Method for In Situ Film Thickness Measurement of Ball Bearings under Combined Loading using Capacitance Measurements

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Original languageEnglish
Article number107524
JournalTribology international
Volume171
Early online date10 Mar 2022
Publication statusPublished - Jul 2022

Abstract

In this study, a novel capacitance based analytical method to monitor the film thickness in a ball bearing under a combination of axial and radial load is presented. Furthermore, an extended method is presented to infer the difference between the lubricant film height on the inner ring and the outer ring of a rolling element. Numerical investigations provide the basis for describing the influence of the operating parameters on the lubricant film thickness distribution in the HERTZ'ian contact. The method for calculating the correction factor k c presented in a previous paper is extended so that it is valid for a wider operating range. This makes it possible to calculate the total capacitance of a contact from the capacitance of only the HERTZ'ian contact area.

Keywords

    Capacitance method, Condition monitoring, Film thickness, Rolling bearing

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Method for In Situ Film Thickness Measurement of Ball Bearings under Combined Loading using Capacitance Measurements. / Schneider, Volker; Bader, Norbert Fritz; Liu, Haichao et al.
In: Tribology international, Vol. 171, 107524, 07.2022.

Research output: Contribution to journalArticleResearchpeer review

Schneider V, Bader NF, Liu H, Poll G. Method for In Situ Film Thickness Measurement of Ball Bearings under Combined Loading using Capacitance Measurements. Tribology international. 2022 Jul;171:107524. Epub 2022 Mar 10. doi: 10.15488/13257, 10.1016/j.triboint.2022.107524
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abstract = "In this study, a novel capacitance based analytical method to monitor the film thickness in a ball bearing under a combination of axial and radial load is presented. Furthermore, an extended method is presented to infer the difference between the lubricant film height on the inner ring and the outer ring of a rolling element. Numerical investigations provide the basis for describing the influence of the operating parameters on the lubricant film thickness distribution in the HERTZ'ian contact. The method for calculating the correction factor k c presented in a previous paper is extended so that it is valid for a wider operating range. This makes it possible to calculate the total capacitance of a contact from the capacitance of only the HERTZ'ian contact area. ",
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author = "Volker Schneider and Bader, {Norbert Fritz} and Haichao Liu and Gerhard Poll",
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Download

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AU - Schneider, Volker

AU - Bader, Norbert Fritz

AU - Liu, Haichao

AU - Poll, Gerhard

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