THE GOODS-WAGON BOGIES Y 25 AND 665

DIE GUETERWAGEN-DREHGESTELLE Y 25 UND 665

The decision of the DB to adopt the standardized bogie Y 25 for goods wagons with axle loads of up to 20 t means a further expansion in the bogie's scope of application, and standardization is eased. For goods wagons with an axle load of more than 20 t, the 665 bogie is available, for which the strength tests gave very good results. No defects have occurred on bogies of the 665 type already in service, and wear at the wheelset treads was remarkably low. The interest of the DB and various other European railways in raising the axle loading for goods wagons to 22 t has resulted in extensive studies, especially by the SNCF and DB (UIC) "permissible load features" sub-committee), and in the setting up of two ORE expert committees D 141 and B 142. The latter committee's task is to determine the criteria for the conditions to be meet by goods wagons for 22-tonnes axle load. In addition to stress measurements or the Y 25 bogie (welded and cast) and brake tests with ORE standard wheelsets, wear tests are being carried out on the Czechoslovak State Railways (CSD) test ring at Velim near Prague with wagons of the SNCF, SBB, SJ and DB. Several defects have appeared on the running gear designed for the 20-tonnes axle load. The difference in wheelset wear between longitudinally rigid and longitudinally flexible wheelset guides is clearly apparent. Four DB ORE wagons with the 665 bogie have been undergoing trials at the Velim test ring since October 1977 with a 22-tonnes axle load, and the results of the wear investigations are expected still in this year.

  • Corporate Authors:

    Hestra Verlag

    Holzhofallee 33, Postfach 4244
    6100 Darmstadt 1,   Germany 
  • Authors:
    • Madeyski, T von
  • Publication Date: 1978-11

Language

  • German

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00188367
  • Record Type: Publication
  • Source Agency: Eisenbahntechnische Rundschau
  • Files: TRIS
  • Created Date: Feb 27 1979 12:00AM