Boyuan Yang

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The behaviors of two lithium lubricating greases were investigated under EHL circular contact through measurements of traction coefficients on a self-made rig in which the contact was continuously fed with fresh grease. The average values of Erying shear stress and shear modulus of the two lithium greases were obtained from traction experimental data using(More)
Roundness, roughness and bad channel shape of bearing ring are important factors which influence the friction torque of sensitive bearings. In this paper, as for gyroscope framework sensitive bearings, the dynamic friction torque of bearing with four defects is analyzed, the four defects include outer ring in bad gully shape, inner circle in bad gully(More)
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