2012•Modern MachineryRequires access

Strength assessment for bogie frame based on UIC standard

Yongxiang Zhao

Abstract

The structure characteristic of a motor coach’s bogie welded frame has been introduced;its finite element model has been established.According to International Union of Railways Standard UIC615-4,the loads used to analyze frame strength has been calculated,including super-normal loads,service loads and additional loads;the load cases were got by grouping the loads,including some load cases used to analyze static strength and others used to analyze fatigue strength.Based on operating conditions,the static strength is researched;in term of Goodman Fatigue Limit Diagram,the fatigue strength of the bogie frame is evaluated.It is found that the bogie welded frame can meet the request of static and fatigue strength,which was ruled in the Standard.

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Available abstract

Key concepts: Bogie, Structural engineering, Fatigue limit, Welding, Frame (networking), Engineering, Finite element method, Mechanical engineering