical stand cassettes.
  • the section of the fine steel / wire mill shown also shows a two-stand roughing block 6, the vertical stand cassette 6 'and the horizontal stand cassette 6' 'being arranged at a 90 ° angle to one another.
  • the finishing mill 1 and the finishing mill 6 are aligned with each other in the rolling line.
  • the roughing block 6 is connected to a manual transmission 7, from which an output shaft 8 is guided to the horizontal stand cassette and an output shaft 9 to the vertical stand cassette.
  • the input shafts 10, 11 of the transfer case 2 or of the manual transmission 7 are directly coupled to three DC motors 12 of the same power rating. The DC motors are used to drive the finishing block and the finishing block.
  • a water box 13 for cooling the rolling stock and a compensation section 14 for temperature compensation of the rolling stock are provided between the transfer case 2 and the manual transmission 7.
  • the roughing block 6 has a changeover gear 15 between the vertical stand cassette 6 'and the horizontal stand cassette 6''in order to be able to use the roughing block as a precision rolling stand if required.
  • the gear ratio of the changeover gear 15 is approximately 1: 1.25 to 1: 1.15. If the re-rolling block is used as a precision roll stand, the calibration of the rolls of the discharge stand or the stand cassette 6 '' is adapted to the specified precision roll.
  • a further water cooling section is optionally arranged, which was not shown in more detail, as well as a Stelmor system, a bundle forming chamber and a hook track for the cooled wire bundles that were prepared for dispatch.
  • the wire is then passed through the water tank 13, cooled in it and then passed through the temperature compensation section 14.
  • the temperature cooling and the temperature compensation are regulated depending on the wire alloy and the desired quality profile. If necessary, a cooling / compensation arrangement of the finishing block 1 can be switched on.
  • the wire then reaches the roughing block 6 and is rolled out in the first vertical stand cassette in a standard pass to initially 5 mm in diameter.
  • the rolling mill of the type defined here becomes even more adaptable to the different rolled product products and rolled material qualities by switching the post-rolling block into a precision rolling stand according to the invention.

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

Claims (3)

  1. Procédé pour le laminage de fil (5) présentant une section circulaire, constitué par de l'acier précieux ou un autre acier d'alliage dans un laminoir à fil à haut rendement présentant un train dégrossisseur constitué par plusieurs cages de laminage, au moins un train intermédiaire et un bloc finisseur (1), le bloc finisseur étant suivi d'un bloc de laminage postérieur (6) et une zone de refroidissement (13) et/ou un dispositif d'équilibrage de la température (14) étant disposé entre le bloc finisseur (1) et le bloc de laminage postérieur (6), le fil (5) étant laminé dans un bloc de laminage postérieur (6) à deux cages avec une réduction aux différentes passes nettement inférieure aux passes de réduction effectuées dans le train finisseur (1), le fil sortant du bloc finisseur (6) étant en outre laminé dans la première cage (6') du bloc de laminage postérieur (6) avec une passe standard puis le fil (5) étant laminé dans la cage d'évacuation (6'') du bloc de laminage postérieur (6) avec une réduction aux différentes passes nettement inférieure de 5 à 15 % par rapport à la réduction nécessaire auparavant.
  2. Laminoir pour le laminage de fil (5) présentant une section circulaire, constitué par de l'acier précieux ou un autre acier d'alliage dans un laminoir à fil à haut rendement présentant un train dégrossisseur constitué par plusieurs cages de laminage, au moins un train intermédiaire et un bloc finisseur (1), le bloc finisseur étant suivi d'un bloc de laminage postérieur (6) et une zone de refroidissement (13) et/ou un dispositif d'équilibrage de la température (14) étant disposé entre le bloc finisseur (1) et le bloc de laminage postérieur (6), le bloc de laminage postérieur (6) n'étant constitué que par deux châssis de cage (6', 6'') et présentant, entre les châssis de cage, un dispositif d'inversion (15) pour leur inversion sur un bloc de dressage ou de laminage de précision et le rapport de transmission du dispositif d'inversion (15) étant compris dans la plage comprise entre 1:1,25 et 1:1,15.
  3. Laminoir selon la revendication 2, caractérisé en ce que le calibrage des cylindres dans le bloc de laminage postérieur (6) peut être adapté au laminage de précision.
EP93102809A 1992-03-07 1993-02-24 Procédé et laminoir pour le laminage de précision de fil respectivement de produit laminé à section circulaire Expired - Lifetime EP0560115B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4207298A DE4207298A1 (de) 1992-03-07 1992-03-07 Verfahren und walzwerk zum praezisionswalzen von draht bzw. von walzgut mit rundquerschnitt
DE4207298 1992-03-07

Publications (2)

Publication Number Publication Date
EP0560115A1 EP0560115A1 (fr) 1993-09-15
EP0560115B1 true EP0560115B1 (fr) 1997-06-18

Family

ID=6453504

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93102809A Expired - Lifetime EP0560115B1 (fr) 1992-03-07 1993-02-24 Procédé et laminoir pour le laminage de précision de fil respectivement de produit laminé à section circulaire

Country Status (5)

Country Link
US (1) US5682785A (fr)
EP (1) EP0560115B1 (fr)
JP (1) JP3293933B2 (fr)
AT (1) ATE154527T1 (fr)
DE (2) DE4207298A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10032833B4 (de) * 1999-07-26 2010-04-01 Siemens Vai Metals Technologies Gmbh Walzwerksanlage

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4426930A1 (de) * 1994-07-29 1996-02-01 Schloemann Siemag Ag Feinstahlwalzwerk, insbesondere Drahtwalzwerk
DE19649022A1 (de) * 1996-11-27 1998-05-28 Schloemann Siemag Ag Drahtkühlung
AT406644B (de) 1997-11-14 2000-07-25 Voest Alpine Ind Anlagen Präzisionswalzverfahren
US6185972B1 (en) 1999-03-11 2001-02-13 Morgan Construction Company Rolling mill finishing section
DE102004048443B3 (de) * 2004-10-02 2005-12-01 C.D. Wälzholz-Brockhaus GmbH Verfahren zur walztechnischen Verformung von draht- und stabförmigem Vormaterial, Vorrichtung zur Durchführung des Verfahrens sowie nach dem Verfahren hergestelltes Flachprofil
ITMI20050428A1 (it) * 2005-03-16 2006-09-17 Vai Pomini Srl Monoblocco di laminazione con interrefrigerazione

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB216280A (en) * 1923-04-09 1924-05-29 Arthur Claud Page Improvements in or relating to shop blinds and the like
US1931912A (en) * 1930-04-08 1933-10-24 Aluminum Co Of America Method of forming aluminum
DE1073990B (fr) * 1954-10-15 1960-01-28
DE2437684C2 (de) * 1974-08-05 1982-09-02 SMS Schloemann-Siemag AG, 4000 Düsseldorf Walzwerk zur Herstellung von Draht und Rippenstahl
US4024746A (en) * 1975-01-28 1977-05-24 Demag Aktiengesellschaft Stand gearing arrangement for the rolls of a continuous rolling mill
US3992915A (en) * 1975-04-21 1976-11-23 Birdsboro Corporation Rolling mill
DE2920398A1 (de) * 1979-05-19 1980-11-20 Kocks Technik Walzblock zum warmwalzen von draht oder staeben
IT7922943V0 (it) * 1979-10-23 1979-10-23 Properzi Giulio Laminatoio continuo per vergella o filo metallico con piu' gruppi di laminazione in linea.
US4527408A (en) * 1983-10-31 1985-07-09 Morgan Construction Company Method and Apparatus for cooling and handling hot rolled steel rod in direct sequence with a high speed rolling operation
JPS60152302A (ja) * 1984-01-19 1985-08-10 Daido Steel Co Ltd 棒鋼の精密圧延方法
JPS6343702A (ja) * 1986-08-08 1988-02-24 Nippon Steel Corp 棒線材のサイジング圧延方法
ATE101065T1 (de) * 1986-10-20 1994-02-15 Schloemann Siemag Ag Fein- oder mittelstahlstrasse.
JP2687488B2 (ja) * 1987-10-30 1997-12-08 大同特殊鋼株式会社 サイジングミル及び丸棒材の圧延方法
EP0340505B1 (fr) * 1988-05-05 1994-03-02 Sms Schloemann-Siemag Aktiengesellschaft Mode opératoire et train de laminoirs pour laminer continuellement une matière à laminer profilée en une section transversale de dimensions exactes et données
DE3830101A1 (de) * 1988-09-05 1990-03-15 Schloemann Siemag Ag Verfahren zum betrieb eines stabstahlwalzwerkes mit auf einer walzlinie angeordneter kuehlstrecke zum thermomechanischen fertigwalzen und stabstahlwalzwerk zur durchfuehrung des verfahrens
EP0479749B1 (fr) * 1990-10-03 1995-03-01 Nippon Steel Corporation Méthode pour laminage de précision pour profilés longitudinaux, système de commande pour laminoir, dispositif pour serrage des cylindres, dispositif de fixation des cylindres
CA2066475C (fr) * 1991-05-06 1997-06-03 Terence M. Shore Methode et appareil de laminage a chaud en continu d'articles en metal ferreux de forme allongee

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10032833B4 (de) * 1999-07-26 2010-04-01 Siemens Vai Metals Technologies Gmbh Walzwerksanlage

Also Published As

Publication number Publication date
DE4207298A1 (de) 1993-09-09
JPH05337502A (ja) 1993-12-21
EP0560115A1 (fr) 1993-09-15
JP3293933B2 (ja) 2002-06-17
US5682785A (en) 1997-11-04
ATE154527T1 (de) 1997-07-15
DE59306757D1 (de) 1997-07-24

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