NDLI: Finite Element Analysis of Side-Load Springs for McPherson Front Suspensions

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Frendo, Francesco Sarra, Vincenzo Spina, Michele
Copyright Year	2006
Abstract	In the present work, the operating conditions of “side-load” springs, which are typically employed in McPherson suspensions, were analysed by finite element analysis. The finite element model, including the spring and the upper and lower spring seats, is firstly described in the paper; the spring geometry was accurately obtained by a reverse engineering procedure based on two video cameras and a video projector. Surface to surface contact elements were defined between spring and seats; the initial assembling phase of the spring between the seats was also included in the finite element analysis. The experimental rig, employed for spring characterisation, and the performed numerical analyses are then presented; results are discussed in comparison with experimental data, in terms of spring characteristic, side-load force and thrust axis spatial position, as a function of spring compression. A fully satisfactory agreement was generally observed between numerical results and experiments. The effect of lower spring seat orientation on results was also investigated by numerical analysis. A higher inclination of the lower seat appeared to increase the side-load force; at the same time, for a given configuration, the thrust axis orientation, remained almost constant during suspension compression.
Starting Page	305
Ending Page	312
Page Count	8
File Format	PDF
ISBN	0791842495
DOI	10.1115/ESDA2006-95573
e-ISBN	0791837793
Volume Number	Volume 2: Automotive Systems, Bioengineering and Biomedical Technology, Fluids Engineering, Maintenance Engineering and Non-Destructive Evaluation, and Nanotechnology
Conference Proceedings	ASME 8th Biennial Conference on Engineering Systems Design and Analysis
Language	English
Publisher Date	2006-07-04
Publisher Place	Torino, Italy
Access Restriction	Subscribed
Subject Keyword	Side-load spring Thrust axis Finite element analysis Mcpherson suspension Springs Stress Thrust
Content Type	Text
Resource Type	Article

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