Axial piston type pumps are often exposed to severe operating conditions because of the duty cycle, the environment, or, in some situations, poor maintenance and even abuse. The detrimental effects on the pump and the hydraulic system as a result of these adverse conditions are often not known or predictable. In this study, four controlled severe operating conditions were imposed on four identical axial piston type pumps. They included 1) constant high load pressure and normal fluid temperature, 2) constant high load pressure and elevated fluid temperature, 3) cyclic load pressure and normal fluid temperature, and 4) cyclic load pressure and elevated fluid temperature. The tests were long-term; they were run continuously for up to 5000 hours. The pump wear was monitored in all cases using ferrography. In addition, the condition of the fluid was monitored and the circuit filters were examined periodically. The results of the findings are presented in this paper.


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    Titel :

    Wear Trends of Axial Piston Type Pumps Operating in Severe Environments


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Bitner, D. V. (Autor:in) / Nikiforuk, P. N. (Autor:in) / Ukrainetz, P. R. (Autor:in)

    Kongress:

    1989 SAE International Off-Highway and Powerplant Congress and Exposition ; 1989



    Erscheinungsdatum :

    01.09.1989




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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