Abstract
Bearing temperature rise amplitude is related to the running state of bearing and spindle thermal error, so the measurement of bearing temperature field is helpful to ascertain the bearing running characteristic and analysis of the spindle thermal error. On the basis of thoroughly understood several reasons of bearing heat generation, this article analyzes bearing temperature field simulation based on ANSYS and bearing temperature field measurement based on fiber Bragg grating sensors. The results showed that using fiber Bragg grating is able to complete the bearing temperature field distribution measurement perfectly.
Highlights
The temperature rise amplitude and the temperature distribution status of high-speed rolling bearing directly affect the bearing itself and the spindle bearing system performance
Because there is no contact area in the non-bearing section, heat generation will be less than the bearing area; in the bearing area, because of different sizes of contact area of ball and ring, heat generation will not be equal either.[3]
Full description of bearing temperature field is helpful to monitor the current running status of bearing and analysis of the spindle thermal error caused by the temperature difference
Summary
The temperature rise amplitude and the temperature distribution status of high-speed rolling bearing directly affect the bearing itself and the spindle bearing system performance. Overall heat spreads through the contact areas; based on calculation of total bearing heat, this article accomplished the bearing outer ring temperature field simulation through ANSYS. Measurement temperatures of FBG1-6 are as follows: 32.84°C, 31.55°C, 31.61°C, 31.40°C, 31.51°C, and 32.56°C
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