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파워스티어링용 고압호스의 반복가압 시험에 대한 수명예측
이기천(G. C. Lee),박종원(J. W. Park),김형의(H. E. Kim),이종황(J. H. Lee),정원욱(W. W. Jeong),김재훈(J. H. Kim) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
This study deals with the life prediction for high pressure hose of power steering system by impulse pressure test. The case of producing high impulse pressure in the power steering system happens when turning the car. we got the experimental data with impulse pressure with same situation referred above. Also, this data adapted CALT method(Calibrated Accelerated Life Test method) to predict the life of high pressure hose. Based on this date, we predict the life cycle of high pressure hose for power steering system
충격 압력을 받는 파워스티어링 시스템의 고압호스 수명 예측
이기천(G. C. Lee),김형의(H. E. Kim),박종원(J. W. Park),정원욱(W. W. Jeong),임영한(Y. H. Lim),김재훈(J. H. Kim) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
Hydraulic hose can be divided with low pressure, medium pressure, and high pressure hose according to applied pressure. Power steering system in passenger car can be divided with high pressure and low pressure hose. This study deals with the life prediction for high pressure hose to be given impulse pressure which was generated in turning the car. To adjust with external and internal condition, impulse pressure and oil temperature need to be controlled with impulse test system. The result, which is only controlled with the pressure and oil temperature, adapted Calibrated Accelerated Life Test(CALT) method to predict the life of high pressure hose and analyzed the swagging part by finite element method during impulse test.