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논문 기본 정보

자료유형
학술저널
저자정보
Chang-Yeul Shin (Gyeong-Buk Hybrid Technology Institute) Jae-Jin Lee (Gyeong-Buk Hybrid Technology Institute) Ji-Hun Mun (Gyeong-Buk Hybrid Technology Institute) Soon-Deok Kwon (Gyeong-Buk Hybrid Technology Institute) Min-Seok Yang (Korea Institute of Industrial Technology) Jae-Wook Lee (Korea Institute of Industrial Technology)
저널정보
한국기계가공학회 한국기계가공학회지 한국기계가공학회지 제20권 제5호
발행연도
2021.5
수록면
76 - 84 (9page)

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In this study, an optimal stiffness model of the C-frame, which was supporting the mold and tool load, was proposed to obtain quality self-piercing riveting (SPR) joining. First, the load path acting on the C-frame structure was identified using topology optimization. Then, a final suggested model was proposed based on the load path results. Stiffness and strength analyses were performed for a rivet pressing force of 7.3 [t] to compare the design performance of the final proposed model with that of the initial model. Moreover, to examine the reliability of continuous and repeated processes, vibration analysis was performed and the dynamic stiffness of the final proposed model was reviewed. Additionally, fatigue analysis was performed to ascertain the fatigue characteristics due to simple repetitive loading. Finally, stiffness test was performed for the final proposed model to verify the analysis results. The obtained results differed from the analysis result by 2.9%. Consequently, the performance of the final proposed model was superior to that of the initial model with respect to not only the SPR fastening quality but also the reliability of continuous and repetitive processes.

목차

ABSTRACT
1. INTRODUCTION
2. Topology design optimization
3. Performance evaluation of design model
4. Stiffness test of a self-piercing rivet C-Frame
5. Conclusion
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