Abstract
Hybrid sleeve bearings are normally lubricated with high viscosity lubricant, the temperature of oil film increases with the increase of rotating speed. The low viscosity lubricant can decrease the temperature, which is the efficient method to increase the rotating speed of hybrid sleeve bearings. A current situation of the published research works on high speed sleeve bearing with low viscosity lubrication was summarized. The structure of high speed sleeve bearing with low viscosity lubrication was introduced, the effect of wall slip, cavitation, surface roughness, temperature and et al. on bearing properties was analyzed, and the significance of lubrication study for high speed journal bearing with low viscosity lubricant was discussed. Keywords-low viscosity, high speed machine tool, key technology.
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