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상용차용 전륜 액슬의 스프링 시트 설치 위치에 따른 강도 해석 평가
신경훈(Kyunghun Shin),박정원(Jungwon Park),김진용(Jinyong Kim),정도현(Dohyun Jung),이영춘(Youngchoon Lee) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
The axle of the front wheel of commercial vehicles is required durability and high strength because supported the direct load of cargo and vehicle weight. The strength and durability of the target product is affected by not only shape but also constraints of the beam. In this study, In this study, Simulation is performed to analyze the effect on strength and durability of the axle by varying the design position of the spring seat which supports the axle. As a result of the analysis, sensitive characteristic was confirmed not only the shape of the spring seat but also designed place.
박상철(Sangcheol Park),송연민(Younmin Song),신경훈(Kyunghun Shin),최성규(Seongkyu Choi),박정원(Jungwon Park) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
Body stiffness has a direct effect on suspension geometry change. also has a closely connection with driving characteristics. Thus, the body stiffness must have be considered for the correct analyzation of driving characteristics. Therefore in this study, we developed UTV(Utility Terrain Vehicle) driving characteristics analysis model under the consideration of body stiffness. The UTV analysis model is constructed based on the data such as weight measurement, hard-point measurement, 3D scan and spring & damper test etc. We use the ADAMS/car as the analysis tool. We studied the corelation between the UTV analysis model and ride & handling test results for the more accuracy analysis model development. Body stiffness was approximated with bush elements which was based on stiffness result data through bending and torsion test. The developed model has been compared and verified with ride & handling test results and another UTV analysis model with rigid body. And then, we analyzed the effect of body stiffness on driving characteristics.