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한국기계항공기술학회지(구 한국기계기술학회지) [Journal of the Korean Society of Mechanical and Aviation Technology]
<생산기술>
육골 폐기물 재활용을 위한 파쇄 및 포장 시스템의 개발
한국기계항공기술학회(구 한국기계기술학회) 한국기계항공기술학회지(구 한국기계기술학회지) 제20권 제6호 2018.12 pp.936-940
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4,000원
Wasted meat & bone has generated as byproducts in the slaughtering process of livestock and also faced with demands for its recycling and environmental protection. Many studies have been conducted to recycle byproducts and carried out mainly on the crushing of bones and the vacuum packing technology of products. In this study, the crushing unit, transporting unit, separated unit and packing unit have designed for development of the crushing and packing systems. Also, to confirm the performance of this system, the experimental verification were carried out the working noise and packing weight.
한국기계항공기술학회(구 한국기계기술학회) 한국기계항공기술학회지(구 한국기계기술학회지) 제20권 제6호 2018.12 pp.941-946
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4,000원
Currently, due to the development of technology, the industry is proceeding with the development of advanced materials with high performance such as light weight, heat resistance and electric conductivity. Carbon Fiber Reinforced Plastics (CFRP) is an excellent material with high heat resistance, high strength and thermal shock resistance. In order to obtain excellent hole shape in CFRP drilling, we compared the modified drill shape and the conventional carbide drill. On the other hand, we determine the proper helix angle by observing the CFRP surface according to the helix angle at the trimming of the end mill proceeding after the hole machining.
차량 동역학 모델 해석에 기반한 자작 전기차 너클의 설계
한국기계항공기술학회(구 한국기계기술학회) 한국기계항공기술학회지(구 한국기계기술학회지) 제20권 제6호 2018.12 pp.947-956
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4,000원
This research has been conducted to design upright parts of hand-made vehicles with the purpose of reducing material and machining cost while ensuring structural safety. Aluminum knuckles were modelled with three parts in order to enhance design flexibility as well as to reduce CNC machining cost. A vehicle model was constructed in CAD program and simulated in ADAMS View in order to estimate joint forces developing during 20 degree step steering condition at 60km/h. The joint forces obtained in the vehicle dynamics simulation were used for the structural analysis in ANSYS and dimensions of knuckle parts were adjusted until the lowest safety factor reached 2.0. The weight of knuckle decreased by 50% compared to the previous version that was designed without the structural analysis. The overall manufacturing cost decreased by 33% due to the reduction in the material as well as the CNC machining effort.
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