EFFECT OF INTERFERENCE FIT BETWEEN WHEEL HUB AND AXLE SEAT OF A RAIL VEHICLE ON STRESSES IN A TRANSITION ZONE
Journal Title: Scientific Journals of Silesian University of Technology. Series Transport - Year 2014, Vol 2014, Issue 82
Abstract
The main goal of the study is investigation of the effect of an interference fit between the wheel hub and the axle of a rail vehicle as well as some axle dimensions on the state of stress in the transition zone in vicinity of the connection: hub wheel - axle journal. An important role in behaviour of the fatigue notch occurring there plays the interference fit. The influence on the quantitative effects of the stress-strain state is to be considered. In order to investigate this phenomenon the finite element method with use of the three-dimensional elements and the contact was applied. The problem is important because of the increasing speed of modern passenger vehicles. Additionally, a threat occurs not only because of the loss of capacity of the axle, but also because of the possibility of slip between the wheel and the axle journal.
Authors and Affiliations
Paweł ROMANOWICZ, Henryk SANECKI
Keywords
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