Abstract
The finite difference method is used to solve the Reynolds equation and the steady state characteristics of single-axial groove bearings are obtained theoretically. It is assumed that the groove is located in four different positions on the top, the bottom, the left and the right of the bearings. The pressure distribution curves and bearing capacity of groove at four different positions are analyzed under the predefined boundary conditions. It has been shown that the oil film pressure distribution and bearing capacity remain unchanged with the common sleeve bearing when the groove is located in the divergence area of oil film; when the groove is located in the convergence area of oil film, the oil film pressure distribution will change greatly. Compared to the sleeve bearing with groove located in the divergence area, the bearing capacity of the sleeve bearing with groove located in the convergence area will decrease to a certain extent, the amplitude of the decrease will change with the different positions of groove in the convergence area of oil film. When oil groove is in the convergence area, though the carrying capacity and pressure decreases, the pressure forms the two pressure strips and the stable performance of sleeve bearing is improved.
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