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논문 기본 정보

자료유형
학술대회자료
저자정보
김정민 (현대모비스) 이상민 (현대자동차) 김원영 (대원강업)
저널정보
한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2024년 한국자동차공학회 추계학술대회 및 전시회
발행연도
2024.11
수록면
563 - 566 (4page)

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초록· 키워드

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This paper deals with the optimization design and reliability evaluation of the new structure of the bush and bracket, which are components of the stabilizer bar assembly, to improve vehicle R&H performance. The stabilizer bar bush and bracket serve to fix the stabilizer bar to the vehicle body (member), and here, the bush affects ride comfort and noise issue depending on their structure and characteristics. The stabilizer bar low-friction bush has the effect of improving the vehicle's R&H performance by reducing the torsional characteristics of the bush through friction rotation between the bracket and bearing combined with the bush. It is necessary to review the optimized structure in consideration of securing the operation noise and sealing performance of the friction rotating part and minimizing cost increase.
In this study, the DFSS tool was used to review the new low-friction bush structure, optimize the shape/dimension of part, and then perform deformation/stiffness/strain FEM analysis. Then, we made a prototype samples, and verified the reliability test. There were no performance issues related to durability and noise, and the rotational friction force, which is a characteristic of low-friction bush, was reduced by about 85% compared to the current mass production specifications. Plastic brackets and bearings require dimensional optimization, because problems occur in rotational performance and assembly due to shrinkage and deformation after injection. In addition, in relation to the amount of bush rubber compression, it is necessary to set a different standard for the bush structure and characteristics than the current mass production specifications.

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Abstract
1. 서론
2. 최적화 설계
3. 해석 검증
4. 신뢰정 평가
5. 결론
Reference

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