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System Flexis

The Smart Switch Maintenance System

Vossloh developed the Flexis System in order to meet the special requirements involved with switch maintenance. The machines reprofile the entire turnout and are highly flexible. They are compatible with all international track gauges (light rail and standard gauge) and can be on-railed and off-railed very quickly. Flexis can fulfill the all the maintenance requirements of a turnout: everything from the initial removal of mill-scale to preventive grinding and the removal of defects such as skid spots, head checks and corrugations. This increases the rail’s service life considerably, while at the same time reducing its failure susceptibility and noise emissions.

Top-Features

Highlights

Flexis System Grinding

Flexis is a system for machining a rail’s cross-sectional and longitudinal profiles. It is used for both preventive grinding and for removing defects that already exist, particularly on turnouts. A turnout’s condition is carefully analyzed before machining begins in order to determine how much material to remove. The grinding work is then done in a series of passes.

Machining the entire switch

The Flexis System can machine an entire turnout including the frog and the point blades, which larger machines cannot access. There is no need to disassemble rail switching equipment or any other trackside fittings, so railway traffic operations can resume immediately after the machining work has been completed.

Efficient and precise

The Flexis System stands out thanks to its short track possession times, flexible handling and precise surface machining. There’s no preparation work necessary and turnouts and rails can be vacated in a matter of minutes, which allows the machining work to be done without disrupting the timetable. Moreover, the material removed corresponds exactly to calculated requirements. The end result fulfills all the requirements of the Deutsche Bahn AG.

Combines perfectly with HSG

Entire route sections including moveable frogs can be machined using Flexis in combination with HSG trains. Many of our customers are already taking advantage of this all-in-one solution, a package that reduces track closures to an absolute minimum.

References

Since 2007, HSG-2 trains have been in operation on a host of different rail lines all around the world.

A few among many special lines include:

High speed lines (up to 350 km/h)
  • Shanghai–Beijing (first rail line in China with speeds over 300 km/h)
  • Cologne–Frankfurt (first rail line in Germany with speeds over 300 km/h)
  • Lanzhou-Xinjiang Line (high-altitude mountain route in China up to 3600 meters a.s.l)
  • Gotthard Base Tunnel (world's longest rail traffic tunnel)
  • Berlin-Munich VDE 8.2 (first ETCS line in Germany)
  • HSL Zuid

Mixed traffic lines
  • Berlin–Hanover
  • Mainz–Worms

Facts

  • Additional measuring technology: removal, longitudinal profile, cross-sectional profile and eddy current
  • Track gauge: 990 mm up to 1,550 mm
  • Preventive up to corrective material removal (up to 1.5 mm)
  • Average machining time: 4 hours for a turnout with a radius of up to 760 mm
  • Weld-based removal of isolated defects
  • Grinding of the entire area requiring machining
  • Grinding of break-outs on point blades

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Vossloh Rail Services GmbH

Hannoversche Straße 10
Zufahrt über Nartenstr. 14
21079 Hamburg
Germany

Phone: +49 (0) 40 430931-0

Fax: +49 (0) 40 430931-342

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