Measuring the single stroke volume of a multi-stage pump
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How to measure the single axial displacement of a multi-stage pump that does not have a balance disc but only rolling thrust bearings? My idea is as follows: Install the bearing housing, and adjust the step on which the thrust bearing shaft is mounted so that it is level with the bottom surface of the bearing housing (the surface in contact with the outer ring of the thrust bearing). At this point, the rotor will be in the center; if the rotor moves forward, it represents forward displacement, while moving backward represents backward displacement Please point out any mistakes, or suggest any better methods
It should be measured with the bearingless rotor in its free state