Axial and Pressure Thrust Stiffness of Metal Bellows for Vibration Isolators

Metal bellows are used as a spring element and simultaneously as a container (shell) for a damping medium in vibration isolators, especially in applications where any leakage is inadmissible. Dynamic behaviour of these isolators is affected by axial stiffness of bellows and by a resistance against a...

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Main Authors: Ondřej Macháček, Michal Kubík, Zbyněk Strecker, Jakub Roupec, Petr Novák, Ivan Mazůrek
Format: Article
Language:English
Published: EDP Sciences 2018-01-01
Series:MATEC Web of Conferences
Online Access:https://doi.org/10.1051/matecconf/201815306001
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author Ondřej Macháček
Michal Kubík
Zbyněk Strecker
Jakub Roupec
Petr Novák
Ivan Mazůrek
author_facet Ondřej Macháček
Michal Kubík
Zbyněk Strecker
Jakub Roupec
Petr Novák
Ivan Mazůrek
author_sort Ondřej Macháček
collection DOAJ
description Metal bellows are used as a spring element and simultaneously as a container (shell) for a damping medium in vibration isolators, especially in applications where any leakage is inadmissible. Dynamic behaviour of these isolators is affected by axial stiffness of bellows and by a resistance against axial deformation of bellows filled with fluid, which is in this article called pressure thrust stiffness. A method of the pressure thrust stiffness determination is discussed in this study. The method uses FEM model, which has been verified by stiffness measurement of a chosen bellows. Consequently, the sensitivity analysis of bellows dimensions to axial and pressure thrust stiffness was performed to find a dimension parameter of bellows which allows to adjust the ratio between axial and pressure thrust stiffness. Sensitivity analysis shows that the stiffness ratio of metal bellows can be adjusted by two dimensional parameters - mean diameter of bellows and corrugation width.
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spelling doaj.art-ff2483422a2441b2b9fe69c68d16e0052022-12-21T20:02:10ZengEDP SciencesMATEC Web of Conferences2261-236X2018-01-011530600110.1051/matecconf/201815306001matecconf_icmme2018_06001Axial and Pressure Thrust Stiffness of Metal Bellows for Vibration IsolatorsOndřej MacháčekMichal KubíkZbyněk StreckerJakub RoupecPetr NovákIvan MazůrekMetal bellows are used as a spring element and simultaneously as a container (shell) for a damping medium in vibration isolators, especially in applications where any leakage is inadmissible. Dynamic behaviour of these isolators is affected by axial stiffness of bellows and by a resistance against axial deformation of bellows filled with fluid, which is in this article called pressure thrust stiffness. A method of the pressure thrust stiffness determination is discussed in this study. The method uses FEM model, which has been verified by stiffness measurement of a chosen bellows. Consequently, the sensitivity analysis of bellows dimensions to axial and pressure thrust stiffness was performed to find a dimension parameter of bellows which allows to adjust the ratio between axial and pressure thrust stiffness. Sensitivity analysis shows that the stiffness ratio of metal bellows can be adjusted by two dimensional parameters - mean diameter of bellows and corrugation width.https://doi.org/10.1051/matecconf/201815306001
spellingShingle Ondřej Macháček
Michal Kubík
Zbyněk Strecker
Jakub Roupec
Petr Novák
Ivan Mazůrek
Axial and Pressure Thrust Stiffness of Metal Bellows for Vibration Isolators
MATEC Web of Conferences
title Axial and Pressure Thrust Stiffness of Metal Bellows for Vibration Isolators
title_full Axial and Pressure Thrust Stiffness of Metal Bellows for Vibration Isolators
title_fullStr Axial and Pressure Thrust Stiffness of Metal Bellows for Vibration Isolators
title_full_unstemmed Axial and Pressure Thrust Stiffness of Metal Bellows for Vibration Isolators
title_short Axial and Pressure Thrust Stiffness of Metal Bellows for Vibration Isolators
title_sort axial and pressure thrust stiffness of metal bellows for vibration isolators
url https://doi.org/10.1051/matecconf/201815306001
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AT jakubroupec axialandpressurethruststiffnessofmetalbellowsforvibrationisolators
AT petrnovak axialandpressurethruststiffnessofmetalbellowsforvibrationisolators
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