The relationship between piston ring and out side of diameter (hereon referred to as OD) wear of ring has not been fully analyzed. In this study, the relationship between the ring OD wear and ring friction force during the break-in period, where ring OD wear occurs in a short period of time, was analyzed. After 20 hours of firing test, Friction mean effective Pressure (hereon referred to as FMEP) of nitrided ring having OD wear was 1.6kPa higher than that of Physical Vapor Deposition (hereon referred to as PVD) ring having little amount of wear (hereon referred to as “no OD wear”).In addition, lubricating condition of piston system during break-in period was also analyzed in this study.When plateau-honing cylinder was used, the FMEP showed an increasing trend over a 20-hour period of firing test. The cause of this increasing trend is the deterioration of lubricating condition of the piston skirt.


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    Titel :

    Lubricating Condition of Piston Ring and Cylinder for Significantly Reducing Piston Friction Loss (Lubricating Condition of Plateau-Honing and Single-Honing Cylindersduring Break-in)


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    SAE World Congress & Exhibition ; 2009



    Erscheinungsdatum :

    2009-04-20




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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