Customer
Linz AG Linien
Task
The newly procured low-floor vehicles had suffered from severe wheel wear due to the existing wheel-rail system and the tramway infrastructure in Linz. What is more, the wear behaviour affected the rails of Linz Linien network as well.
Solution
- Analysis of the wear behaviour exhibited by different types of vehicles in the Linz Linien network
- Analysis of how the existing rail-/operating system impacted wheel wear
- Analysis of wheel-rail contacts and development of a new wheel profile
- Create a step-by-step plan for the integration of the new wheel profile, and for the required manipulation (grinding) of the rail system
Outcome
- Implementation of a concept for wheel and rail maintenance within the Linz Linien network
- A change of driving direction in the reversing loops
- An increase in wheel mileage to more than twice its lifetime, and a consequential reduction of rail wear
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