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5축 Machining Center를 이용한 스플리터가 있는 임펠러 가공에서 공구경로 생성에 관한 연구
장동규(Dongkyu Jang),신재광(Jaekwang Shin),이희관(Hikwan Lee),양균의(Gyuneui Yang) 한국자동차공학회 2003 한국자동차공학회 지부 학술대회 논문집 Vol.2003 No.5
The process of impeller 5-axis machining is presented. The tool path planning consists of roughing and finishing. The cutting tool path is generated on machining efficiency and impeller type. The cutting area can be divided into three regions in a splitter type. The tool of the maximum size is selected for each divided region. Interference can be avoided by checking the intersection of the cutting tool and ruling. In finishing the blades, hubs, and leading edges are machined. The blade can be finished with side cutting and the hub being machined in an iso-parametric path. The one-way point milling method is used for finishing the edge.<br/> <br/>
4POST 가진 시험을 통한 가상차량 벨지안 주행 해석의 시험 상관성 개선연구
유근수(Geunsoo Ryu),김준엽(Jun-Yeop Kim),신재광(Jaekwang Shin) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
The main advantages of virtual testing approach using multi-body dynamics analysis include that the design can be evaluated and easily validated by subsequent physical testing before a prototype. It is hard to get accurate simulation results with full vehicle dynamics model on the rough road surfaces such as Belgian road and to get accurate components model such as tire, road profile, vehicle model. This paper describes the correlation method of full vehicle model using 4 post excitation tests and evaluates the sprung, unsprung mass response and each wheel force of selected vehicles to cyclical vertical accelerations over a range of frequencies.