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Research on Continuous Extrusion Method for Forming Thin-Walled Cup-Shaped Details †

Nguyen, M.T. and Hoang, P.L. and To, B.Q. and Nguyen, Q.D. (2023) Research on Continuous Extrusion Method for Forming Thin-Walled Cup-Shaped Details †. Engineering Proceedings, 56 (1). ISSN 26734591

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Abstract

Backward extrusion is a suitable method for forming thin-walled cup-shaped details. However, the deformation force is very large, making it difficult to choose equipment and ensure the durability of the die. The continuous extrusion method is improved from the traditional backward extrusion method to overcome the main disadvantages in the deformation process. The die structure in continuous extrusion is improved, including three main parts: fixed punch, primary punch, and die. The use of a smaller size original workpiece that is deformed in the fixed punch and flows into the die cavity is the cause of the significant reduction in the deformation force. The result obtained is that the deform of the workpiece is uniform and 200 larger according to the product height, and the deformation force is reduced by less than 50 compared to the traditional backward extrusion method. Therefore, continuous extrusion method is highly applicable in the production of products in industry and national defense. © 2023 by the authors.

Item Type: Article
Divisions: Offices > Office of International Cooperation
Identification Number: 10.3390/ASEC2023-16626
URI: http://eprints.lqdtu.edu.vn/id/eprint/11170

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