Comparing of Temperatures of Rolling Bearing under the Oil-Air Lubrication to the Spray Lubrication

Qi Guo Sun; Yue Fei Wang; Ying Wang; Hong Bo Lv

doi:10.4028/www.scientific.net/AMM.395-396.763

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 395-396Comparing of Temperatures of Rolling Bearing under...

Comparing of Temperatures of Rolling Bearing under the Oil-Air Lubrication to the Spray Lubrication

Abstract:

The heat generating mechanism inside the cavity of rolling bearing is analyzed and the convective heat transfer coefficient of bearing raceway surface in different rotational speed is calculated under the oil-air lubrication and the spray lubrication in this paper. The fluid domain geometry model of deep groove ball bearing SKF6208 is established, employing the flow field module in Workbench. The comparing simulations of the temperatures of rolling bearing cavity under the oil-air lubrication to the spray lubrication are done in different rotational speed. The simulation results show that the highest temperature of bearing cavity with the oil-air lubrication is almost the same to the spray lubrication when the bearing rotational speed is lower, and the highest temperature of bearing cavity with the oil-air lubrication is far lower than the spray lubrication when the bearing rotational speed is higher. Those conclusions verify the advantages of the oil-air lubrication in high rotational speed.

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Periodical:

Applied Mechanics and Materials (Volumes 395-396)

Pages:

763-768

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.395-396.763

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Online since:

September 2013

Authors:

Qi Guo Sun*, Yue Fei Wang, Ying Wang, Hong Bo Lv

Keywords:

Heat-Flow Coupling, Oil-Air Lubrication, Rolling Bearing, Spray Lubrication

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