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논문 기본 정보

자료유형
학술저널
저자정보
Im-Jeong Cheon (Pusan National University) Seong-Cheol Park (Korea Maritime & Ocean University) Hyun Park (RHINOX) Sung-Kyu Hong (RHINOX) Kyung-Hun Lee (Korea Maritime and Ocean University)
저널정보
한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제44권 제3호
발행연도
2020.6
수록면
223 - 229 (7page)
DOI
10.5916/jamet.2020.44.3.223

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초록· 키워드

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Metal bars with a rectangular cross-section are typically produced via a multi-stage drawing process involving only converging dies. Recently, a new tandem drawing process, in which an intermediate roll-die and a converging die are arranged in tandem, has gained attention owing to its lower production costs when compared to those of the conventional process. In this study, an optimized shape of intermediate roll-dies for the tandem drawing process is proposed to produce rectangular cross-section stainless steel bars with high precision. To decrease the unfilled space at the corners of the bars during the final converging die drawing process, the shapes of the intermediate roll-dies were designed on the basis of the virtual die method and the die offset for the corner filling method. Their corner filling performances and deformation behavior were compared using finite element analysis. The results show that a reverse local offset along the flat part of the intermediate roll-die facilitates better corner filling, more uniform plastic deformation, and lesser damage susceptibility during the final converging die drawing process.

목차

Abstract
1. Introduction
2. Materials and Design Methodology
3. Validation of the intermediate roll-die profile design method
4. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2020-559-000840993