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Self-weight loading of horizontal hydraulic cylinders with axial load

Lookup NU author(s): Dr Jack Hale


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An iterative matrix method is described to determine the deformed shape of a horizontal stepped tube with large axial load, representing a heavy hydraulic cylinder. The method is applicable to both simply supported (pinned-pinned) and clamped-clamped end constraints. The clamped-clamped case is extended to include rotational compliance in the clamps. Using this analysis, radial loads on the piston seals of the cylinder are determined.Comparison is made between the seal loading of a typical large cylinder in pinned-pinned and clamped-clamped configurations, respectively. It is shown that the seal loading can be considerably reduced by the use of the clamped-clamped configuration provided the ends can be well aligned, but that the load is sensitive to angular misalignment.

Publication metadata

Author(s): Hale JM, Sim EY

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 5th Symposium on Mechanics of Slender Structures 2015 (MoSS2015)

Year of Conference: 2016

Online publication date: 02/06/2016

Acceptance date: 23/05/2016

ISSN: 1742-6588

Publisher: Institute of Physics Publishing Ltd.


DOI: 10.1088/1742-6596/721/1/012006

Series Title: Journal of Physics: Conference Series