Temperature Field Analysis of Bearing

Yan Shuang Wang; Hai Feng Zhu

doi:10.4028/www.scientific.net/KEM.480-481.974

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 480-481Temperature Field Analysis of Bearing

Temperature Field Analysis of Bearing

Abstract:

Based on the quasi-static analysis and the power loss analysis, the temperature distribution is calculated by ANSYS.The different part temperatures of bearing are obtained. The influences of rotational speed, axial load and radial load on the temperature distribution are analyzed. The results reveal that axial load and rotational speed affect temperature distribution strongly. The effect of radial load is not signifcant,and the maxtemperature of bearing is at the point between balls and the inner ring. Bearings with shaft are widely used in gyro motors of aviation, aerospace, marine navigational systems. In a few applications, however, heat generated by friction can affects its performance, life and reliability, and consequently influences control precision and life of gyro motors[1]. So it’s important to evaluate heat generation of bearings with shaft for the design, manufacture and its application. A few researchers [2, 3] have analyzed the concentrated contact temperature. Their researches have been mainly focused on the temperature of contact surface. In addition, some researchers (Chinese and foreign) have calculated the temperature of bearing under the thermal network method [4, 5]. The above methods are easy to carry out, but only can the temperatures of some point be found. Compared with the thermal network method, the finite element model can get the temperature of the whole model. The temperature analysis has been pursued by some foreign and Chinese researchers under the method [6, 7]. The steady temperature field of bearing with shaft from a gyro motor is studied in the paper. The speed of ball and the temperature distribution are analyzed and studied by VC6.0++ and ANSYS. The temperature distribution under different axial load, speed of inner ring and radial load is calculated. Therefore the main effect of temperature distribution can be found.

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Periodical:

Key Engineering Materials (Volumes 480-481)

Pages:

974-979

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.480-481.974

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Online since:

June 2011

Authors:

Yan Shuang Wang, Hai Feng Zhu

Keywords:

Bearing with Shaft, Power Loss, Temperature Distribution, Temperature Field

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