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모드해석과 모달시험을 통한 스티어링 시스템의 진동특성 연구
송강석(Kangseok Song),윤형준(Hyungjoon Yoon),허봉만(Bongman Hur),남종승(Jongseung Nam) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper, to improve NVH performance of the steering system components, the vibration characteristics of the steering system are studied. Mode analysis was performed with design parameter of the steering sub-component. And to verify mode analysis results, experimental methods using the modal testing and mode shape analyzer were tested for the prototype which had good vibration performance according to mode analysis. The experimental results are compared with those of the mode analysis, and it is shown that the results agree with each other. So through this study by using analysis and experimental technics properly in development process, it's gained to determine efficient design parameter and the effect of lead-time and cost reduction - proto building, making test sample, and so on.
인써트몰딩을 이용한 조향용 Worm Gear 성형에 관한 연구
노상호(SangHo Noh),한범석(BeomSuck Han),한창수(ChangSu Hahn),남종승(JongSeung Nam),송강석(KangSeok Song) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_3
Plastic Worm Gears are used in a. number of industrial application in the automotive industry. This study deeds with plastic(Nylon, PPA) worm gear for assurance of durability and reduce noise and weight reduction. The Simulation of computer is introduced and studied to insert molding on plastic worm gear. Flow Analysis Simulation can save time and error for injection process. We examined the property of plastic gear as abrasion, strengthen, inner void. As a result of this Insert Molding Process, We have enough plastic worm gear to use Automotive Steering Column System.