Measuring and verification of contact force in a rolling element bearing is a big problem. In this study, a new measuring method for contact force in a large-scale ball bearing is developed. The idea is to measure the deformation under the ball–race contact by displacement sensor at first, and the displacement of the end face of load bearing ring is also measured to determine the contact angle of ball–race contact. Then, the corresponding theory is developed to calculate the contact angle of ball–race contact by the displacement of the end face of load bearing ring. At last, the ball–race contact force is determined by accurately calculating through finite element method (FEM). Results show that the relation between contact force and deformation of measuring surface which is under ball–race contact is linear. The position of ball greatly affects the contact angle of ball–race contact. The contact angle of the ball which is near the arm of force is larger than that of the ball which is far from the arm of force. On the contrary, the measuring deformation of ball–race contact that is near the arm of force is less than that of ball–race contact that is far from the arm of force. The method developed here is only suitable for large-scale rolling element bearing because of the size constraint of the sensor.
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March 2018
Research-Article
Experimental Study on Contact Force in a Slewing Bearing
Guanci Chen,
Guanci Chen
Faculty of Mechanical and Electrical Engineering,
Kunming University of Science and Technology,
Kunming 650500, China
e-mail: gcchen@kmust.edu.cn
Kunming University of Science and Technology,
Kunming 650500, China
e-mail: gcchen@kmust.edu.cn
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Ge Wen,
Ge Wen
Faculty of Mechanical and Electrical Engineering,
Kunming University of Science and Technology,
Kunming 650500, China
Kunming University of Science and Technology,
Kunming 650500, China
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Zhengming Xiao,
Zhengming Xiao
Faculty of Mechanical and Electrical Engineering,
Kunming University of Science and Technology,
Kunming 650500, China
Kunming University of Science and Technology,
Kunming 650500, China
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Hongjun San
Hongjun San
Faculty of Mechanical and Electrical Engineering,
Kunming University of Science and Technology,
Kunming 650500, China
Kunming University of Science and Technology,
Kunming 650500, China
Search for other works by this author on:
Guanci Chen
Faculty of Mechanical and Electrical Engineering,
Kunming University of Science and Technology,
Kunming 650500, China
e-mail: gcchen@kmust.edu.cn
Kunming University of Science and Technology,
Kunming 650500, China
e-mail: gcchen@kmust.edu.cn
Ge Wen
Faculty of Mechanical and Electrical Engineering,
Kunming University of Science and Technology,
Kunming 650500, China
Kunming University of Science and Technology,
Kunming 650500, China
Zhengming Xiao
Faculty of Mechanical and Electrical Engineering,
Kunming University of Science and Technology,
Kunming 650500, China
Kunming University of Science and Technology,
Kunming 650500, China
Hongjun San
Faculty of Mechanical and Electrical Engineering,
Kunming University of Science and Technology,
Kunming 650500, China
Kunming University of Science and Technology,
Kunming 650500, China
1Corresponding author.
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received April 28, 2017; final manuscript received July 7, 2017; published online September 29, 2017. Assoc. Editor: Xiaolan Ai.
J. Tribol. Mar 2018, 140(2): 021402 (10 pages)
Published Online: September 29, 2017
Article history
Received:
April 28, 2017
Revised:
July 7, 2017
Citation
Chen, G., Wen, G., Xiao, Z., and San, H. (September 29, 2017). "Experimental Study on Contact Force in a Slewing Bearing." ASME. J. Tribol. March 2018; 140(2): 021402. https://doi.org/10.1115/1.4037356
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