EP1736600A1 - Procédé de fabrication d'un rail silencieux et rail anti-bruit - Google Patents

Procédé de fabrication d'un rail silencieux et rail anti-bruit Download PDF

Info

Publication number
EP1736600A1
EP1736600A1 EP06115746A EP06115746A EP1736600A1 EP 1736600 A1 EP1736600 A1 EP 1736600A1 EP 06115746 A EP06115746 A EP 06115746A EP 06115746 A EP06115746 A EP 06115746A EP 1736600 A1 EP1736600 A1 EP 1736600A1
Authority
EP
European Patent Office
Prior art keywords
rail
welding
producing
rolling noise
reduced rolling
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
EP06115746A
Other languages
German (de)
English (en)
Other versions
EP1736600B1 (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). Furthermore, the invention relates to a rail produced by this method.
  • 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.
  • Another object of the invention is to provide a rail having such a 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.
  • the inventive Rail is characterized in that it is produced by the method according to the invention. In particular, it is characterized in that the abovementioned alloying parts of the welding wire available from Fontargen and the welding powder are found in the alloy of the material layer resulting from the welding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Metal Rolling (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Railway Tracks (AREA)
  • Nonmetallic Welding Materials (AREA)
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 true EP1736600A1 (fr) 2006-12-27
EP1736600B1 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)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554704A1 (de) * 1975-12-05 1977-06-08 Elektro Thermit Gmbh Geraeuschmindernde schiene
EP0356852A2 (fr) * 1988-08-30 1990-03-07 Elektro-Thermit GmbH Rail anti-bruit
EP0601420A1 (fr) * 1992-12-10 1994-06-15 Elektro-Thermit GmbH Rail à ornière longitudinale située au champignon, remplie d'une matière autre que celle du rail
WO1997018921A1 (fr) * 1995-11-23 1997-05-29 Jinpo Pluls A.S. Procede pour souder un metal d'apport sur des rails

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554704A1 (de) * 1975-12-05 1977-06-08 Elektro Thermit Gmbh Geraeuschmindernde schiene
EP0356852A2 (fr) * 1988-08-30 1990-03-07 Elektro-Thermit GmbH Rail anti-bruit
EP0601420A1 (fr) * 1992-12-10 1994-06-15 Elektro-Thermit GmbH Rail à ornière longitudinale située au champignon, remplie d'une matière autre que celle du rail
WO1997018921A1 (fr) * 1995-11-23 1997-05-29 Jinpo Pluls A.S. Procede pour souder un metal d'apport sur des rails

Also Published As

Publication number Publication date
EP1736600B1 (fr) 2009-08-19
ATE440178T1 (de) 2009-09-15
DE502006004568D1 (de) 2009-10-01
DE102005029005B3 (de) 2006-10-12

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