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탄소-아라미드 복합소재 로봇암의 진동감쇠 물성시험과 전산해석
신동우,권일준,박성민,박용민,최진경,Shin, Dong-Woo,Kwon, Il-Jun,Park, Sung-Min,Park, Yong-Min,Choi, Jin-Kyung 한국섬유공학회 2015 한국섬유공학회지 Vol.52 No.6
In accordance with the increase in demand for LCDs and the increasing industry competition with higher productivity, the size of LCD glass has been gradually increasing. When transferring a robot hand by setting up an LCD panel, the vibration increases the inertia and load of up and down motion, rotational motion, and mobile motion of the whole robot. With regards to the up and down motion of the robot hand, when time is short on study of the vibration reduction. In this paper, we evaluate the structural arm of an LCD robot by using finite element analysis and fast Fourier transform (FFT). An impact test of the arm, which is made from the composite materials of carbon fiber reinforced plastics (CFRP) and Kevlar fiber reinforced plastics (KFRP) for lightweight and damping, was conducted.
이종소재인 CFRP와 알루미늄의 접착력 향상을 위한 Bead의 영향 평가
신동우,김진재,이종혁,권일준,박성민,Shin, Dong-Woo,Kim, Jin-Jae,Lee, Jong-Hyuk,Kwon, Il-Jun,Park, Sung-Min 한국복합재료학회 2017 Composites research Vol.30 No.4
In this paper, we investigated the application method and properties of 0.1 mm, 0.2 mm and 0.3 mm beads, which can secure a certain thickness due to the molding stability of joint surfaces of different materials (aluminum and composite). In order to verify this, the influence was evaluated according to the thickness of the adhesive in the Double lap test and the FEM simulation. As a result, it was confirmed that as the content of the bead of the adhesive increased more than 1%, the strength of the adhesion increased and the elongation decreased. We confirmed as the size of the bead became larger, the rigidity became lower and the elongation increased. 본 논문에서는 알루미늄과 복합재료에 대한 이종소재 접합면의 성형안전성을 위해 일정한 두께를 확보할 수 있는 0.1 mm, 0.2 mm, 0.3 mm bead의 적용 방법과 물성변화에 대해 연구하였고, 이를 검증하기 위해 더블랩 시험과 FEM 시뮬레이션으로 접착제의 두께에 따라 미치는 영향을 평가하였다. 그 결과, 접착제에 bead의 양을 1% 이상 함량이 증가함에 따라 접착 소재의 강도가 높아지고 신율이 감소함을 확인하였고, bead의 크기가 커질수록, 강성은 낮아지고, 신율은 증가함을 확인하였다.