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골절치료용 Intrelocking Nail System의 최적설계를 위한 유한요소법 응용
송병욱(Byeong-Uk Song),민경탁(Kyung-Tak Min),서태일(Tea-Il Seo),이정원(Jeong-Won Lee) 한국생산제조학회 2011 한국생산제조시스템학회 학술발표대회 논문집 Vol.2011 No.4
The active trauma system consists of several shaped bone plates and implant screws for fixation of fractured human bones with various manual instruments allowing to handle them. Interlocking nails have to be designed with suitable shapes. In order to verify whether interlocking nails were well designed, a series of bending tests. However optimized shapes of interlocking nails have to be determined before unnecessary number of bending tests. For this purpose FEM(Finite Elements Method) was applied during design process which allows us to investigate the bending strengths of interlocking nails. Based on FEM results, dimensions of interlocking nails were optimized in order to be suitably rigid without actual bending test.
마이크로 엔드밀을 이용한 Slot 가공에서의 공구변형에 의한 가공오차 보상
손종인,윤대진,윤길상,서태일 한국공작기계학회 2007 한국공작기계학회 추계학술대회논문집 Vol.2007 No.-
In this paper, we describe about machining error for tool deflection in slot-cutting processes using micro end-mill. In order to determine the compensated tool path, two machining error parameters are defined and modeled using the SEM images. Experiments are carried out to validate the approaches proposed in this paper. In result of, we decrease a machining error in slot-cutting processes for compensated tool path.