Although it has been reported that the increase of base oil viscosity and the selection of suitable VII (Viscosity Index Improver) are key factors to improve metal fatigue life for the development of low viscosity ATF, the problem of gear fatigue life has not been perfectly solved. In this study, the effect of VII on gear fatigue life was evaluated by using EHD film thickness measurement and the block on ring friction tester. Based on the study, the low viscosity ATF that has good anti-pitting performance in gears can be proposed by optimizing the combination of base oil and VII.


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    Titel :

    Study of Low Viscosity ATF with Extending Gear Fatigue Life


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Fujita, Hiroshi (Autor:in) / Ikeda, Toshiki (Autor:in) / Takakura, Yutaka (Autor:in)

    Kongress:

    JSAE/SAE International Fuels & Lubricants Meeting ; 2007



    Erscheinungsdatum :

    2007-07-23




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Study of low viscosity ATF with extended gear fatigue life

    Fujita,H. / Takakura,Y. / Ikeda,T. et al. | Kraftfahrwesen | 2007


    Bending Fatigue Life Estimation of Carburized Steel Gear

    Martowibowo, S. Y. | British Library Conference Proceedings | 1997



    Extending the Fatigue Life of SGA Interconnects for Aerospace Applications

    Larson, M. C. / Verges, M. A. / Institute of Electrical and Electronics Engineers | British Library Conference Proceedings | 2000


    Fatigue life of spur and helical gear sets

    Townsend, D. P. / Zaretsky, E. V. / Coy, J. J. | NTRS | 1976