Abstract
The equivalent stress at key positions of Bogie Frame for DMUs Exported to Tunisia is obtained by using simulation analysis. The evaluation of static strength and fatigue strength is checked referring to UIC specification and Goodman sketch for welding materials. In addition, the modal analysis of the frame is made, and the vibrational modal of frame in given frequency domain is predetermined to evaluate the dynamical behavior of the frame in order to meet the dynamical design requirements. The results show that the key points of the calculated frame of the equivalent stress are less than allowable stress, and thus it could provide a theoretical foundation for the optimized design of frame structure and safety of industrial production.
Highlights
The bogie frame is the main load bearing components and power transmission components of the vehicle, when the vehicle is in motion the process, to the bogie frame to withstand loads, and need to pass a variety of forces between the body and the wheel
The bogie Frame for DMUs Exported to Tunisia is adopted by welded structure, Figure 1 demonstrates that the main framework architecture is H-shaped in the horizontal plane, which is composed of two box-shaped side sills, the overall composition of the box beam welding, by the central concave belly of the fish box structure composed of a spring seat side beam welding, basic brake mounts, anti-roll torsion bar seat, etc., the cavity has a thickness of 10 mm stiffener plate [3]
According to the UIC615-4 specification, this research analyzes the static strength and fatigue strength of bogie frame for DMUs exported to Tunisia
Summary
The bogie frame is the main load bearing components and power transmission components of the vehicle, when the vehicle is in motion the process, to the bogie frame to withstand loads, and need to pass a variety of forces between the body and the wheel. This paper is to understand the export Tunisia DMUs bogie basic components, infrastructure characteristics, determined the type of bogie frame load sources and calculated in accordance with the relevant specifications to determine the load; to use the Hyper mesh software architecture network entities meshing, to re-use the ANSYS finite element analysis software for finite element analysis of the bogie frame. (2014) Fatigue Strength and Modal Analysis of Bogie Frame for DMUs Exported to Tunisia. The bogie Frame for DMUs Exported to Tunisia is adopted by welded structure, Figure 1 demonstrates that the main framework architecture is H-shaped in the horizontal plane, which is composed of two box-shaped side sills, the overall composition of the box beam welding, by the central concave belly of the fish box structure composed of a spring seat side beam welding, basic brake mounts, anti-roll torsion bar seat, etc., the cavity has a thickness of 10 mm stiffener plate [3]. Box beam structure for the central opening, the transverse beam welding has ended with stopper seat, traction rod seat, motor bracket, gearbox bracket and secondary lateral damper seat and so on
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