The increased lifetime demanded of state-of-the-art telecommunications satellites has necessitated the tribological redesign of an electric thruster pointing mechanism which is currently used in-orbit on the scientific ESA telecom satellite ARTEMIS. The change from dry to liquid lubrication will be described and results of in-vacuo tests under oscillatory motion will be presented. The tests were performed both at Austrian Aerospace (Austria) and at ESTL (UK). Results of strip-down inspections will be described and the lessons learned stated.


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    Titel :

    Roller screw lifetime under oscillatory motion: From dry to liquid lubrication


    Beteiligte:
    Falkner, M. (Autor:in) / Nitschko, T. (Autor:in) / Supper, L. (Autor:in) / Traxler, G. (Autor:in) / Zemann, J.V. (Autor:in) / Roberts, E.W. (Autor:in)


    Erscheinungsdatum :

    2003


    Format / Umfang :

    5 Seiten, 4 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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