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Á¦¸ñ : ÆäÆ®¿ë±â ¼ºÇüÀ» À§ÇÑ ÇÁ¸®Æû »çÃ⼺Çü ¹× ºí·Î¿ì ¼ºÇüÀÇ ½ÇÇè ¹× Çؼ®¿¡ °üÇÑ ¿¬±¸ ÀúÀÚ : ±èÁ¤¼ø, ±èÁ¾´ö, ±è¿Á·¡, ±Çâ¿À
¹ßÇàÇÐȸ : Çѱ¹»êÇбâ¼úÇÐȸ [The Korea Academia-industrial cooperation Society]
¹ßÇàÁ¤º¸ : Çѱ¹»êÇбâ¼úÇÐȸ³í¹®Áö Á¦ 9±Ç 5È£ pp.1119-1124(6 pages)
¹ßÇà³âµµ : 2008

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Abstract
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This study presents the prefo
rm injection molding and the blow molding of the injection stretch-blow molding process for PET bottles. The numerical analysis of the injection molding and the blow molding of a preform is considered in this paper using CAE with a view to minimize the warpage and the thickness. In order to determine the design parameters and processing conditions in injection/blow molding, it is very important to establish the numerical model with physical phenomenon. In this study, a three dimensional model has been introduced for the purpose and flow simulations of filling, post-filling and cooling process are carried out. The simulations resulted in the warpage in good agreement with the measurements. Also, from the result of numerical analysis, we appropriately predicted the warpage, deformation and thickness distribution along the product walls.   (ÀÌÇÏ »ý·«)

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