Determination of Rheological Parameters for Several Lubricants Applied in the High-Speed and High-Pressure Bearings

Yan Shuang Wang

doi:10.4028/www.scientific.net/AMM.55-57.1407

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 55-57Determination of Rheological Parameters for...

Determination of Rheological Parameters for Several Lubricants Applied in the High-Speed and High-Pressure Bearings

Abstract:

Traction coefficients of several domestic lubricants in various operating conditions were measured on a self-made test rig. The equations for calculating the average values of limiting shear stress and shear elastic modulus of the lubricants applied in the high-speed and high-pressure bearings were advanced. The example calculations for one lubricating oil and two lubricating grease were then made. The results show that the regression precisions of the equations above are satisfied. The equations also adapt to the other lubricants in the same operating conditions.