Experimental Study of Drawing Load Curves in Forming Conical Parts by Hydroforming and Conventional Deep Drawing Processes

Abstract:

Since conical parts have wide applications in the industry and forming these parts is one of the most complex and difficult fields in sheet metal forming processes, the study on different methods in forming these parts can be useful. Hydroforming and conventional multistage deep drawing are two deep drawing processes which have been used to form conical parts. Hydroforming deep drawing is one of the special deep drawing processes which have been introduced in order to overcome some inherent problems in the conventional deep drawing with rigid tools. In the present work, an experimental program has been carried out to compare the drawing load variation and maximum drawing load in forming pure copper conical-cylindrical cups with the thickness of 2.5 mm by hydroforming and conventional multistage deep drawing processes. The results of the study demonstrate that drawing load variation is more uniform in the forming of conical parts by hydroforming deep drawing process. The maximum drawing load for drawing copper blank occurs at a higher amount in hydroforming process.

• Periodical: Advanced Materials Research (Volumes 291-294)
• Pages: 556-560
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.291-294.556
• Online since: July 2011
• Authors: Salman Norouzi, Amir Reza Yaghoubi, Mohammad Bakhshi-Jooybari, Abdolhamid Gorji
• Keywords: Comparison, Conical-Cylindrical Cup, Deep Drawing, Drawing Load Curve, Hydroforming

References

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