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Evaluating thermal performance of a PTFE-faced tilting pad thrust bearing
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
2002 (English)In: ASME/STLE Joint International Tribology Conference and Exhibition, October 27 - 30, 2002, Cancun, Mexico, New York: American Society of Mechanical Engineers , 2002Conference paper, Published paper (Refereed)
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.

Place, publisher, year, edition, pages
New York: American Society of Mechanical Engineers , 2002.
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-40029Local ID: eff8ed60-65d5-11dc-8a3f-000ea68e967bOAI: oai:DiVA.org:ltu-40029DiVA: diva2:1013551
Conference
ASME/STLE Joint International Tribology Conference : 27/10/2002 - 30/10/2002
Note
Godkänd; 2002; Bibliografisk uppgift: CD-ROM. - Peper No. 137; 20070918 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-10-19Bibliographically approved

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