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Tytuł pozycji:

DETERMINATION OF STATIC LIMITING LOAD CURVES FOR SLEWING BEARING WITH APPLICATION OF THE FINITE ELEMENT METHOD.

Tytuł :
DETERMINATION OF STATIC LIMITING LOAD CURVES FOR SLEWING BEARING WITH APPLICATION OF THE FINITE ELEMENT METHOD.
Autorzy :
Krynke, Marek
Selejdak, Jacek
Borkowski, Stanisław
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Temat :
FINITE element method
BEARINGS (Machinery)
MATHEMATICAL models
SURFACES (Technology)
TRUSSES
Źródło :
Materials Engineering / Materialove Inzinierstvo; May2013, Vol. 20 Issue 2, p64-70, 7p
Czasopismo naukowe
In slewing bearings, a great number of contact pairs are present on the contact surfaces between the rolling elements and raceways of the bearing. Computations to determine the load of the individual rolling elements, taking into account the flexibility of the bearing ring, are most often carried out using the finite element method. Construction of a FEM full model of the bearing, taking into account the shape of the rolling elements and the determination of the contact problem for every rolling element, leads to a singularity of stiffness matrix, which in turn makes the problem impossible to solve. In FEM models the rolling elements are replaced by one-dimensional finite elements (linear elements) to simplify the computation procedure and to obtain an optimal time for computations. The methods of modelling the rolling elements in the slewing bearing, in which balls have been replaced by truss elements with a material non- linear characteristic located between the raceway centres of the curvatures in their axial section, are presented in the paper. [ABSTRACT FROM AUTHOR]
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