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    Volume 7, Issue 5 (November 2018)

    Special Issue Paper

    Analysis of Oil Film Characteristics of Two-Axial Groove Sleeve Bearings

    (Received 24 October 2017; accepted 5 June 2018)

    Published Online: 2018

    CODEN: MPCACD

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    Abstract

    Based on the finite finite difference method, the Reynolds equation, the flow equilibrium relationship of oil film gradient, and the oil film thickness equation are solved for different groove locations and depths in two-axial groove sleeve bearings. The oil film pressure, extent of the cavitation zone, and carrying capacity of two-axial groove sleeve bearings are computed at different oil groove locations and depths. With the increase of oil groove depth, the oil film pressure of two-axial groove sleeve bearings decreases noticeably, and the bearing capacity decreases gradually. It can be concluded that the maximum oil film pressure and bearing capacity of two-axial groove sleeve bearings are lower than that of the common sleeve bearing. With the groove position moving along the circumferential direction, the oil film pressure peak heights and bearing capacities decrease and then increase. The oil film pressure peak heights and load capacities reach maximum when the position of the two-axial oil groove is about 20° and 200°. It has been proven that different positions of oil grooves show different influences on the extent of the cavitation zone. The first oil groove is always located in the full oil film region, and the second oil groove may be located in the full oil film region or the cavitation region because of the change of distance from the convergent wedge of the bearing. The cavitation area firstly decreases and then increases with the movement of the groove in the circumferential direction.

    Author Information:

    Wang, Li-li
    College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao Economic & Technical Development Zone, Qingdao, Shandong Province

    Wei, Yu-liang
    College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao Economic & Technical Development Zone, Qingdao, Shandong Province

    Yuan, Guo-teng
    College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao Economic & Technical Development Zone, Qingdao, Shandong Province

    Zhao, Xing-tang
    College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao Economic & Technical Development Zone, Qingdao, Shandong Province

    Geng, Huan
    College of Mechanical and Electronic Engineering, Shandong University of Science and Technology, Qingdao Economic & Technical Development Zone, Qingdao, Shandong Province


    Stock #: MPC20170155

    ISSN:2379-1365

    DOI: 10.1520/MPC20170155

    Author
    Title Analysis of Oil Film Characteristics of Two-Axial Groove Sleeve Bearings
    Symposium ,
    Committee G02