EP1138827B1 - Method of fabricating a grooved rail section - Google Patents

Method of fabricating a grooved rail section Download PDF

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Publication number
EP1138827B1
EP1138827B1 EP01106808A EP01106808A EP1138827B1 EP 1138827 B1 EP1138827 B1 EP 1138827B1 EP 01106808 A EP01106808 A EP 01106808A EP 01106808 A EP01106808 A EP 01106808A EP 1138827 B1 EP1138827 B1 EP 1138827B1
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EP
European Patent Office
Prior art keywords
groove
recess
wear
welding
grooved
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
EP01106808A
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German (de)
French (fr)
Other versions
EP1138827A2 (en
EP1138827A3 (en
Inventor
Thomas Christ
Gerhard Ratz
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 Railway Systems GmbH
Voestalpine Turnout Technology Germany GmbH
Original Assignee
Voestalpine VAE GmbH
Voestalpine BWG GmbH
Butzbacher Weichenbau 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 VAE GmbH, Voestalpine BWG GmbH, Butzbacher Weichenbau GmbH filed Critical Voestalpine VAE GmbH
Publication of EP1138827A2 publication Critical patent/EP1138827A2/en
Publication of EP1138827A3 publication Critical patent/EP1138827A3/en
Application granted granted Critical
Publication of EP1138827B1 publication Critical patent/EP1138827B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B5/00—Rails; Guard rails; Distance-keeping means for them
    • E01B5/02—Rails
    • E01B5/08—Composite rails; Compound rails with dismountable or non-dismountable parts
    • E01B5/10—Composite grooved rails; Inserts for grooved rails

Definitions

  • the invention relates to a method for tempering a groove edge or flank of a crease track section such as grooved rail or grooved rail frog means Welding.
  • DE 550 505 is in a recess of a driving or control head of a grooved rail introduced a wear-resistant bar having at an angle extending portions to barb-like fixed to be.
  • DE 550 506 provides, in heads of grooved rails patches of manganese steel bring in, whereby previously recesses are milled out.
  • DE 195 39 590 A1 relates to a method for reprofiling order-welded Grooved rails, wherein worn sections of driving and leading edge flanks renewed become.
  • WO 97/18921 is a method for welding a filler material on rail sections refer to.
  • DE-C 550 504 discloses Vignol and grooved rails with wear-resistant driving and leading edges from strips, which are introduced into corresponding recesses of the rail heads.
  • the present invention is based on the problem Forming a method of forming a Rillengleisabitess such that very precise and with structurally simple measures cost-effective targeted areas of a groove with wear-resistant Material can be provided.
  • the recess like groove is filled in particular by build-up welding, wherein a plurality of layers formed with optionally different material properties can be.
  • the recess such as groove itself is with a depth t of 10 mm ⁇ t ⁇ 30 mm, in particular t in about 20 mm and / or a Width b with 3 mm ⁇ b ⁇ 15 mm, in particular b in about 10 mm, incorporated into the head of the construction profile.
  • thereupon is in the recess like groove in particular by build-up welding as a material introduced with a filler material, which is suitable both for joint welding to Example of high-alloy stainless steels and mixed connections between these and normal structural steels as well as order materials for rails and switch parts is common.
  • the area of the head with wear-resistant Material are provided in the exposed high wear edges or flanks a groove run.
  • an optimal utilization of introduced weld metal respectively in addition, a quality improvement in the achievable shape and position tolerances and achieved a higher surface quality.
  • a better Economy results d. H.
  • a larger area can be added to protective driving or leading edges are tempered by welding. This is done for this purpose Forming the groove and the surface treatment of the annealed area in one Operation, namely during incorporation such as milling the groove.
  • Fig. 1 is a cross section through a grooved rail 10 with foot 12, web 14 and head 16th illustrated in which a groove 18 is incorporated for guiding a wheel.
  • a groove 18 is incorporated for guiding a wheel.
  • a head 24 of a corresponding construction profile is shown in FIG. 2 shown.
  • the area in which the groove 18 is to be incorporated is punctured. at the design profile may be z. B. to a thick bar rail, a square profile or other profile element act with full head.
  • grooves 28, 30 incorporated by the the edges 20, 21 of the later to be formed groove 18 are cut. Then the Grooves 28, 30 preferably filled in multiple layers by build-up welding (areas 31, 33), wherein the welding material filler materials are added, the desired low-wear Have properties. After filling the grooves 28, 30 then the groove 18, the above-mentioned cut the grooves 28, 30, incorporated.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Heat Treatment Of Articles (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Arc Welding In General (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Seats For Vehicles (AREA)

Abstract

The grooved rail etc. has groove edges or sides (32,34) esp. improved by welding. A rail section consists of a construction part with solid head profile, with an aperture (28,30) formed in the head (24) near an edge, which is filled with wear-resistant material. The groove cutting across the aperture is formed after filling of the aperture e.g. groove, by build-up welding. The welding material is enriched with wear-resistant additives and/or the groove is filled in several layers.

Description

Die Erfindung bezieht sich auf ein Verfahren zum Vergüten einer Rillenkante oder - flanke eines Rillengleisabschnitts wie Rillenschiene oder Rillenschienenherzstücks mittels Schweißens.The invention relates to a method for tempering a groove edge or flank of a crease track section such as grooved rail or grooved rail frog means Welding.

Um einem besonderen Verschleiß ausgesetzte Bereiche der Rillen von Rillenschienen bzw. Rillenschienenherzstücke zu vergüten, werden in den entsprechenden Bereichen der Rillen wie in den Kantenbereichen Ausnehmungen ausgearbeitet, in die vorzugsweise durch Auftragsschweißen Material hoher Verschleißfestigkeit eingebracht wird. Anschließend wird der aufgebrachte Materialbereich bearbeitet, damit ein bündiger Übergang zu der Rille selbst erfolgt.To a particular wear exposed areas of the grooves of grooved rails or Rough grooved rail frogs are used in the corresponding areas of the grooves like In the edge regions recesses worked out in the preferably by Cladding material high wear resistance is introduced. Subsequently, will the applied material area machined so that a flush transition to the groove itself he follows.

Nach der DE 550 505 wird in einer Aussparung eines Fahr- oder Leitkopfes einer Rillenschiene eine verschleißfeste Leiste eingebracht, die unter Winkel verlaufende Abschnitte aufweist, um widerhakenähnlich fixiert zu werden. According to DE 550 505 is in a recess of a driving or control head of a grooved rail introduced a wear-resistant bar having at an angle extending portions to barb-like fixed to be.

Die DE 550 506 sieht vor, in Köpfen von Rillenschienen Füllstücke aus Manganhartstahl einzubringen, wobei zuvor Aussparungen ausgefräst werden.DE 550 506 provides, in heads of grooved rails patches of manganese steel bring in, whereby previously recesses are milled out.

Die DE 195 39 590 A1 bezieht sich auf ein Verfahren zum Reprofilieren auftraggeschweißter Rillenschienen, wobei verschlissene Abschnitte von Fahr- und Leitkantenflanken erneuert werden.DE 195 39 590 A1 relates to a method for reprofiling order-welded Grooved rails, wherein worn sections of driving and leading edge flanks renewed become.

Der WO 97/18 921 ist ein Verfahren zur Aufschweißung eines Zusatzmaterials auf Schienenabschnitten zu entnehmen.WO 97/18921 is a method for welding a filler material on rail sections refer to.

Die DE-C 550 504 offenbart Vignol- und Rillenschienen mit verschleißfesten Fahr- und Leitkanten aus Leisten, die in entsprechende Ausnehmungen der Schienenköpfe eingebracht werden.DE-C 550 504 discloses Vignol and grooved rails with wear-resistant driving and leading edges from strips, which are introduced into corresponding recesses of the rail heads.

Entsprechende dem Stand der Technik zu entnehmende Maßnahmen sind aufwendig und somit kostenintensiv.Corresponding to the state of the art to be taken measures are complex and thus expensive.

Der vorliegenden Erfindung liegt das Problem zu Grunde ein Verfahren zum Ausbilden eines Rillengleisabschnitts derart weiterzubilden, dass überaus präzise und mit konstruktiv einfachen Maßnahmen kostengünstig gezielt Bereiche einer Rille mit verschleißfestem Material versehen werden können.The present invention is based on the problem Forming a method of forming a Rillengleisabschnitts such that very precise and with structurally simple measures cost-effective targeted areas of a groove with wear-resistant Material can be provided.

Erfindungsgemäß wird das Problem zum Vergüten einer Rillenkante oder -flanke eines Rillengleisabschnitts mit verschleißfestem Material durch die Verfahrensschritte gelöst:

  • Einarbeiten einer Ausnehmung in einem Kopf eines ein Vollkopfprofil aufweisenden Konstruktionsprofils im Bereich vorzusehender Rille,
  • Ausfüllen der Ausnehmung mit verschleißfestem Material und
  • Ausbilden der Rille, sodaß deren Verlauf die Ausnehmung schneidet.
According to the invention, the problem for tempering a groove edge or flank of a groove track section with wear-resistant material is achieved by the method steps:
  • Incorporating a recess in a head of a full head profile construction profile in the area to be provided groove,
  • Filling the recess with wear-resistant material and
  • Forming the groove, so that their course intersects the recess.

Dabei wird die Ausnehmung wie Nut insbesondere durch Auftragsschweißung ausgefüllt, wobei mehrere Lagen mit gegebenenfalls unterschiedlichen Materialeigenschaften ausgebildet werden können.The recess like groove is filled in particular by build-up welding, wherein a plurality of layers formed with optionally different material properties can be.

Die Ausnehmung wie Nut selbst wird mit einer Tiefe t mit 10 mm ≤ t ≤ 30 mm insbesondere t in etwa 20 mm und/oder einer Breite b mit 3 mm ≤ b ≤ 15 mm, insbesondere b in etwa 10 mm, in den Kopf des Konstruktionsprofils eingearbeitet. Sodann wird in die Ausnehmung wie Nut insbesondere durch Auftragsschweißung als Material ein solches mit einem Zusatzwerkstoff eingebracht, der sowohl für Verbindungsschweißung zum Beispiel für hochlegierte rostfreie Stähle und Mischverbindungen zwischen diesen und normalen Baustählen als auch als Auftragswerkstoffe für Schienen und Weichenteile üblich ist.The recess such as groove itself is with a depth t of 10 mm ≤ t ≤ 30 mm, in particular t in about 20 mm and / or a Width b with 3 mm ≤ b ≤ 15 mm, in particular b in about 10 mm, incorporated into the head of the construction profile. thereupon is in the recess like groove in particular by build-up welding as a material introduced with a filler material, which is suitable both for joint welding to Example of high-alloy stainless steels and mixed connections between these and normal structural steels as well as order materials for rails and switch parts is common.

Durch die erfindungsgemäße Lehre kann gezielt der Bereich des Kopfes mit verschleißfestem Material versehen werden, in dem einem hohen Verschleiß ausgesetzte Kanten bzw. Flanken einer Rille verlaufen. Somit kann eine optimale Ausnutzung eingebrachten Schweißgutes erfolgen. Außerdem wird eine Qualitätsverbesserung in den erzielbaren Form- und Lagetoleranzen sowie eine höhere Oberflächengüte erreicht. Ferner ist von Vorteil, dass sich eine bessere Wirtschaftlichkeit ergibt, d. h. bei weniger Arbeitsaufwand kann ein größerer Bereich der zu schützenden Fahr- bzw. Leitkanten schweißtechnisch vergütet werden. Hierzu erfolgt das Ausbilden der Rille sowie die Oberflächenbehandlung des vergüteten Bereichs in einem Arbeitsgang, nämlich beim Einarbeiten wie Fräsen der Rille.By the teaching of the invention can specifically the area of the head with wear-resistant Material are provided in the exposed high wear edges or flanks a groove run. Thus, an optimal utilization of introduced weld metal respectively. In addition, a quality improvement in the achievable shape and position tolerances and achieved a higher surface quality. Furthermore, it is advantageous that a better Economy results, d. H. With less work, a larger area can be added to protective driving or leading edges are tempered by welding. This is done for this purpose Forming the groove and the surface treatment of the annealed area in one Operation, namely during incorporation such as milling the groove.

Dadurch, dass ein Schweißen in einem Vollmaterial erfolgt, ist eine bessere Wärmeführung im Vergleich zum Auftragsschweißen im Bereich einer bereits ausgearbeiteten Rille möglich. Auch besteht die Möglichkeit eines gezielteren und kontrollierten Vorwärmens. All diese Möglichkeiten bietet der Stand der Technik nicht, nach dem im Bereich einer bereits vorhandenen Rille ein Schweißen erfolgt.The fact that welding is done in a solid material, better heat transfer in Compared to build-up welding in the area of an already finished groove possible. Also there is the possibility of a more targeted and controlled preheating. All these Possibilities does not offer the state of the art, after that in the area of an already existing groove a welding done.

Weitere Einzelheiten, Vorteile und Merkmale der Erfindung ergeben sich nicht nur aus den Ansprüchen, den diesen zu entnehmenden Merkmalen - für sich und/oder in Kombination -, sondern auch aus der nachfolgenden Beschreibung eines der Zeichnungen zu entnehmenden bevorzugten Ausführungsbeispiels.Further details, advantages and features of the invention will become apparent not only from the Claims, the characteristics to be taken from them - individually and / or in combination - but also from the following description of one of the drawings to be taken preferred embodiment.

Es zeigen:

Fig. 1
einen Querschnitt durch eine Rillenschiene und
Fig. 2
eine vergrößerte Darstellung des Kopfes der Rillenschiene gemäß Fig. 1 vor Einarbeiten einer Rille.
Show it:
Fig. 1
a cross section through a grooved rail and
Fig. 2
an enlarged view of the head of the grooved rail of FIG. 1 before incorporating a groove.

In Fig. 1 ist ein Querschnitt durch eine Rillenschiene 10 mit Fuß 12, Steg 14 und Kopf 16 dargestellt, in dem eine Rille 18 zum Führen eines Rades eingearbeitet ist. Um die einem besonderen Verschleiß ausgesetzten Fahr- bzw. Leitkanten 20, 21 zu vergüten, d.h. mit einem verschleißfesten Material insbesondere durch Auftragsschweißung zu versehen, wird als Ausgangsmaterial ein Konstruktionsprofil mit Vollkopfprofil benutzt, also ein solches ohne ausgebildete Rille. Ein Kopf 24 eines entsprechenden Konstruktionsprofils ist in der Fig. 2 dargestellt. Der Bereich, in dem die Rille 18 eingearbeitet werden soll, ist punktstrichiert. Bei dem Konstruktionsprofil kann es sich z. B. um eine Dickstegschiene, ein Vierkantprofil oder sonstiges Profilelement mit Vollkopf handeln.In Fig. 1 is a cross section through a grooved rail 10 with foot 12, web 14 and head 16th illustrated in which a groove 18 is incorporated for guiding a wheel. To the one particular wear-exposed driving or leading edges 20, 21 to compensate, i. with a wear-resistant material to be provided in particular by build-up welding, as Starting material used a construction profile with full head profile, so one without trained groove. A head 24 of a corresponding construction profile is shown in FIG. 2 shown. The area in which the groove 18 is to be incorporated is punctured. at the design profile may be z. B. to a thick bar rail, a square profile or other profile element act with full head.

Um die Bereiche der Kanten 20, 21 mit verschleißfestem Material zu versehen, werden zunächst von der Fahrfläche 26 des Kopfes 24 ausgehend Nuten 28, 30 eingearbeitet, die von den Kanten 20, 21 der später auszubildenden Rille 18 geschnitten werden. Sodann werden die Nuten 28, 30 durch Auftragsschweißen vorzugsweise mehrlagig ausgefüllt (Bereiche 31, 33), wobei dem Schweißmaterial Zusatzwerkstoffe zugegeben werden, die die gewünschten verschleißarmen Eigenschaften aufweisen. Nach Ausfüllen der Nuten 28, 30 wird sodann die Rille 18, die erwähntermaßen die Nuten 28, 30 schneiden, eingearbeitet.In order to provide the regions of the edges 20, 21 with wear-resistant material, be initially formed by the running surface 26 of the head 24, grooves 28, 30 incorporated by the the edges 20, 21 of the later to be formed groove 18 are cut. Then the Grooves 28, 30 preferably filled in multiple layers by build-up welding (areas 31, 33), wherein the welding material filler materials are added, the desired low-wear Have properties. After filling the grooves 28, 30 then the groove 18, the above-mentioned cut the grooves 28, 30, incorporated.

Dies bedeutet, dass die Nachbearbeitung der Auftragsschweißung und die Herstellung der Rille 18 in einem gemeinsamen Arbeitsgang durchgeführt wird, wodurch sich eine Erhöhung der Wirtschaftlichkeit ergibt. Ferner können problemlos größere Bereiche der zu schützenden Fahrund Leitkanten schweißtechnisch vergütet werden. So können die die Rille 18 begrenzenden Flanken 32, 34 bis zu einer Breite b von zum Beispiel 8 mm oder mehr aus verschleißfestem Material bestehen, wobei von der Fahrfläche 26 ausgehend Tiefen t von zum Beispiel 20 mm schweißtechnisch vergütet sein können. Mit anderen Worten kann mit weniger Arbeitsaufwand ein größerer Bereich der zu schützenden Kanten bzw. Flanken der Rille 18 schweißtechnisch vergütet werden.This means that the finishing of the surfacing and the production of the groove 18 is carried out in a joint operation, which results in an increase in the Profitability results. Furthermore, easily larger areas of the Fahrund to be protected Guide edges are tempered by welding. Thus, the groove 18 limiting Flanks 32, 34 up to a width b of, for example, 8 mm or more of wear-resistant Material exist, starting from the running surface 26 depths t of, for example, 20 mm can be tempered by welding. In other words, with less work a larger area of the edges or flanks of the groove 18 to be protected by welding be remunerated.

Claims (5)

  1. Method for hardening and tempering of a grooved edge or grooved flank of a grooved rail section with wear-proof material, characterized by the method steps:
    incorporation of at least one recess in a head of a structural profile having a solid head profile in the area of the grooved edge or grooved flank to be provided,
    filling out of the recess with wear-proof material and
    formation of the groove so that its course intersects the recess.
  2. Method according to Claim 1,
    wherein
    the recess is filled out by build-up welding.
  3. Method according to Claim 2,
    wherein
    the recess is filled out in several layers.
  4. Method according to at least one of the previous claims,
    wherein
    the recess is incorporated into the head with a depth t of 10 mm ≤ t ≤ 30 mm, in particular t approximately 20 mm and/or with a width b of approximately 3 mm ≤ b ≤ 15 mm, in particular b approximately 10 mm.
  5. Method according to at least one of the previous claims,
    wherein
    the welding material used for build-up has wear-proof additional materials added to it and/or the recess is filled out in several layers.
EP01106808A 2000-03-30 2001-03-19 Method of fabricating a grooved rail section Expired - Lifetime EP1138827B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10015507 2000-03-30
DE10015507A DE10015507A1 (en) 2000-03-30 2000-03-30 Grooved track section and method for producing such

Publications (3)

Publication Number Publication Date
EP1138827A2 EP1138827A2 (en) 2001-10-04
EP1138827A3 EP1138827A3 (en) 2003-01-29
EP1138827B1 true EP1138827B1 (en) 2005-05-04

Family

ID=7636776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01106808A Expired - Lifetime EP1138827B1 (en) 2000-03-30 2001-03-19 Method of fabricating a grooved rail section

Country Status (4)

Country Link
EP (1) EP1138827B1 (en)
AT (1) ATE294895T1 (en)
DE (2) DE10015507A1 (en)
DK (1) DK1138827T3 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE550505C (en) 1932-05-12 Gustav Grohmann Device for fastening the leading edge protection to tramway deep groove rails
DE550506C (en) * 1928-12-07 1932-05-18 Ver Stahlwerke Akt Ges Curved outer rail for grooved rail tracks
DE550504C (en) * 1929-10-12 1932-05-17 Ver Stahlwerke Akt Ges Vignole rail or grooved rail with wear-resistant running or leading edge
BE792056A (en) * 1971-12-14 1973-03-16 Elektro Thermit Gmbh WEAR RESISTANT RAIL MANUFACTURING PROCESS
DE19539590C2 (en) * 1995-10-25 2000-05-31 Schweistechnische Lehr Und Ver Process for re-profiling welded grooved rails
HU223154B1 (en) * 1995-11-23 2004-03-29 Jinpo Plus A.S. Method of welding material onto rails

Also Published As

Publication number Publication date
DK1138827T3 (en) 2005-08-29
ATE294895T1 (en) 2005-05-15
DE50106066D1 (en) 2005-06-09
EP1138827A2 (en) 2001-10-04
DE10015507A1 (en) 2001-10-04
EP1138827A3 (en) 2003-01-29

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