As ultra-precision index of high-precision ball bearings, the value of non-repetitive run-out (NRRO) directly influences the rotation accuracy in complex mechanical system. Reducing NRRO contributes to improve the quality of manufacturing in machining tools. This paper developed a new high-precision bearing measuring system to analyze the NRRO of an angular contact ball bearing caused by geometrical errors of bearings’ parts. The characteristic of measuring system as follows:

(1) The air-bearing spindle that is drive by servomotor is used to support the test bearing to ensure the system accuracy and continuously variable;

(2) The air-bearing of flat is used to load of non-contact on the test bearing along axial direction for simulation conditions of bearings;

(3) The multi-capacitive displacement sensors are used to measure run-out of the air-bearing spindle vibration of the radial direction, then the run-out is separated as system error;

(4) The NRRO of axial and radial directions caused by geometrical errors of the rings raceways and the balls could be analyzed.

This content is only available via PDF.
You do not currently have access to this content.