Hydrostatic bearings rely on an externally pressurized system to transmit force from a rotating shaft to a stationary surface.
The gap between the rotating shaft and the static surface is designed to allow for theoretically infinite machinery lifespan.
In machine terminology, the oil gap refers to the space between the shaft and bearing surface that’s filled with the vital, lubricating cushion of oil.
Maintaining a healthy oil gap is a vital consideration for the maintenance engineer to ensure minimal contact force between the stationary and rotating elements of the bearings.
Therefore, any changes in the oil gap may drastically affect the health and performance of the machines.
This whitepaper discusses in depth a range of sensors used for monitoring hydrostatic bearing health such as proximity probes, temperature sensors and accelerometers.
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