Parse the principle of hydrostatic bearing

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Hydrostatic bearing principle: the journal and bearing certain pressure of the supplied external bearing medium are completely separated, so as to reduce the relative friction between the journal and bearing, not subject to the restriction of the relative sliding velocity in the formation of the dielectric film body, at various speeds, (including zero speed), have a larger carrying capacity.

Hydrostatic bearing can be divided according to the different media, hydrostatic bearings, aerostatic bearing.bearing company

Spindle floating amount means the hydraulic pressure of pressure oil into the oil chamber is formed with the spindle or the load reaches a balance, the value of the displacement of the spindle float.

Hydrostatic bearing is the use of external oil source to produce the carrying capacity of the oil film bearings, hydrodynamic hybrid bearing both a combination of hydrodynamic and hydrostatic bearing advantages, but also overcome the two shortcomings of the new multi-oil film bearing oil wedge. It utilizes the principle of the throttle of the hydrostatic bearing, so that the pressure oil chamber to produce a sufficiently large bearing capacity of static finale, thereby overcoming the dynamic pressure bearing start and stop of the liquid caused by the dry friction between the spindle and the bearing wear phenomenon, improve the spindle retention and bearing service life and accuracy; bearing most of the oil chamber shallow cavity structure, in the start of the spindle, the bearing capacity of the carrying capacity of the the rely on a shallow cavity ladder effect to the formation of the dynamic pressure and static pressure overlay, greatly improve the spindle bearing capacity multi-cavity set structure gr eatly increase spindle rigidity; homogenization of high pressure oil film and good vibration performance, to ensure that the spindle with high rotational accuracy and smooth operation.thin section ball bearings