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강도보강용 STS304 베젤 프레임 헤밍 공정의 금형 설계
김강현(G. H. Kim),이상호(S. H. Lee),김병민(B. M. Kim) 한국소성·가공학회 2008 소성가공 : 한국소성가공학회지 Vol.17 No.6
As the structure of a mobile phone becomes thin to catch up with a slim product trend, the structural strength and resistance to shock of TFT-LCD module are getting to be reduced. Hence, TFT-LCD module is the strength reinforced by bezel frame. The bezel frame was produced by the multi hemming processes with several folding parts. The determination of the optimal number of hemming part and structure of bezel frame are very important process parameter to obtain the strength of that. The effect of process parameters on strength of bezel frame was investigated by FEA. Based on the result of FEA, the experiment was performed using manufactured hemming die, the result of the experiment was compared with FEA and verified. Also, three point bending tests were performed to check the strength of bezel frame.