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Prediction of Critical Blank-holding Force Criterion to Prevent Wrinkles in Axi-symmetric Cup Drawing
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- Authors
- Issue Date
- 2005-11-28
- Citation
- Proceedings of ICAM 2005: 2005 International Conference on Advanced Manufacture, Nov 28- Dec 2, Taipei, Taiwan
- Keywords
- deep drawing ; flange wrinkling ; blank holding force
- Abstract
- The repression of wrinkling during sheet metal forming has been a significant issue in
recent years. In order to provide a reliable and efficient tool to predict the critical blank holding force to prevent wrinkles, an axi-symmetric analytical model for flange wrinkling is introduced here. Using a conventional theory of the critical condition, the critical blank-holding force and wave numbers are numerically predicted. Comparison between the numerical and experimental results shows excellent agreement for various blank dimensions and materials.
- Language
- English
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