Experimental and Simulation Study on Deep Drawing Process to Reduce Earing

S Pratheesh Kumar, S Elangovan… - Materials, Design and …, 2022 - Springer
Materials, Design and Manufacturing for Sustainable Environment: Select …, 2022Springer
Deep drawing is a popular press working process because it eliminates the need for costly
machining and welding steps whilst allowing for the production of components in a shorter
amount of time. A prior thermo-mechanical treatment has rendered the workpiece material
used in a deep drawing method anisotropic in nature, which makes it ideal for deep drawing.
Earring is one of the most typical defects made when using the deep sketching approach.
Understanding the process of ear formation in deep drawing allows for process change …
Abstract
Deep drawing is a popular press working process because it eliminates the need for costly machining and welding steps whilst allowing for the production of components in a shorter amount of time. A prior thermo-mechanical treatment has rendered the workpiece material used in a deep drawing method anisotropic in nature, which makes it ideal for deep drawing. Earring is one of the most typical defects made when using the deep sketching approach. Understanding the process of ear formation in deep drawing allows for process change earlier in the process, which can result in a defect-free end product whilst saving money. Using experimental and modelling investigations, the purpose of this paper is to reduce ear growth during the deep sketching process. Despite the fact that various parameters such as planar anisotropy, friction between the punch and die, and blank holding force are vital for ear formation, the shape of the initial blank has a considerable impact on the final ear design. Using a modified profile of the original blank shape, the purpose of this work is to reduce the formation of ear formation. It is simulated with DEFORM 3D software, how the ears form in the original and modified blanks will look like, and the findings are validated by conducting experimental trials on the blanks.
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