DOI : https://doi.org/10.18517/ijaseit.14.1.19534

Research on Deep Drawing Technology for Tiny Parts Applied in the Electrical-Electronic Industry

Dinh Van Duy (1), Pham Ngoc Anh (2), Nguyen Van Sinh (3), Nguyen Quoc Long (4), Dang Thi Trang (5)
(1) School of Mechanical Engineering, Hanoi University of Science and Technology, Hanoi, 100000, Viet Nam
(2) Maritime University, Hanoi, 100000, Viet Nam
(3) School of Mechanical Engineering, Hanoi University of Science and Technology, Hanoi, 100000, Viet Nam
(4) School of Mechanical Engineering, Hanoi University of Science and Technology, Hanoi, 100000, Viet Nam
(5) School of Mechanical Engineering, Hanoi University of Science and Technology, Hanoi, 100000, Viet Nam
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How to cite (IJASEIT) :
Duy , Dinh Van, et al. “Research on Deep Drawing Technology for Tiny Parts Applied in the Electrical-Electronic Industry”. International Journal on Advanced Science, Engineering and Information Technology, vol. 14, no. 1, Feb. 2024, pp. 299-03, doi:10.18517/ijaseit.14.1.19534.
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Meso-and microforming is a technology to shape parts from extremely small metal billets. Parts with geometric dimensions are a few millimetres to a few micrometres. With the rapid development of the electrical-electronics industry and biomedical engineering, the technology of forming microscopic parts has been researched and applied because of its efficiency, accuracy, and high productivity. Deep drawing is an operation that turns flat sheet metal blanks into hollow, open-mouth parts. It is an essential process in sheet metal stamping. Micro deep drawing is one of the micro-shaping technologies that has been widely studied and applied in recent years. However, the bases for calculating technological and geometrical parameters in the micro-deep drawing have not yet been analyzed and evaluated in detail. Therefore, this paper has proposed a theoretical basis combined with simulation applied to the design of technology to manufacture a connector head part drawing die with a diameter of 300µm and height of 1500µm using materials SUS304 material. Numerical simulation also allows evaluation of the stamping part's internal stress state, the ability to pull the workpiece into the die, and the thickness distribution on the product wall. Experimental research has also verified that, with the determined parameters, the stamping parts meet the quality requirements. This indicates the proposed calculation methods for the tiny deep drawing operation are entirely suitable. The results of this research can be wholly applied to the production of micro-sized cylindrical cup parts using the deep drawing method.

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