EP1425426B1 - Vorrichtung zum vergüten von walzgut mit grosser länge - Google Patents

Vorrichtung zum vergüten von walzgut mit grosser länge Download PDF

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Publication number
EP1425426B1
EP1425426B1 EP02797886A EP02797886A EP1425426B1 EP 1425426 B1 EP1425426 B1 EP 1425426B1 EP 02797886 A EP02797886 A EP 02797886A EP 02797886 A EP02797886 A EP 02797886A EP 1425426 B1 EP1425426 B1 EP 1425426B1
Authority
EP
European Patent Office
Prior art keywords
rolled material
cooling
rail
hardening
roller conveyor
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
EP02797886A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1425426A2 (de
Inventor
Norbert Köck
Rainer Wahn
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.)
Voestalpine Rail Technology GmbH
Original Assignee
Voestalpine Schienen 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 Voestalpine Schienen GmbH filed Critical Voestalpine Schienen GmbH
Publication of EP1425426A2 publication Critical patent/EP1425426A2/de
Application granted granted Critical
Publication of EP1425426B1 publication Critical patent/EP1425426B1/de
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
    • 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
    • B21B39/004—Transverse moving
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/023—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes by immersion in a bath
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath quenching
    • 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
    • B21B1/085—Rail 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
    • B21B39/14—Guiding, positioning or aligning work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B43/00—Cooling beds, whether stationary or moving; Means specially associated with cooling beds, e.g. for braking work or for transferring it to or from the bed
    • B21B43/003—Transfer to bed
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/02—Edge parts
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0006—Details, accessories not peculiar to any of the following furnaces
    • C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
    • C21D9/06—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails with diminished tendency to become wavy

Definitions

  • the invention relates to a device for hardening of rolling stock with a large longitudinal extent at high throughput. More specifically, the invention relates to a device for thermal annealing of at least parts of the cross-section over the longitudinal extent of profiled rolling produced in sequence from the rolling heat, in particular for hardening at least the head of rails with a length greater than 50 m and subsequent cooling to room temperature, consisting essentially of a roller table, a means for achsfrowenden alignment of the rolling stock, a means of transport with a support for the rolling stock for transverse displacement thereof, a hardening device with a manipulation arrangement and a cooling bed.
  • a rolling stock is usually subjected to a thermal tempering treatment, which takes place in an advantageous manner using the rolling heat.
  • This compensation which essentially causes an increase in the mechanical material properties, such as hardness, abrasion resistance and the like, can be carried out over the entire cross section or, as is usual in the case of a running rail, only over partial areas thereof.
  • the rolling stock or partial regions of the cross section thereof located in the austenitic microstructure state is immersed over the entire length in a cooling medium and in this way achieves structural transformation in the desired manner.
  • EP-0441766 B1 Devices for carrying out such compensation methods are known ( EP-0441766 B1 ) and have proven themselves in terms of improving the performance characteristics of railroad tracks quite well.
  • the thermal quenching requires a corresponding immersion time or residence time in the cooling fluid, so that the throughput is limited by the tempering device.
  • the maximum possible throughput through a dip-annealer with a Cooling tank limits the performance of the upstream rolling device.
  • Modern rolling mills with upstream heating furnaces in particular for continuous cast starting material, usually have possible rolling capacities which are greater than the throughput of known dip-annealing plants, so that the rolling power must be reduced in a sequential production of hardened rails.
  • the invention now aims to avoid the shortcomings and in particular the economic disadvantages of known thermal treatment facilities for rolling stock of the type mentioned and to provide a device which ensures high quality and good performance of the enforced rolling stock and has a high performance and it makes it possible to treat rod-shaped rod material, in particular rails of lengths over 50 m, from high-performance rolling mills using the rolling heat and to heat-treat the same.
  • the roller table comprises a device for positioning the in at least one cross-sectional area conveyed zuge felicitten rolling in the longitudinal direction and an associated alignment that the curing device arranged at least two side by side with in the longitudinal direction substantially parallel to the alignment
  • Liquid cooling means is formed with manipulators for movement of the rolling stock, that in addition to and parallel to the longitudinal extent of the liquid cooling devices, the laying area of the cooling bed is and that the transverse transport means at least two simultaneously between the roller table rollers movable support arms, each having at its ends disposed there Walzgutauflagen, these conditions on the support arms in the transverse direction of the directional position in the region of the roller table in the laying area of the cooling bed movable, lowered and can be raised so that only the supports the conveying plane of the roller table or Overhang the upper edge of the roller table.
  • the advantages achieved by the invention are, in particular, that in a simple manner with the device in sequence in the transverse transport region of the roller table rolling stock can be positioned and axially aligned with high accuracy, wherein by means of Walzgutauflagen the transverse transport simultaneously, so without Beeint foundedung the setting and the axial straightening process , a previously directed and provided Walzgut can be placed in the storage areas of the cooling devices or from these in the support area of the cooling bed or roller table directly on the cooling bed. It is important that only the Walzgutauflagen the movable between the roles Tragarame of the transverse conveyor over the upper level of the roller table rollers or their promotion level can be raised.
  • the device it is possible to arrange at least two curing devices on one side of the roller table, so that only one side a cooling bed is provided, which provides economic advantages.
  • a rolling stock positioned on the roller table and directed in alignment with the axis can be lifted from it by means of the supports of the support arms and stored, for example, in a storage area of a liquid cooling device designed as a manipulator. Thereafter, the transverse transport means is released for further Walzgutquertransporte, the manipulator alone and automatically set up the stored rolling stock in its cross-sectional position, at least partially bring in the cooling medium, dig out and can provide for transport to the cooling bed.
  • This invention essential separation of transverse transport of the rolling stock even over occupied cooling devices with ultimately a shelf on the cooling bed and an accurate insertion of the rolling stock in the cooling medium improves the accuracy of manipulation and the cooling treatment and leads reliably to hardened rolled products with constant high quality.
  • the performance or the throughput of the device when using two hardening devices next to each other is approximately doubled.
  • the dwell time can be favorably achieved shortened the rail on the roller table, the temperature control improved and, where appropriate, the system performance can be increased. Weiers, this situation is particularly well suited for a so-called "head down" vertical position of the rail by means of manipulators.
  • the bottom side and optionally have sideways effective, horizontally and vertically aligned stops for leveling and alignment of the rolling, especially when cooling of parts of the cross section of a rail a over the length of highly constant cooling and hardness distribution can be achieved, which promotes a quality assurance of the product.
  • FIG. 1 shows a device according to the invention with a hardening device 3 consisting of two liquid cooling devices 31 and 32, which are arranged between a roller table 1 and a cooling bed 4.
  • a hardening device 3 consisting of two liquid cooling devices 31 and 32, which are arranged between a roller table 1 and a cooling bed 4.
  • the head of the rail S is shown immersed in a cooling liquid 315.
  • the rail can be positioned in a dip tank 312 such that exactly only one forced head cooling of the same takes place.
  • stops 313 placed deeper below the surface of a cooling liquid 315, to cool the entire cross section of the rail in a forced manner.
  • a second liquid cooling device 32 stands by.
  • a rail S (not shown) coming from a roll train is positioned on the roller table 1 and can be aligned in alignment with the axis by an alignment means 2, optionally with an alignment ruler 21.
  • a transverse transport means 5 with support arms 51 and in each case one Walzgutauflage 52 is disposed in the region of the roller table 1 traceable. However, it is also possible to determine such a transverse transport means 5 in the region of the cooling bed.
  • a simultaneous displacement of the support arms 51 takes place in such a way that the rolling stock supports 52 arranged thereon raise the rail S from the roller table 1 in alignment while lifting it, and can transversely spend in the direction of the cooling bed 4. It is essential to the invention that in the course of a transverse transport only the Walzgutauflagen 52 of the transverse conveyor 5, even if the pads 52 are moved in the outermost region opposite, for example, when depositing a rail S, a storage area 41 of the cooling bed 4, a conveyor plane 11 of the roller table can project vertically.
  • a positioned and axially aligned rail S which is advantageous in two cross-sectional areas on the conveying plane 11 of the roller table 1, can now in this position by means of Walzgutierlage 52 lifted vertically and substantially horizontally or transversely to a standby liquid cooling device, in Fig. 1 position 32, are spent.
  • Such a cross-sectional position of the rail S on the Walzgutauflagen 52 is favorable for a takeover of the same and a "head down" vertical position by a manipulator 321, by means of which a lowering or insertion of the rail head can be done in a cooling liquid 325.
  • a manipulator 321 by means of which a lowering or insertion of the rail head can be done in a cooling liquid 325.
  • a lowering or insertion of the rail head can be done in a cooling liquid 325.
  • the dwell time of the rail in the cooling liquid 325 it may be clamped by means of hold-down means 324 and leveling stops 323 for stabilization.
  • the hardening device 3 can also be designed with more than two liquid cooling devices, at most a programmable control unit can advantageously be used for a production sequence.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Heat Treatment Of Articles (AREA)
  • Metal Rolling (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)
  • Laminated Bodies (AREA)
EP02797886A 2001-09-13 2002-09-12 Vorrichtung zum vergüten von walzgut mit grosser länge Expired - Lifetime EP1425426B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0144201A AT410549B (de) 2001-09-13 2001-09-13 Vorrichtung zum vergüten von walzgut mit grosser länge
AT14422001 2001-09-13
PCT/AT2002/000264 WO2003023076A2 (de) 2001-09-13 2002-09-12 Vorrichtung zum vergüten von walzgut mit grosser länge

Publications (2)

Publication Number Publication Date
EP1425426A2 EP1425426A2 (de) 2004-06-09
EP1425426B1 true EP1425426B1 (de) 2007-08-22

Family

ID=3688237

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02797886A Expired - Lifetime EP1425426B1 (de) 2001-09-13 2002-09-12 Vorrichtung zum vergüten von walzgut mit grosser länge

Country Status (18)

Country Link
US (2) US6689228B2 (ko)
EP (1) EP1425426B1 (ko)
JP (1) JP4176635B2 (ko)
KR (1) KR100629030B1 (ko)
CN (1) CN1276102C (ko)
AT (2) AT410549B (ko)
AU (1) AU2002332945B2 (ko)
BR (1) BR0212448B1 (ko)
CA (1) CA2460493C (ko)
DE (1) DE50210776D1 (ko)
ES (1) ES2290357T3 (ko)
HR (1) HRP20040245A2 (ko)
HU (1) HU226551B1 (ko)
MX (1) MXPA04002310A (ko)
PL (1) PL197074B1 (ko)
RU (1) RU2275434C2 (ko)
UA (1) UA73688C2 (ko)
WO (1) WO2003023076A2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU190143U1 (ru) * 2018-12-29 2019-06-21 Федеральное государственное автономное образовательное учреждение высшего образования "Южно-Уральский государственный университет (национальный исследовательский университет)" (ФГАОУ ВО "ЮУрГУ (НИУ)") Упор прокатного стана

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT410549B (de) * 2001-09-13 2003-05-26 Voest Alpine Schienen Gmbh & C Vorrichtung zum vergüten von walzgut mit grosser länge
AT505930B1 (de) 2008-02-04 2009-05-15 Voestalpine Schienen Gmbh Einrichtung zum härten von schienen
IT1392174B1 (it) * 2008-12-05 2012-02-22 Danieli Off Mecc Macchina di manipolazione rotaie e relativo processo di manipolazione
ITMI20090892A1 (it) * 2009-05-20 2010-11-21 Danieli Off Mecc Vasca di raffreddamento per rotaie
CN102245322B (zh) * 2009-06-23 2014-10-22 Sms西马格股份公司 用于加工板坯的方法以及装置
AT512792B1 (de) * 2012-09-11 2013-11-15 Voestalpine Schienen Gmbh Verfahren zur Herstellung von bainitischen Schienenstählen
DE102012020844A1 (de) 2012-10-24 2014-04-24 Thyssenkrupp Gft Gleistechnik Gmbh Verfahren zur thermomechanischen Behandlung von warmgewalzten Profilen
EP2781608B1 (en) 2013-03-22 2015-10-28 Primetals Technologies Italy S.R.L. System for thermal treatment of rails
CN105002333A (zh) * 2015-08-11 2015-10-28 无锡乐华自动化科技有限公司 一种高效淬火水冷自动化设备
CN105018692A (zh) * 2015-08-11 2015-11-04 无锡乐华自动化科技有限公司 一种高性能淬火自动化设备
CN108593332A (zh) * 2018-06-29 2018-09-28 机械科学研究总院海西（福建）分院有限公司 自动取样机器人、包含其的棒材自动取样设备及取样方法
JP7231471B2 (ja) * 2019-04-23 2023-03-01 リョービ株式会社 焼入装置および焼入方法
CN111850257B (zh) * 2019-04-29 2021-12-28 无锡福爱尔金属科技有限公司 一种金属材料处理系统
CN115627429B (zh) * 2022-10-24 2023-08-04 中际同创电子科技(江苏)有限公司 一种铝镁合金锭的无压渗透铸造用淬火装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4003363C1 (en) 1990-02-05 1991-03-28 Voest-Alpine Industrieanlagenbau Ges.M.B.H., Linz, At Hardening rails from rolling temp. - using appts. with manipulator engaging rail from exit roller table with support arms positioned pivotably on each side
IN191289B (ko) * 1994-07-19 2003-11-01 Voest Alpine Schienen Gmbh
US6336980B1 (en) * 1999-05-21 2002-01-08 Danieli Technology, Inc. Method for in-line heat treatment of hot rolled stock
AT409268B (de) * 2000-05-29 2002-07-25 Voest Alpine Schienen Gmbh & C Verfahren und einrichtung zum härten von schienen
AT410549B (de) * 2001-09-13 2003-05-26 Voest Alpine Schienen Gmbh & C Vorrichtung zum vergüten von walzgut mit grosser länge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU190143U1 (ru) * 2018-12-29 2019-06-21 Федеральное государственное автономное образовательное учреждение высшего образования "Южно-Уральский государственный университет (национальный исследовательский университет)" (ФГАОУ ВО "ЮУрГУ (НИУ)") Упор прокатного стана

Also Published As

Publication number Publication date
US6689228B2 (en) 2004-02-10
UA73688C2 (en) 2005-08-15
MXPA04002310A (es) 2005-04-08
US20030047852A1 (en) 2003-03-13
EP1425426A2 (de) 2004-06-09
US20040113334A1 (en) 2004-06-17
ES2290357T3 (es) 2008-02-16
HRP20040245A2 (en) 2005-02-28
JP2005501972A (ja) 2005-01-20
HUP0401703A2 (en) 2004-11-29
CA2460493C (en) 2010-11-30
KR100629030B1 (ko) 2006-09-26
PL197074B1 (pl) 2008-02-29
AU2002332945B2 (en) 2005-10-20
DE50210776D1 (de) 2007-10-04
WO2003023076A3 (de) 2003-09-12
BR0212448A (pt) 2004-08-17
CN1276102C (zh) 2006-09-20
BR0212448B1 (pt) 2011-04-19
ATE371045T1 (de) 2007-09-15
HU226551B1 (en) 2009-03-30
CA2460493A1 (en) 2003-03-20
US6989063B2 (en) 2006-01-24
WO2003023076A2 (de) 2003-03-20
CN1555421A (zh) 2004-12-15
ATA14422001A (de) 2002-10-15
PL368648A1 (en) 2005-04-04
RU2275434C2 (ru) 2006-04-27
RU2004111003A (ru) 2005-06-10
JP4176635B2 (ja) 2008-11-05
AT410549B (de) 2003-05-26
KR20040047828A (ko) 2004-06-05

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