Thermal deformation of machine tools is a prime concern due to its significant effect on machining error. Accurate prediction of the thermal deformation of the structure is critically dependent on the understanding and modelling of the heat transfer process at the joint. An integrated system approach to the tribological and thermoelastic behavior of the joint led to the development of an algorithm to calculate the thermal and deformation response of the structure, with the behavior of the joint taken into account. To implement this algorithm using the conventional finite element method, the dynamic contact element is introduced to model the static, dynamic, and thermal properties of the joint. Based on the experimental findings for the rheological properties of a joint undergoing a micro-slip, a multi-Voigt model is used. The dynamic contact element accounts also for the effect of fretting and the oscillatory mode of motion on the thermal contact resistance.
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November 1991
This article was originally published in
Journal of Engineering for Industry
Research Papers
Effect of Fretting on Thermal Deformation of a Machine Structure
M. H. Attia,
M. H. Attia
Mechanical Research Department, Ontario Hydro Research Division, Toronto, Ontario, Canada
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L. Kops
L. Kops
Department of Mechanical Engineering, McGill University, Montreal, Quebec, Canada
Search for other works by this author on:
M. H. Attia
Mechanical Research Department, Ontario Hydro Research Division, Toronto, Ontario, Canada
L. Kops
Department of Mechanical Engineering, McGill University, Montreal, Quebec, Canada
J. Eng. Ind. Nov 1991, 113(4): 425-433
Published Online: November 1, 1991
Article history
Received:
October 1, 1990
Online:
April 8, 2008
Citation
Attia, M. H., and Kops, L. (November 1, 1991). "Effect of Fretting on Thermal Deformation of a Machine Structure." ASME. J. Eng. Ind. November 1991; 113(4): 425–433. https://doi.org/10.1115/1.2899717
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