Abstract
In order to study the vibration and temperature rise characteristics of full ceramic ball bearings under high-temperature conditions, the bearing vibration test of a simulated high-temperature environment was conducted in this paper. The vibration and temperature rise properties of full ceramic ball bearings were measured under high-temperature variable working conditions in this experiment. The results demonstrate that the temperature rise and vibration acceleration of full ceramic ball bearings increase with the cavity temperature increasing from 50°C under a single load. The vibration and temperature rise increased with an increase in rotational speed. Due to the mechanical characteristics of a silicon nitride material, the change of temperature rise of a full ceramic ball bearing is relatively small. When temperature and speed were stable or only very low, full ceramic ball bearings operated stably. The results of the experiment can serve as a guide for the operational state of full ceramic ball bearings in high-temperature environments.
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