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http://dx.doi.org/10.5916/jkosme.2015.39.7.729

Forging process design of cup shaped large forging using finite element method  

Kang, Jong Hun (Department of Mechatronics Engineering, Jungwon University)
Kim, Hyun Jun (Kiwon corporation)
Lee, Hyoung Woo (Department of Mechatronics Engineering, Jungwon University)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.39, no.7, 2015 , pp. 729-734 More about this Journal
Abstract
This research developed a new deep-bore, cup-shape, large forging process by combining die forging and free forging methods. In the proposed process, a preform for cup-shape large forging is produced by die forging, and a product with a deep bore is finally manufactured using an open die forging method, which is generally produced using a backward extrusion process. Finite element analysis results showed a higher effective strain distribution with a smaller forging load using the proposed method compared to the backward extrusion method. The production of a prototype with good internal quality using a small press capacity verified the proposed method.
Keywords
Forging process; Large sized forging; Forging load reduction technique; Finite element method;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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1 S. P. Dudra and Y. T. Im, "Investigation of metal flow in open-die forging with different die and billet geometries," Journal of Materials Processing Technology, vol. 21, no. 2, pp. 143-154, 1990.   DOI   ScienceOn
2 S. K. Choi, M. S. Chun, and C. J. Van Tyne, "Optimization of open die forging of round shapes using FEM analysis," Journal of Materials Processing Technology, vol. 172, no. 1, pp. 88-95, 2006.   DOI   ScienceOn
3 D. Y. Kim, Y. D. Kim, D. K. Kim, and J. D. Kim, "A study on the open die forging preform shape of crank throw for large ship engines," Proceedings of Korean Society for Technology of Plasticity Conference, pp. 191-194, 2003 (in Korean).
4 S. K. Choi, W. T. Kim, M. S. Chun, and Y. H. Moon, "Effect of process parameters on cylindrical open die forging," Proceedings of Korean Society for Technology of Plasticity Conference, pp. 221-224, 2003 (in Korean).
5 M. Knap, G. Kugler, and H. Palkowski, "Prediction of material spreading in hot open-die forging," Steel Research International, vol. 75, no. 6, pp.405-410, 2004.   DOI
6 K. Tamura, M. Akiyama, and J. Tajima, "Optimization of anvil design for ensuring dimensional precision of forged round billet without forging defects by three-dimensional rigid-plastic finite element analysis," International Journal of Engineering Science, vol. 219, pp. 461-475, 2005.
7 K. Tamura and J. Tajima, "Optimization of open-die forging process design to ensure homogeneous grain size refinement of cast structures by three-dimensional rigid-plastic finite element analysis," Journal of Mechanical Science and Technology, vol. 218, no. 9, pp. 931-946, 2004.
8 Y. C Kwon, J. H Kang, and S. S Kim, "A door frame for wind turbine towers using open-die forging and ring-rolling method," Transactions of the Korean Society of Mechanical Engineers A, vol. 39, no. 7, pp. 721-727, 2015 (in Korean).   DOI   ScienceOn
9 M. W. Kim, J. R. Cho, and D. Y. Kim, "A study on the development of integral forging process for cask of nuclear fuel," Proceedings of Korean Society for Technology of Plasticity Conference, pp. 369-372, 2006 (in Korean).