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Experimental and finite element analysis of parameters in manufacturing of metal bellows

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Abstract

The manufacturing of metal bellows with high ratios of crown-to-root diameters is very sensitive to design parameters such as internal pressure inside the tube, axial force and movement, die-stroke length (distance of the dies) as well as the initial tube length. In this study a metal bellows is simulated with FEM using a commercial code (ABAQUS/Explicit) in order to find the optimum design parameters. Using the estimated design parameters lead to a product with acceptable quality. In this work, the manufacturing of metal bellows consists of only bulging and folding stages. After the folding process, internal pressure, axial force and annular plate dies are removed and the length of the bellows increases due to spring back. The quality of the final product depends on the amount of spring back, crown diameter, and thickness distribution. The results obtained from the experiment show very good agreement with the results of FEM.

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Authors and Affiliations

  1. Faculty of Mechanical Engineering, University of Tehran, Tehran, Iran

    Ghader Faraji, M. K. Besharati & M. Mosavi

  2. Queen’s University, Kingston, Ontario, Canada

    H. Kashanizadeh

Authors
  1. Ghader Faraji
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  2. M. K. Besharati
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  3. M. Mosavi
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  4. H. Kashanizadeh
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Correspondence to Ghader Faraji.

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Faraji, G., Besharati, M.K., Mosavi, M. et al. Experimental and finite element analysis of parameters in manufacturing of metal bellows. Int J Adv Manuf Technol 38, 641–648 (2008). https://doi.org/10.1007/s00170-007-1122-9

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  • DOI: https://doi.org/10.1007/s00170-007-1122-9

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