Mohsen, Z., Jawad, W., Abed, A. (2023). Experimental and Theoretical Analysis to Produce Pentagonal Cup in Deep Drawing Process. Alustath, 41(12), 1432-1441. doi: 10.30684/etj.2023.138865.1407
Zainab H. Mohsen; Waleed K. Jawad; Assel H. Abed. "Experimental and Theoretical Analysis to Produce Pentagonal Cup in Deep Drawing Process". Alustath, 41, 12, 2023, 1432-1441. doi: 10.30684/etj.2023.138865.1407
Mohsen, Z., Jawad, W., Abed, A. (2023). 'Experimental and Theoretical Analysis to Produce Pentagonal Cup in Deep Drawing Process', Alustath, 41(12), pp. 1432-1441. doi: 10.30684/etj.2023.138865.1407
Mohsen, Z., Jawad, W., Abed, A. Experimental and Theoretical Analysis to Produce Pentagonal Cup in Deep Drawing Process. Alustath, 2023; 41(12): 1432-1441. doi: 10.30684/etj.2023.138865.1407

Experimental and Theoretical Analysis to Produce Pentagonal Cup in Deep Drawing Process

Engineering and Technology Journal
Article 1, Volume 41, Issue 12, December 2023, Pages 1432-1441    PDF (1.07 M)
Document Type: Research Paper
DOI: 10.30684/etj.2023.138865.1407
Authors
Zainab H. Mohsen* ; Waleed K. Jawad; Assel H. Abed
Production Engineering and Metallurgy Dept., University of Technology-Iraq, Alsina’a street, 10066 Baghdad, Iraq.
Abstract
The manufacturing industry heavily relies on deep drawing due to its remarkable ability to produce intricate symmetrical and asymmetrical shapes with accuracy and efficiency. This research aimed to create a deep drawing tool capable of producing a pentagonal cup measuring 41mm in diameter and 30mm in height. This was achieved by conducting numerical simulations and experimental tests using two different methods. The first method involved converting an 80mm diameter circular blank into a pentagonal cup through a drawing operation, while the second method involved redrawing a cylindrical cup into a pentagonal shape. The study also analyzed the impact of these methods on the drawing load, stress/strain distributions, and thickness distributions. The finite element method software, ANSYS 20, was employed for numerical simulations. The results showed that the first method had a significantly higher punch load than the second method. However, the pentagonal cup produced using the first method had a greater thickness reduction towards the cup wall curvature compared to those produced using the second method. Therefore, the second method was considered ideal for manufacturing a pentagonal cup because it resulted in a lower degree of thinning at the cup curvature and a more uniform distribution of thickness, stress, and strain. In conclusion, this research highlights the importance of deep drawing in the manufacturing industry and emphasizes the need to choose the appropriate forming method to achieve optimal results.

Highlights
  • Fabricate pentagonal cups using two different methods: the direct technique and the conversion technique.
  • The second forming method is the best method to produce a pentagonal cup.
  • Complex shapes in the deep drawing process can be produced using the second forming method.
Keywords
Pentagonal cup; Deep drawing; Cup wall; Drawing force; Strain thickness
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