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Pressure Distribution in Crowned Roller Contacts
Saab-Scania AB, Aircraft Division.
Linköping University, Department of Management and Engineering, Solid Mechanics . Linköping University, The Institute of Technology.
1984 (English)In: Engineering Analysis, ISSN 0955-7997, Vol. 1, no 1, 32-39 p.Article in journal (Refereed) Published
Abstract [en]

The fatigue life of a roller bearing is heavily influenced by the crowning profile of the rollers. The pressure distribution for different types of crowning has been studied. For solving this three-dimensional contact problem a numerical procedure for analysis of general elasto-static contact problems has been used. The method is based on an incremental and iterative algorithm applied to a set of linear equations established with finite element technique. The contact surfaces are assumed to be perfectly smooth, dry and frictionless. The pressure distribution between the bodies has been compared with results obtained from other methods. The influence on the pressure distribution by the free boundary at the end of the finite cylinders has also been investigated. It is also shown that it is possible to use the same finite element model to study different types of crowning, thus making it efficient to perform paramater surveys. A method of obtaining required or ‘optimal’ pressure distribution is suggested.

Place, publisher, year, edition, pages
1984. Vol. 1, no 1, 32-39 p.
Keyword [en]
pressure distribution; roller bearings; crowned rollers; crowning; pressure control; optimal pressure
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-62358DOI: 10.1016/0264-682X(84)90007-8OAI: diva2:373605
Available from: 2010-12-01 Created: 2010-11-29 Last updated: 2011-01-21

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Torstenfelt, Bo
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ReferencesLink to record
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