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논문 기본 정보

자료유형
학술저널
저자정보
Jeong Gon Kim (Korea Institute of Industrial Technology) Sung Yun Lee (Korea Institute of Industrial Technology) Jin Su Ha (Korea Institute of Industrial Technology) Soo Bin Han (Korea Institute of Industrial Technology) Seong Uk Kwon (Daesung Forge) Dae Cheol Ko (Pusan National University) Jin Seok Jang (Korea Institute of Industrial Technology)
저널정보
Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Vol.42 No.2
발행연도
2025.2
수록면
129 - 138 (10page)
DOI
10.7736/JKSPE.024.115

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초록· 키워드

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This study focuses on preventing folding defects in the forging process of parachute harness parts. Through three- dimensional finite element analysis, it was determined that folding defects arise from uneven metal flow and timing differences in the filling of various regions. To address these issues, a preform die was designed and evaluated using multi-stage forging simulations. The results indicated that the preform die facilitated uniform metal flow, preventing folding defects and ensuring consistent filling across all key areas. To verify the simulation results, surface and cross-sectional metal flow analyses were conducted. Additionally, the preform die reduced the maximum die load, which is expected to extend die lifespan and improve overall process efficiency. These findings demonstrate that precise control of metal flow and the application of a preform die can significantly enhance the quality and durability of forged components, providing valuable insights for improving forging processes across various industries

목차

1. Introduction
2. Current Forging Process of Harness Parts
3. Analysis of the Current Forging Process
4. Design and Verification of the Preform Die
5. Metal Flow Analysis in the Improved Forging Process
6. Conclusion
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