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알루미늄 튜브 하이드로포밍에서의 예비 굽힘 공정의 효과에 관한 연구
임희택,박경창,김형종,김헌영 江原大學校 産業技術硏究所 2004 産業技術硏究 Vol.24 No.B
Recently social demands of fuel economy and environmental regulations require the development of lightweight components and new manufacturing technologies. The aluminum tube hydroforming is a manufacturing process which can provide lightweight components as automotive parts. In this paper, the hydroformability of aluminium tube in different condition of bending process is presented. An investigation has been conducted on how to control the deformed shape and its effect on thinning distribution after hydroforming by using finite element simulation. Finite element simulation of tube hydroforming for automotive trailing arm is carried out to explore the effect of 2-dimensional and 3-dimensional bending.
SCM을 위한 정보시스템의 확산이 채찍효과에 미치는 영향에 관한 연구
임희택,강경식,Lim, Hee-Taek,Kang, Kyung-sik 대한안전경영과학회 2017 대한안전경영과학회지 Vol.19 No.1
The size of the market for SCM information systems have globally and steadily increased. And there are businesses that obtained innovative business performance by introducing SCM information systems. However, many businesses have still undergone trial and error in the process to introduce and operate SCM. As external factors including suppliers, customers, etc. and internal factors of businesses have been analyzed to be failure factors of executing SCM information systems, the businesses that try to introduce SCM information systems need to understand possible failure factors and establish the solutions. Therefore, this study tries to verify the diffusion of SCM information systems and effects on bullwhip effects. The study is expected to suggest empirical data that people will refer to the establishment of next counterstrategies according to the lapse of the period that systems are introduced based on theoretical bases related to the diffusion of SCM information systems.