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Automatic flatbed diecutter(AFD) presses down, cuts away printed sheet, and diecuts box in exact size in boxing process. To diecut box in exact size bottom table of AFD should not deform or be broken where top table and moving table has pressed down with 40 KN diecutter pressure millions times. Therefore structural analysis of AFD should be studied first of all.
In this study linear structural analysis was carried out with FEM software where 40KN diecutter pressure condition, tatra4 element type, hypermesh generation is used. To study whether top table or moving table is weak at 40KN pressure, the analysis under each 40KN pressure at two tables was carried out. And To study displacement and von-mises stress at the weakest point of AFD the analysis under 40KN pressure at top table and moving table at the same time was carried out. As the result of the analysis displacement and von-mises stress at the toggle which is the weakest point of the AFD at the pressure were known to be 7.4 ㎛ and 2.29㎫. The displacement is very small not to be able to diecut box in exact size and the stress is smaller about a hundred times than allowable tensile stress of the toggle. Therefore structure of AFD must be stable under 40KN diecutter pressure.

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ABSTRACT
1. 서론
2. 자동 평판 타발기
3. 구조해석
4. 해석결과
5. 결론
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UCI(KEPA) : I410-ECN-0101-2009-581-019518653