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Evaluating thermal performance of a PTFE-faced tilting pad thrust bearing
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Maskinelement.
2003 (engelsk)Inngår i: Journal of tribology, ISSN 0742-4787, E-ISSN 1528-8897, Vol. 125, nr 2, s. 319-324Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

This paper compares and analyses operating characteristics of equalizing tilting pad thrust bearings with babbitt and polytetrafluoroethylene (PTFE) composite facings. Each bearing arrangement included six pads with an outer diameter of 228.6 mm and 60 percent offset. The babbitted bearing was typical of design in general use. A PTFE composite was applied instead of the babbitt to a similar bearing. Bearings were tested at different load-speed combinations in the fully flooded mode. Pad temperature distributions, collar temperatures and bearing friction torque were continuously measured. Test results show that the PTFE composite provides excellent thermal insulation so that pad thermal crowning is eliminated. PTFE-faced bearings operate with lower power loss and slightly higher collar temperatures compared to similar babbitted bearings.

sted, utgiver, år, opplag, sider
2003. Vol. 125, nr 2, s. 319-324
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URN: urn:nbn:se:ltu:diva-14336DOI: 10.1115/1.1506329ISI: 000181922900012Scopus ID: 2-s2.0-0037387324Lokal ID: db0967c0-683e-11dc-a0c3-000ea68e967bOAI: oai:DiVA.org:ltu-14336DiVA, id: diva2:987291
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Validerad; 2003; 20070921 (ysko)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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