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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국기계가공학회 한국기계가공학회지 한국기계가공학회지 제8권 제3호
발행연도
2009.9
수록면
27 - 32 (6page)

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초록· 키워드

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In this study, static and dynamic stability estimations on the diecutter with finite element modelling were carried out to be creased and cut away printed sheet exactly. To cut away the sheet exactly, the large force should be pressured on diecutter. And which affects not only the quality of produced sheets but also the stability of diecutter. The analyses with and without the tare of diecutter were carried out with NASTRAN software on applying 400 ton force to its top and moving table respectively. It was known that maximum von-Mises stress of 221 ㎫ in diecutter was occurred at the toggle, and it was smaller than the yield stress of 280 ㎫. And maximum deformation of 0.75 ㎜ was occurred at the top table. The natural frequencies of 41, 102, 108, 115, and 134 ㎐ for the 1st, 2nd, 3rd, 4th and 5th mode, which had been determined by numerical simulation, were not coincided with the max. speeds of motor and moving table of 29 and 2 ㎐. And which was verified by vibration test. Therefore it may be estimated that the structure of the diecutter is statically and dynamically stable.

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ABSTRACT
1. 서론
2. 타발기
3. 유한요소 모델
4. 진동 시험
5. 안정성 평가
6. 결론
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UCI(KEPA) : I410-ECN-0101-2009-581-018943716