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자동차용 풀리의 정적 하중 조건에서의 응력분포에 관한 연구
황범철(BeomCheol Hwang),이헌호(HeonHo Lee),장재덕(JaeDuk Jang),주인식(InSik Joo) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
More than five pulleys are used in an automobile, such as crankshaft, water pump, air-con compressor, fan and power steering pump pulley. Although the shape of pulley is simple, the design evaluation of a pulley is difficult because of composite boundary conditions such as the thickness of a pulley, the tension force of a v-belt, the tightening torque of bolts and the shape of a bracket, etc. So, in this study, we carried out stress analysis at static load condition and analyzed the results according to boundary conditions. It is found that the effect of the tightening torque of bolts is independent, but the thickness of a pulley, the tension force of a v-belt and the shape of a bracket have a composite effect on the stress distribution of a pulley.
드라이브 플레이트의 고속 회전 시험 후 소성변형 예측에 관한 연구
주장혁(JangHyuk Joo),황범철(BeomCheol Hwang),장재덕(JaeDuk Jang),주인식(InSik Joo) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Recently, concerns about optimum design with the CAE analysis are rising in a Automotive industrial. The CAE is given a great deal of weight on the design process and the growing dependence on CAE could result in increasing the number of CAE engineers in Automotive Industrial. In this study a drive plate is analyzed to predict the number of appropriate welding beads at 7,00rpm, 8,000rpm, 9,000rpm, the result is presented as a basis for optimum design. By analyzing the drive plate, it is predicted whether the Sender Drive Plate which generate the output waveform of crank angle sensor deforms plastically or not. According to analysis results and test results it is found that the plastic deformation could be occurred at all range on 6 places weld, at 8,000rpm on 9 places weld but it could not be occurred at all range on 12 places weld. Therefore the number of appropriate welding beads is more than 9.