EP1736600B1 - Procédé de fabrication d'un rail silencieux - Google Patents

Procédé de fabrication d'un rail silencieux Download PDF

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Publication number
EP1736600B1
EP1736600B1 EP06115746A EP06115746A EP1736600B1 EP 1736600 B1 EP1736600 B1 EP 1736600B1 EP 06115746 A EP06115746 A EP 06115746A EP 06115746 A EP06115746 A EP 06115746A EP 1736600 B1 EP1736600 B1 EP 1736600B1
Authority
EP
European Patent Office
Prior art keywords
rail
producing
content
welding
running noise
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
EP06115746A
Other languages
German (de)
English (en)
Other versions
EP1736600A1 (fr
Inventor
Dirk Schumann
Hermann-Josef Löffelsend
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.)
Kolner Verkehrsbetriebe AG
Original Assignee
Kolner Verkehrsbetriebe 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.)
Filing date
Publication date
Application filed by Kolner Verkehrsbetriebe AG filed Critical Kolner Verkehrsbetriebe AG
Publication of EP1736600A1 publication Critical patent/EP1736600A1/fr
Application granted granted Critical
Publication of EP1736600B1 publication Critical patent/EP1736600B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E01B5/04—Grooved rails
    • 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
    • E01B5/14—Rails for special parts of the track, e.g. for curves

Definitions

  • the invention relates to a method for producing a rail with reduced rolling noise, in particular for use in conjunction with tram rails and in particular in conjunction with curved rails, which have narrow radii, wherein the running surface of the rail provided with at least one, parallel to the rail longitudinal direction, additional material layer which is produced by applying a welding path in the submerged arc welding process (UP).
  • UP submerged arc welding process
  • Such a method is from the German patent application DE 25 54 704 A1 known.
  • rails for rail vehicles are subdivided into sub-surfaces which run along the rail and are arranged at a distance from one another.
  • the partial surfaces are applied to the original rail, inter alia, by submerged arc welding or by welding under protective gas with consumable welding wire.
  • the material used for the partial surfaces is a metallic filler material, which may also comprise a non-ferrous metal, with a mono- or multiphase bronze having at least 50% copper content and one or more other alloying elements.
  • the so-called stick-slip effect can play a role.
  • the noise will probably be the same effect as when a wet finger strokes the edge of a half-filled wine glass.
  • the object of the invention is therefore to provide a simple and easy to carry out method for producing a rail with reduced rolling noise.
  • a high-alloyed basic welding wire is now used as the welding wire; in particular, a flux-cored wire is used as the welding wire Welding wire used because it has been found that a welding process with solid wires does not lead to the desired result.
  • Such welding wires are commonly used in building construction, so that the expert has not come up to the present invention on the idea to use such a combination of materials for the track construction.
  • the welding wire according to the invention is provided as a high-alloyed welding wire with a carbon content of between 0.0 and 1.5%, in particular between 0 and 0.5%.
  • the manganese content is between 0.0 and 5%, in particular between 0.5 and 3%.
  • a silicon content between 0.0 and 1.5, in particular between 0.0 and 1% and a chromium content between 8 and 23%, in particular between 12.0 and 18.0% are provided.
  • a nickel content between 1.0 and 10%, in particular between 2 and 6% is added alloyed.
  • a good result can be achieved with this welding powder and the welding wire according to the invention, however, sustainable noise reduction becomes possible only when, surprisingly, a certain combination of welding parameters is maintained.
  • a welding current should be used which has a current of between 300 and 500 amps, in particular between 370 and 430 amps.
  • the voltage of the welding current should be between 20 and 30 volts, in particular between 23 and 26 volts.
  • Wire feed rates between 90 and 120 cm / min , in particular between 100 and 115 cm / min are also used according to the invention.
  • the adhesive property of the welding track on the upper side of the rail, in particular in the curved area is improved by cutting a groove into the rail before welding.
  • a groove can be introduced for example via a special tool that can be moved on the rail and each having a cutting disc for each groove, which is parallel to the direction of travel against the rail engageable.
  • the inventive method can be used both in new rails in the manufacturing plant as well as already laid rails on the road.
  • the rails are dried before machining, then preferably provided with grooves via the above-mentioned special tool, so that finally can be done with an above-also movable special tool Unterpulverversch spaung with the above parameters.
  • the rail can be heated to an elevated temperature prior to applying the weld line. A controlled controlled cooling by reheating the already welded rail is also possible.
  • a grinding process can create a flat surface of the partial surfaces formed by the welding path.
  • a corrugated surface can also be produced by the grinding, in particular by corrugation parallel to the rail longitudinal direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Metal Rolling (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Railway Tracks (AREA)
  • Nonmetallic Welding Materials (AREA)

Claims (10)

  1. Procédé de fabrication d'un rail silencieux, notamment pour une utilisation conjointe avec des rails de tramway et notamment conjointe avec des rails incurvés présentant un rayon étroit, la surface de roulement des rails étant pourvue d'au moins une couche de matériau supplémentaire disposée parallèlement à la direction longitudinale des rails, ladite couche étant réalisée par application d'une bande de soudure dans le procédé de soudage à l'arc sous flux solide (UP), caractérisé en ce que le fil de soudure utilisé est un fil de soudure fortement allié, basique, doté d'un pourcentage de C compris entre 0,0 % et 1,5 %, notamment entre 0 % et 0,5 %, d'un pourcentage de Mn compris entre 0,0 % et 5,0 %, notamment entre 0,5 % et 3,0 %, d'un pourcentage de Si compris entre 0,0 % et 1,5 %, notamment entre 0 % et 1,0 %, d'un pourcentage de Cr compris entre 8,0% et 23,0 %, notamment entre 12,0 % et 18,0 % et d'un pourcentage de Ni compris entre 1,0 % et 10 %, notamment entre 2,0 % et 6,0 %.
  2. Procédé de fabrication d'un rail silencieux selon la revendication 1, caractérisé en ce que le fil de soudure utilisé est un fil de remplissage.
  3. Procédé de fabrication d'un rail silencieux selon la revendication 1 ou 2, caractérisé en ce que la poudre utilisée pour le procédé de soudage à l'arc sous flux solide est une poudre de soudure agglomérée du groupe de type basique fluoré avec un pourcentage de SiO2+TiO2 compris entre 15,0 % et 30,0 %, notamment entre 17,0 % et 25,0 % et de préférence de 20,0 %, un pourcentage de CaO+MgO compris entre 25,0 % et 40,0 %, notamment entre 27,0 % et 35,0 % et de préférence de 30,0 %, un pourcentage de Al2O3+MnO compris entre 20,0 % et 30,0 %, notamment entre 23,0 % et 27,0 % et de préférence de 25,0 % et un pourcentage de CaF2 compris entre 15,0 % et 30,0 %, notamment entre 18,0 % et 22,0 % et de préférence de 20,0 %.
  4. Procédé de fabrication d'un rail silencieux selon l'une quelconque des deux revendications précédentes, caractérisé en ce que la soudure est réalisée à l'aide d'un courant de soudure présentant une puissance comprise entre 300 et 500 ampères, notamment entre 370 et 430 ampères.
  5. Procédé de fabrication d'un rail silencieux selon l'une quelconque des revendications précédentes, caractérisé en ce que le courant de soudure présente une tension comprise entre 20 et 30 volts, notamment entre 23 et 26 volts.
  6. Procédé de fabrication d'un rail silencieux selon l'une quelconque des revendications précédentes, caractérisé en ce que la vitesse d'avancée du fil pour le courant de soudure est comprise entre 90 cm/min et 120 cm/min, notamment entre 100 cm/min et 115 cm/min.
  7. Procédé de fabrication d'un rail silencieux selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une rainure est gravée ou entaillée avant l'application de la trace de soudure dans le rail en dessous de la bande de soudure.
  8. Procédé de fabrication d'un rail silencieux selon l'une quelconque des revendications précédentes, caractérisé en ce que le rail est chauffé à une température élevée avant l'application de la bande de soudure.
  9. Procédé de fabrication d'un rail silencieux selon l'une quelconque des revendications précédentes, caractérisé en ce que la bande de soudure est meulée après le refroidissement pour obtenir une surface plane.
  10. Procédé de fabrication d'un rail silencieux selon l'une quelconque des revendications précédentes, caractérisé en ce que deux bandes de soudure sont disposées parallèlement l'une par rapport à l'autre.
EP06115746A 2005-06-21 2006-06-20 Procédé de fabrication d'un rail silencieux Not-in-force EP1736600B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005029005A DE102005029005B3 (de) 2005-06-21 2005-06-21 Verfahren zur Herstellung einer Schiene mit vermindertem Abrollgeräusch und Schiene mit vermindertem Abrollgeräusch

Publications (2)

Publication Number Publication Date
EP1736600A1 EP1736600A1 (fr) 2006-12-27
EP1736600B1 true EP1736600B1 (fr) 2009-08-19

Family

ID=36829877

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06115746A Not-in-force EP1736600B1 (fr) 2005-06-21 2006-06-20 Procédé de fabrication d'un rail silencieux

Country Status (3)

Country Link
EP (1) EP1736600B1 (fr)
AT (1) ATE440178T1 (fr)
DE (2) DE102005029005B3 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554704C3 (de) * 1975-12-05 1979-05-23 Elektro-Thermit Gmbh, 4300 Essen Geräuschmindernde Schiene
DE3829340C1 (fr) * 1988-08-30 1989-10-12 Elektro-Thermit Gmbh, 4300 Essen, De
DE4241607C1 (de) * 1992-12-10 1994-02-10 Elektro Thermit Gmbh Schiene mit einer in Schienenlängsrichtung mittig im Schienenkopf verlaufenden Ausnehmung, welche mit schienenfremdem Material ausgefüllt ist
DE59609164D1 (de) * 1995-11-23 2002-06-06 Jinpo Pluls A S Verfahren zur aufschweissung der schienen

Also Published As

Publication number Publication date
ATE440178T1 (de) 2009-09-15
DE102005029005B3 (de) 2006-10-12
DE502006004568D1 (de) 2009-10-01
EP1736600A1 (fr) 2006-12-27

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