Paper Title:
On the Buckling Behaviour of Telescopic Hydraulic Cylinders
  Abstract

Telescopic cylinders are generally employed as linear actuators, when the desired moving span is several times the length of the closed device, like in cargo trucks lifting applications, for instance. During the active phase of the actuation, hydraulic power is normally used to feed pressu-rized fluid inside the cylinder, thus providing the progressive extension of the cylinder ele-ments and the required operative axial thrust. In this condition, therefore, cylinders must bear external compressive loadings in an increasingly slenderness configuration, which can give rise to buckling failures. In this study, experimental measurements of the limiting axial loadings of telescopic cylind-ers, in full extended conditions, have been performed both in laboratory and during real oper-ations on the field. The strains of the material in the critical sections and the lateral deflec-tions of the tested structures have been recorded as a function of the applied loads. The re-sults of this investigation are presented and discussed, in order to identify the signals of inci-pient buckling and find out the ultimate load carrying capabilities of this kind of components.

  Info
Periodical
Key Engineering Materials (Volumes 417-418)
Edited by
M.H Aliabadi, S. Abela, S. Baragetti, M. Guagliano and Han-Seung Lee
Pages
281-284
DOI
10.4028/www.scientific.net/KEM.417-418.281
Citation
P. Morelli, "On the Buckling Behaviour of Telescopic Hydraulic Cylinders", Key Engineering Materials, Vols. 417-418, pp. 281-284, 2010
Online since
October 2009
Authors
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Price
$32.00
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