Análisis de tensiones en árboles de geometría compleja. // Stress analysis in complex geometry shafts.
Abstract
En el presente trabajo se exponen los resultados del análisis realizado en árboles de compleja geometría pertenecientes a un
multiplicador planetario tipo 2KH-A destinado a emplearse en aerogeneradores de electricidad. En el mismo, se presentan
los modelos físico-matemáticos de dichos árboles para ser analizados mediante el método de los elementos finitos,
considerando el estado de carga que surge al funcionar el mecanismo y contemplando el efecto adicional de las cargas
giroscópicas. Se muestran las zonas de conflicto de tensiones y se analizan propuestas de diseño que permitan, garantizando
la resistencia y rigidez, realizar variaciones dimensionales y mejorar la compacidad de los elementos, disminuyendo a la
vez el peso de los mismos.
Palabras claves: Elementos finitos, multiplicador planetario, diseño de árbol, resistencia mecánica.
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Abstract
The results of the analysis in shafts of complex geometry, belonging to a planetary multiplier type 2KH-AM to be used
in wind generators is presented. The physical-mathematical models of these shafts are analyzed by means of finite
element method. Can increasing of load when the mechanism is working and contemplating the additional effect of the
gyroscopic loads. The tension distribution are shown and design proposals are analyzed to improve the resistance, rigidity
and to improve the compactness of the elements. This analysis constitutes an application of the the finite element method
of which reference doesn't exist
Key Words: Finite elements method, planetary gear unit, shaft design, mechanical strength.
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