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Numerical Simulation and Experimental Analysis on the Deep Drawing of Cylindrical Cups

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Abstract

In the deep drawing process, material of blank is transformed into the desired complicated shape by a punch. In this paper, a technique for increasing the drawability of AA1200 aluminium alloy cylindrical cups has been developed. Effects of die and punch geometry including die and punch fillet radius, on limiting drawing ratio (LDR), drawing load with respect to punch stroke and strain of the cup wall have been investigated numerically for optimal process design. A commercial finite element simulation package, ANSYS 14.0, is used in order to determine the optimum limiting drawing ratio. An experimental setup is built accordingly with a half cone angle of 18°. In the experimental and finite element analysis, AA 1200 alloy sheets are used. The effects of the original blank thickness (t = 2 mm) on the various LDR and punch load are numerically investigated. The present process successfully produces cylindrical cups with drawing ratio of 2.64.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Maulana Azad National Institute of Technology, Bhopal, India

    Rashmi Dwivedi & Geeta Agnihotri

Authors
  1. Rashmi Dwivedi
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  2. Geeta Agnihotri
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Correspondence to Rashmi Dwivedi.

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Dwivedi, R., Agnihotri, G. Numerical Simulation and Experimental Analysis on the Deep Drawing of Cylindrical Cups. Trans Indian Inst Met 68 (Suppl 1), 31–34 (2015). https://doi.org/10.1007/s12666-015-0598-5

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  • DOI: https://doi.org/10.1007/s12666-015-0598-5

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