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논문 기본 정보

자료유형
학술저널
저자정보
김세호 (대구대학교)
저널정보
한국소성·가공학회 소성·가공 소성가공 제31권 제5호(통권 제201호)
발행연도
2022.10
수록면
261 - 266 (6page)

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초록· 키워드

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To reduce the weight of the vehicle, the application of the high strength steel sheets to chassis parts is increased. High forming load is induced during the shearing process of steel chassis parts made of high strength steel, and the possibility of an eccentric load is increased depending on the product seating condition on the die, which decreases the stability and lifespan of the die. In this paper, a three-dimensional finite element analysis with the continuum element was conducted using the damage theory for the cam-trimming process of the front lower arm. The structural analysis of the trimming die was performed with the forming load result obtained from the analysis, and the amount of deflection and the stress distribution of the die during the shearing process were evaluated for the confirmation of the tool stability. The shape of the weak region of the die was modified according to structural analysis and then the stability was confirmed with the finite element analysis. The analysis result showed that the possibility of tool failure during cam-trimming process was remarkably reduced, and the reliability of the proposed modified design was validated.

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Abstract
1. 서론
2. 전단공정 해석
3. 금형형상 변경
4. 결론
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