Extrapolation and Application of Standard EN 13749 in Strength Analysis of Locomotive Axle-Box Body

Extrapolation and Application of Standard EN 13749 in Strength Analysis of Locomotive Axle-Box Body

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According to existing standards for axle-box test not covering check and analysis of axle-box body, application scope, force types, and load cases were compared among several test standards for bogie frames.It was revealed that standard EN 13749 had the characteristics of wide variety of bogie categories, full consideration to loads, and ww2 glider infantry uniform definite method for force combination, which was suitable for extrapolation and application in strength assessment of axle-box body.During the extrapolating process of standard, the difference in force bearing way, magnitude and kinds of loads between axle-box body and frame were fully considered, so that the force types and the load cases were determined for strength calculation of axle-box body reasonably.

Furthermore, quarks dsp with the guide of the extrapolated standard EN 13749, static and fatigue strength analysis for the axle-box body of certain exporting locomotive was accomplished.