Fully coupled finite element analysis of an automatic multi-stage cold forging process
- Authors
- Byun, J.B.; Lee, H.J.; Park, J.B.; Seo, I.D.; Joun, M.S.
- Issue Date
- 2020
- Publisher
- Scitec Publications Ltd.
- Keywords
- Automatic multi-stage cold forging; Complete analysis; Coupled analysis; Die deformation; Precision simulation
- Citation
- Solid State Phenomena, v.311 SSP, pp 88 - 93
- Pages
- 6
- Indexed
- SCOPUS
- Journal Title
- Solid State Phenomena
- Volume
- 311 SSP
- Start Page
- 88
- End Page
- 93
- URI
- https://scholarworks.gnu.ac.kr/handle/sw.gnu/8165
- DOI
- 10.4028/www.scientific.net/SSP.311.88
- ISSN
- 1012-0394
1662-9779
- Abstract
- In this paper, non-isothermal analysis of an automatic multi-stage cold forging process of a ball-stud is conducted using a new material model which is a closed form function of strain, temperature and strain rate covering low and warm temperatures for high-strength stainless steel SUS304. An assembled die structural analysis scheme is employed for revealing the detailed die stresses, which is of great importance for process and die design for metal forming of the materials with high strengths. Die elastic deformation is dealt with to predict final geometries of material with higher accuracy. A complete analysis model is proposed to be used for optimal design of process and die designs in automatic multi-stage cold forging of high-strength materials. ? 2020 Trans Tech Publications Ltd, Switzerland.
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