Mechanics & Industry
Volume 14, Number 1, 2013
|Page(s)||23 - 30|
|Published online||02 April 2013|
A 3D comprehensive finite element based simulation for best Shrink Fit design process
Department of Agricultural Machinery Engineering, Faculty of
Agriculture, University of Jiroft, Jiroft, Iran
2 Young Researchers and Elites Club, Kerman Branch, Islamic Azad University, Kerman, Iran
a Corresponding author:
Accepted: 11 February 2013
Shrink fits are low-price connections which are widely used in industry and industrial connections. In designing shrink fits it is important to consider radial interface for optimized performance and also to choose an accurate method of fabrication and assembling. Parts which have to be assembled are usually exposed to thermo-mechanical loads. Mode and time duration of heat transfer have a significant effect on required hydraulic force, stress time rate of creation in parts and joint ability to withstand against external loads. Therefore, planning a set of appropriate thermal and structural procedures has significant role in reducing energy consumption, optimized performance and promoting the speed of parts assembly. Despite of the fact, few researches have been done on shrink fit operation and design, rather than dimensional design. In this study, shrink fits are studied in two main processes: first heating and mounting process and then backing to the ambient condition. A 3D coupled thermal and structural simulation based on FEM is done on each process through well-known Solidworks Premium. To evaluate the accuracy, exact analytical solution of two steel rings shrink fit is compared with the approach outcomes. Results of validated method are used for choosing the most optimum sub processes of shrink fit fabrication.
Key words: Shrink fit connection / coupled thermal–mechanical analysis / design process / finite element / solidworks
© AFM, EDP Sciences 2013
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