Rolling Stock Bogie Energy Management and Brake-Wheel interaction

Start: 2017-01-1

End: 2017-12-31

Project code: 2017/RSF/535

Project director: Marc ANTONI

Project manager: Sophie SERODON

The homologation of new Composite Brake Blocks (CBB) is limited to very few products due to the wide range of different requirements that the brake blocks must meet.

The homologation criteria for the CBB concerning their interaction with the Wheelsets and the overall performance of the Brake system are based on the current regulatory framework (UIC Leaflets, TSI, etc.). Unfortunately there is not a unique correspondence between the criteria applied to different subsystems (e.g. the energy input criterion applied to wheelset and to CBB is different).

Especially during the latest 2015 homologation processes, tests showed that there is a consistent gap between the energy input of the standard drag braking test bench simulation and the brake failure test; for this reason the homologation of CBB with the current requirements is nearly impossible and additional requirement specifications have to be set in order to assure the quality of the homologated CBB.

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Thursday 30 August 2018

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