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탄소나노튜브 복합소재 전왜 특성과 3D 프린팅을 활용한 로드셀 개발 연구
강인필(Inpil Kang),정관영(Kwan Young Joung),최백규(Beak Gyu Choi),김성용(Sung Yong Kim),오광원(Gwang Won Oh),김병탁(Byung Tak Kim),백운경(Woon Kyung Baek) 유공압건설기계학회 2020 드라이브·컨트롤 Vol.17 No.4
This paper presents the basic research for the design and fabrication of a 3D-printed load cell made of NCPC (nano-carbon piezo-resistive composite). We designed a structure that can resonate at a low frequency range of about 5–6 Hz with ANSYS using sensitivity analysis and a response surface method. The design was verified by fabricating the device with a low-quality commercial 3D printer and ABS filament. We conducted a feasibility test for a commercial sensor using 1000 cyclic load tests at 0.3 Hz in a material testing system. A manufacturing process for the 3D printer filament based on the NCPC was also developed using the nano-composite process.