Effect of Contact Conformity on Grease Lubrication

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dc.contributor.authorOkál, Michalcs
dc.contributor.authorKošťál, Davidcs
dc.contributor.authorŠperka, Petrcs
dc.contributor.authorKřupka, Ivancs
dc.contributor.authorHartl, Martincs
dc.coverage.issue11cs
dc.coverage.volume10cs
dc.date.accessioned2022-12-06T07:53:23Z
dc.date.available2022-12-06T07:53:23Z
dc.date.issued2022-11-01cs
dc.description.abstractThis work focused on the experimental study of grease lubrication mechanisms around contacts in radial ball bearing 6314. The main objective of this work was to show the influence of conformities and their impact on grease lubrication in ball bearings. For the experiments, a tribometer of ball-on-ring configuration was used and fluorescence microscopy was chosen as the observation method. The results showed that, under starvation conditions, a conformity of 0.52 at velocities around 2 m/s produces a 50% thicker lubricating film than a conformity of 0.58. The available amount of lubricant around the contact area for conformity 0.52 was approximately three times less than that for conformity 0.58, and the same ratio was observed for the amount of lubricant on the rolling track. Experiments show that a realistic tribometer geometry allows a more accurate experimental study of the lubrication mechanisms of greases in ball bearings.en
dc.formattextcs
dc.format.extent1-13cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationLubricants. 2022, vol. 10, issue 11, p. 1-13.en
dc.identifier.doi10.3390/lubricants10110289cs
dc.identifier.issn2075-4442cs
dc.identifier.other179841cs
dc.identifier.urihttp://hdl.handle.net/11012/208588
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofLubricantscs
dc.relation.urihttps://www.mdpi.com/2075-4442/10/11/289cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2075-4442/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectgrease lubricationen
dc.subjectball bearingen
dc.subjectstarvationen
dc.subjectreplenishmenten
dc.titleEffect of Contact Conformity on Grease Lubricationen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-179841en
sync.item.dbtypeVAVen
sync.item.insts2023.02.10 20:52:44en
sync.item.modts2023.02.10 20:14:21en
thesis.grantorVysoké učení technické v Brně. Fakulta strojního inženýrství. Ústav konstruovánícs
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