Sierra Nevada Corporation (SNC) has developed planetary gearbox design guidelines that significantly improve the torque capacity per unit volume for an optimized gearbox under a study funded through the NASA Phase II SBIR Lightweight Gearbox Technology Program. The design was based upon optimizing both the physical configuration and material selection of the gearbox design. As a part of this study, many different materials and material processes were evaluated for their suitability for use in lightweight planetary gearboxes for space applications. Calculation methods used to predict gearbox load ratings and expected life were also validated through test. This paper presents findings that have been extracted and edited from the final Phase II report published by SNC.


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    Title :

    Trade Studies for a High Torque Density Planetary Gearbox


    Contributors:
    J. Mobley (author)

    Publication date :

    2012


    Size :

    6 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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