SKF bearing hydrostatic bearing saver

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SKF bearing hydrostatic bearing saver

Source: Bearing network time: 2014-02-18

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The pressure saver of the pressure bearing has two types: fixed saver and variable saver; the former's liquid resistance (saving damping) is fixed; the latter's liquid resistance is variable.
Fixed economizer static pressure bearing commonly used fixed economizers are capillary and small hole type. Capillary saver; is to use the injection needle 2 to cut the appropriate length; welding is made on the probe l. This saver uses oil flow The hydraulic resistance (saving damping) that occurs when passing through the elongated hole causes the pressure to drop.
The small hole saver is made of brass or 45 steel; it is used to save the resistance by using the small hole (d.). Because the liquid resistance of the fixed saver cannot be changed with the change of the external load; When the static pressure shaft is loaded, it is used to balance the external load; the pressure difference is formed between the oil chambers; and the large gap of the oil seal is determined by the oil chamber.
That is, it is necessary to maintain a certain amount of displacement after the spindle is loaded; the pressure difference that constitutes the oil chamber is required. This offset of the spindle affects its rotation accuracy; to further improve the rotation accuracy of the static pressure SKF bearing; Variable saver.
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