A Study on Rolling Element Skew Measurement in a Tapered Roller Bearing With a Specialized Capacitance Probe
Author:
Yang Yeyuan1, Danyluk Steven1, Hoeprich Michael2
Affiliation:
1. Georgia Institute of Technology, George W. Woodruff School of Mechanical Engineering, Atlanta, GA 30332-0405 2. The Timken Company, Canton, OH 44706-0927
Abstract
This paper reports on roller skew in tapered roller bearings. The roller skewing of a tapered roller bearing is experimentally measured with a specialized capacitance probe (Kelvin contact potential difference, CPD, probe). The probe measures the electro-chemical potential difference between the probe and roller surfaces. Two probes are inserted through holes in the housing and bearing outer race. The electrical signals from both ends of a roller are used to determine the skewing. The technique, as well as the effect of lubrication and rotational speed on the roller skewing, is presented. It is shown that the skewing increases with an increase in rotational speed, and the lubrication of the large end of the roller. A theoretical analysis has been developed to account for the experimental results. [S0742-4787(00)01803-8]
Publisher
ASME International
Subject
Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials
Reference19 articles.
1. Harris, T. A., 1991, Rolling Bearing Analysis, 3rd ed., Wiley, New York, pp. 498–504. 2. Gupta, P. K.
, 1989, “On the Dynamics of a Tapered Roller Bearing,” ASME J. Tribol., 111, pp. 278–287. 3. Palmgren, A., 1959, Ball and Roller Bearing Engineering, 3rd ed., Burbank, PA. 4. Witte, D. C.
, 1973, “Operating Torque of Tapered Roller Bearings,” ASLE Trans., 16, pp. 61–67. 5. Zhang, Z., Qiu, X., and Hong, Y., 1988, “EHL Analysis of Rib-roller End Contact in Tapered Roller Bearings,” STLE Tribol. Trans., 31, pp. 461–467.
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