EP1160341A3 - Process and apparatus for hardening rails - Google Patents

Process and apparatus for hardening rails Download PDF

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Publication number
EP1160341A3
EP1160341A3 EP01890152A EP01890152A EP1160341A3 EP 1160341 A3 EP1160341 A3 EP 1160341A3 EP 01890152 A EP01890152 A EP 01890152A EP 01890152 A EP01890152 A EP 01890152A EP 1160341 A3 EP1160341 A3 EP 1160341A3
Authority
EP
European Patent Office
Prior art keywords
rail
bending
austenitic
achieve
rails
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
EP01890152A
Other languages
German (de)
French (fr)
Other versions
EP1160341B1 (en
EP1160341A2 (en
Inventor
Norbert Köck
Peter Pointner
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3683291&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1160341(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voestalpine Schienen GmbH filed Critical Voestalpine Schienen GmbH
Priority to AT01890152T priority Critical patent/ATE306566T1/en
Publication of EP1160341A2 publication Critical patent/EP1160341A2/en
Publication of EP1160341A3 publication Critical patent/EP1160341A3/en
Application granted granted Critical
Publication of EP1160341B1 publication Critical patent/EP1160341B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • 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
    • C21D1/667—Quenching devices for spray quenching
    • 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
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • 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
    • C21D2221/01—End parts (e.g. leading, trailing end)
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

Die Erfindung befaßt sich mit einem Verfahren und einer Einrichtung zum Härten von Schienen oder zumindest des Schienenkopfes derselben durch verstärkte Kühlung mit einem Umwandeln des Gefüges von der austenitischen in eine gewünschte bei Raumtemperatur stabile Mikrostruktur.The invention relates to a method and a device for curing of rails or at least the rail head of the same by reinforced Cooling with a transformation of the structure from the austenitic to a desired at room temperature stable microstructure.

Um über die Schienenlänge eine gleichbleibende Gefügeverteilung im Schienenquerschnitt zu erreichen und hohe Schienengüte sicherzustellen, ist erfindungsgemäß verfahrenstechnisch vorgesehen, daß die Schiene im austenitischen Gefügezustand gerichtet, horizontal positioniert und achsfluchtend gegen Biegung gesichert eingespannt wird, worauf unter Aufrechterhaltung der Einspannung bzw. Verbiegungssicherung die Schiene und/oder zumindest ein Teil des Schienenquierschnittes von einer Temperatur, welche oberhalb desIn order to achieve a consistent microstructure distribution over the rail length To achieve rail cross-section and ensure high rail quality is provided procedurally according to the invention that the rail in the directed austenitic structure state, horizontally positioned and achsfluchtend secured against bending is clamped, while maintaining the Clamping or bending protection the rail and / or at least one part of the Schienenquierschnittes of a temperature which above the

AC3-Punktes der Legierung liegt, in an sich bekannter Weise zumindest zeitweise verstärkt abgekühlt und das Gefüge umwandeln gelassen werden.AC3 point of the alloy is, at least temporarily in a conventional manner cooled down and allowed to transform the structure.

Die erfindungsgemäße Einrichtung ist dadurch gekennzeichnet, daß das Schienenstützmittel als Tragkonstruktion (2) mit einer der Schiene (1) entsprechenden Längserstreckung und mit hohem Widerstandsmoment gegen Biegung sowie mit Positionierelementen (3) und/oder lösbaren Spannmitteln (4) für eine Festlegung der Schiene (1) gebildet ist.

Figure 00000001
The device according to the invention is characterized in that the rail support means as a supporting structure (2) with a longitudinal extension corresponding to the rail (1) and with high resistance to bending and with positioning elements (3) and / or releasable clamping means (4) for a determination of the rail ( 1) is formed.
Figure 00000001
EP01890152A 2000-05-29 2001-05-22 Process and apparatus for hardening rails Revoked EP1160341B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT01890152T ATE306566T1 (en) 2000-05-29 2001-05-22 METHOD AND DEVICE FOR HARDENING RAILS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0093900A AT409268B (en) 2000-05-29 2000-05-29 METHOD AND DEVICE FOR HARDENING RAILS
AT9392000 2000-05-29

Publications (3)

Publication Number Publication Date
EP1160341A2 EP1160341A2 (en) 2001-12-05
EP1160341A3 true EP1160341A3 (en) 2004-01-02
EP1160341B1 EP1160341B1 (en) 2005-10-12

Family

ID=3683291

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01890152A Revoked EP1160341B1 (en) 2000-05-29 2001-05-22 Process and apparatus for hardening rails

Country Status (20)

Country Link
US (1) US6432230B1 (en)
EP (1) EP1160341B1 (en)
JP (1) JP2002047516A (en)
KR (1) KR100512401B1 (en)
CN (1) CN1180097C (en)
AT (2) AT409268B (en)
AU (1) AU778188B2 (en)
BR (1) BR0102154B1 (en)
CA (1) CA2349321C (en)
CZ (1) CZ299001B6 (en)
DE (1) DE50107654D1 (en)
DK (1) DK1160341T3 (en)
ES (1) ES2247050T3 (en)
HR (1) HRP20010411B1 (en)
HU (1) HU223348B1 (en)
PL (1) PL197258B1 (en)
RU (1) RU2226557C2 (en)
SK (1) SK286764B6 (en)
TW (1) TW499335B (en)
UA (1) UA76693C2 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT409268B (en) * 2000-05-29 2002-07-25 Voest Alpine Schienen Gmbh & C METHOD AND DEVICE FOR HARDENING RAILS
AT410549B (en) * 2001-09-13 2003-05-26 Voest Alpine Schienen Gmbh & C DEVICE FOR TURNING ROLLED GOODS WITH LONG LENGTH
CN1906314B (en) * 2004-01-09 2011-05-04 新日本制铁株式会社 Rail manufacturing method
DE112008001803T5 (en) * 2007-07-11 2010-05-20 GKN Sinter Metals, Inc., Auburn Hills Functionally graduated powder metal components
ITMI20072244A1 (en) * 2007-11-28 2009-05-29 Danieli Off Mecc DEVICE FOR HEAT TREATMENT OF RAILS AND ITS PROCESS
AT505930B1 (en) * 2008-02-04 2009-05-15 Voestalpine Schienen Gmbh DEVICE FOR HARDENING RAILS
IT1392174B1 (en) * 2008-12-05 2012-02-22 Danieli Off Mecc RAIL HANDLING MACHINE AND RELATIVE HANDLING PROCESS
US8353443B2 (en) * 2009-03-27 2013-01-15 Nippon Steel Corporation Device and method for cooling rail weld zone
ITMI20090892A1 (en) 2009-05-20 2010-11-21 Danieli Off Mecc COOLING TANK FOR RAILS
ITMI20112052A1 (en) 2011-11-11 2013-05-12 Danieli Off Mecc COOLING TANK FOR RAILS
DE102012020844A1 (en) 2012-10-24 2014-04-24 Thyssenkrupp Gft Gleistechnik Gmbh Process for the thermomechanical treatment of hot-rolled profiles
EP2781608B1 (en) 2013-03-22 2015-10-28 Primetals Technologies Italy S.R.L. System for thermal treatment of rails
EP2987872B1 (en) * 2013-04-17 2018-07-18 Scientific And Manufacturing Enterprise "Tomsk Electronic Company" Ltd. Device for thermally processing rails
RU2636777C1 (en) * 2016-12-27 2017-11-28 РЕЙЛ 1520 АйПи ЛТД Method for heat treatment of railway wheels
RU2668872C1 (en) * 2017-11-08 2018-10-04 Акционерное общество "Нижнетагильский металлургический комбинат" (АО "ЕВРАЗ НТМК") Railroad wheel heat treatment method
CZ2019542A3 (en) * 2019-08-19 2020-09-02 Západočeská Univerzita V Plzni Method of manufacturing steel parts from AHS steel by controlled local cooling with a medium, using the formation of a multiphase structure with intermittent cooling at the required temperature

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US368132A (en) * 1887-08-09 coffin
US4913747A (en) * 1984-12-24 1990-04-03 Nippon Steel Corporation Method of and apparatus for heat-treating rails
US5054746A (en) * 1990-02-05 1991-10-08 Voest-Alpine Industrieanlagenbau Gesellschaft M.B.H. Apparatus for hardening rails
US5440889A (en) * 1992-11-11 1995-08-15 Sms Schloemann-Siemag Ag Method of and arrangement for cooling of hot rolled sections in particular rails
EP0693562A1 (en) * 1994-07-19 1996-01-24 VOEST-ALPINE SCHIENEN GmbH Process and apparatus for heat-treating shaped rolled pieces

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US125650A (en) * 1872-04-09 Improvement in tempering steel railroad rails
FR2109121A5 (en) 1970-10-02 1972-05-26 Wendel Sidelor
AT375402B (en) * 1982-03-09 1984-08-10 Voest Alpine Ag METHOD FOR HEAT-TREATING RAILS
JPS5953628A (en) * 1982-09-22 1984-03-28 Nippon Steel Corp Production of rail having excellent resistance characteristic to split web at rail end
US4895605A (en) 1988-08-19 1990-01-23 Algoma Steel Corporation Method for the manufacture of hardened railroad rails
US5209792A (en) * 1990-07-30 1993-05-11 Nkk Corporation High-strength, damage-resistant rail
AT399346B (en) 1992-07-15 1995-04-25 Voest Alpine Schienen Gmbh METHOD FOR TREATING RAILS
AT409268B (en) * 2000-05-29 2002-07-25 Voest Alpine Schienen Gmbh & C METHOD AND DEVICE FOR HARDENING RAILS

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US368132A (en) * 1887-08-09 coffin
US4913747A (en) * 1984-12-24 1990-04-03 Nippon Steel Corporation Method of and apparatus for heat-treating rails
US5054746A (en) * 1990-02-05 1991-10-08 Voest-Alpine Industrieanlagenbau Gesellschaft M.B.H. Apparatus for hardening rails
US5440889A (en) * 1992-11-11 1995-08-15 Sms Schloemann-Siemag Ag Method of and arrangement for cooling of hot rolled sections in particular rails
EP0693562A1 (en) * 1994-07-19 1996-01-24 VOEST-ALPINE SCHIENEN GmbH Process and apparatus for heat-treating shaped rolled pieces

Also Published As

Publication number Publication date
CZ20011818A3 (en) 2002-02-13
ATA9392000A (en) 2001-11-15
AT409268B (en) 2002-07-25
BR0102154B1 (en) 2011-02-22
BR0102154A (en) 2002-02-13
HRP20010411A2 (en) 2001-12-31
DE50107654D1 (en) 2005-11-17
HRP20010411B1 (en) 2011-03-31
CZ299001B6 (en) 2008-04-02
UA76693C2 (en) 2006-09-15
CA2349321A1 (en) 2001-11-29
KR100512401B1 (en) 2005-09-06
DK1160341T3 (en) 2006-02-27
HUP0102212A2 (en) 2002-01-28
KR20010109135A (en) 2001-12-08
PL347667A1 (en) 2001-12-03
AU778188B2 (en) 2004-11-18
CN1327074A (en) 2001-12-19
EP1160341B1 (en) 2005-10-12
PL197258B1 (en) 2008-03-31
TW499335B (en) 2002-08-21
SK7202001A3 (en) 2001-12-03
HU0102212D0 (en) 2001-08-28
CA2349321C (en) 2010-01-26
ATE306566T1 (en) 2005-10-15
US6432230B1 (en) 2002-08-13
JP2002047516A (en) 2002-02-15
CN1180097C (en) 2004-12-15
HUP0102212A3 (en) 2003-06-30
HU223348B1 (en) 2004-06-28
RU2226557C2 (en) 2004-04-10
ES2247050T3 (en) 2006-03-01
SK286764B6 (en) 2009-05-07
AU4618701A (en) 2001-12-06
EP1160341A2 (en) 2001-12-05

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