When it comes to further development or new concepts, rail logistics specialist Innofreight is an important address. Recently, the wagon fleet was expanded by a one-piece 80ft InnoWaggon Sggn. Less wagon weight but more train load were the requirements to make rail transport even more economical and efficient for Innofreight customers. For the overall approval, the company relied on PJM expertise. The various tests were evaluated in several stages:
- Fatigue strength: The strength tests were carried out by the PJM engineering experts according to EN 12663. Another task of the engineering team was to optimize the strength. The static tests were carried out by means of a mobile pressure frame at the site of MFL Liezen. The buffing impact tests took place mainly in St. Michael, not far from Innofreight's headquarters.
- Brakes: The static and dynamic tests according to TSI WAG:2020 were also carried out in the St. Michael area. The uncoupling tests were carried out with various loading conditions.
- Acoustics: The acoustic measurements according to TSI NOI 2014/1204/EU were used to determine pass-by noise, rail roughness and track decay rate.
This project included two novelties:
- Uncoupling device: For the first time, a new device developed by PJM was used for the suspension tests. The new component has proven itself very well since it is lighter, smaller and easier to operate.
- Solar energy: The measuring instruments were supplied with energy by means of a solar panel. The panel can be set up in just a few steps and provides sufficient power for the measurement tests in good weather.
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