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엄익진(Ikjin UM),허경선(Kyungsun Hur),송군호(Kunho Song) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
A Clutch is designed to allow a slip in transferring a driving power and its durability is significantlty influenced by the slipping time. Further more, the slipping time is influenced by the vehicle's driving condition as well as the driver's driving habit and so on. Current design techniques provide the level of the clutch' capability only through vehicle's specifications, not including the driver's driving condition. In this paper, we develop not only a verification method through the PV theory considering the driver's driving condition but also reviewed the correlation of the design and the test by quantifying the test result.
Drive Shaft 마모에 영향을 미치는 설계 인자 검토
엄익진(Ikjin Um),안병현(Byunghyun An),한동구(Donggu Han) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
Drive Shaft is one of signification automotive driving parts. It delivers power from engine to tire through transmission. Fundamentally it is required to maintain continuous rotational velocity without power loss or noise and needed to absorb vibration of vehicle body. Drive shafts also have enough strength and durability. To meet those requirements, Design factors like ball joint or cage size should be considered for vehicle development. The most important factors are Generated Torque rating (GT) Factor, Funnel Angle, Pressure Angle, Shaft Diameter, amount of grease, etc. But more importantly, Considering for abrasion was overlooked in design stage. In this study, design factors which affect joint abrasion are categorized in 4 items. It was studied which items were affected for abrasion in the most and the items were analyzed as design factors.