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논문 기본 정보

자료유형
학술저널
저자정보
Jun-Hyeong Park (Gyeongsang National University) Dong-Hyeon Cho (Gyeongsang National University) Ho-Young Kang (Gyeongsang National University) Mi-Ju Kwon (Gyeongsang National University) Su-Been Park (Gyeongsang National University) Min-Seoung Kim (Gyeongsang National University) Su-Jin Kim (Jams) Ji-Hoon Huh (Gyeongsang National University)
저널정보
한국생산제조학회 한국생산제조학회지 한국생산제조학회지 Vol.33 No.5
발행연도
2024.10
수록면
207 - 213 (7page)
DOI
10.7735/ksmte.2024.33.5.207

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초록· 키워드

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Manufacturing aircraft skin components requires high precision and structural integrity because of the process complexity. Traditional bolt friction brake fixation methods have resulted in inadequate stiffness, leading to suboptimal machining accuracy and surface finish. To address these issues, this study proposes a hydraulic fixation system to improve the stiffness of flexible jigs in CNC milling of aluminum plates. The hydraulic system"s performance was assessed via stiffness tests and repeated precision measurements, demonstrating significant improvements over conventional methods. The horizontal stiffness increased to 11.6 N/μm, marking an 830% improvement over that of bolt friction brakes, and the vertical stiffness reached 190 N/μm. Furthermore, the hydraulic system achieved an axial precision of 1 μm and radial precision of 5 μm under a working pressure of 30 MPa. These results underscore the effectiveness of hydraulic fixation systems for enhancing machining quality and fixture reliability in aerospace manufacturing.

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ABSTRACT
1. Introduction
2. Design Selection and Structural Analysis
3. Methodology
4. Results and Discussion
5. Conclusion
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