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UIC/UIP/CER Action Programme Noise Reduction - Composite Brake Block Technology -

UIC/UIP/CER Action Programme Noise Reduction - Composite Brake Block Technology - (a project of UIC SG 5). Contents:. Introduction Status of Product Homologation and Technological Development Status on proposed Life Cycle Cost (LCC). For effective and efficient Noise Reduction it needs

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UIC/UIP/CER Action Programme Noise Reduction - Composite Brake Block Technology -

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  1. UIC/UIP/CER Action Programme Noise Reduction - Composite Brake Block Technology - (a project of UIC SG 5)

  2. Contents: • Introduction • Status of Product Homologation andTechnological Development • Status on proposed Life Cycle Cost (LCC)

  3. For effective and efficient Noise Reduction it needs Smooth Wheels on smooth track!! • Smooth Wheels ==> Composite Brake Blocks • Smooth Track ==> Special Grinding

  4. Progress on expanding K block product portfolio • Actually there are 3 types of brake blocks by different manufactures available for the wagon equipment: • Cosid 810 • approved since October 2003 • Becorit 929-1 SG • approved since July 2005 • substitute to Becorit 929-1 • Jurid 816 M • approved since July 2005 • substitute to Jurid 816 • Details see document:“Design Rules for Composite (K) Brake Blocks” on UIC Website

  5. Progress on expanding LL block product portfolio • Actually there are 3 types of provisionally approved brake blocks by different manufactures available for the wagon equipment: • ICER Becorit IB116 • provisionally approved since February 2005 • CoFren C952 • provisionally approved since February/July 2005 • Jurid PM 132 • provisionally approved since July 2005 • Details see document:“Usage Guidelines for Composite (LL) Brake Blocks” on UIC Website

  6. General fundamentals – Overview of open work items • Development of efficient test procedures: • 1. Winter Testing Conditions • 2. Brake Failure Simulation • 3. Wear Behaviour Simulation (brake block and wheel) • 4. Shunt capability (famously known as “Shuntage”) • Inclusion of these efficient test procedures in UIC-Leaflet and EN: • 5. Revision of UIC Leaflet 541-4 and transfer to EN • Technical / in-service work item: • 6. Stopping force of the hand/parking brake

  7. Overview on LCC activities K-blocks • Detailed report available (UIC DT 400) • ==> Rough conclusions: • On the basis of economic evaluations the LCC of the couple “Composite Brake Block (CBB) / wheel” are comparable to that of “cast iron / wheel” if • the service life of the Composite Brake Blocks is more than tripled compared to cast iron and • the rate of wear of the wheel is less than doubled • Materials are available, that meet these requirement! • The LCC can be influenced very positively, if the maintenance concept is adapted to the reduced wear rate of the brake blocks.

  8. Overview on LCC activities LL-blocks • Report will be available by end of 2007 after the actually running in-service tests • ==> Rough estimation: • Materials will be available to reach cost neutrality

  9. Thank you for your attention!

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