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RISS 인기검색어
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- 저자 : 임영한(Lim Yung Han) (검색결과 1 건)
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이종황(Lee Jong Hwang),정원욱(Jung Won Wook),박종원(Park Jong Won),임영한(Lim Yung Han) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
Generally, leakage in high pressure hose assembly can be determined by that hydraulic fluid falls down through fitting which is swaged with rubber hose. The leakage which is the failure phenomenon occurred often in hydraulic system was tried to prevent. In the case of methods which verify leakage paths in power steering hydraulic system equipped with high pressure hose assembly, three types of leakage paths which can be seen by cutting the swaging part can be generally experienced. However, it was difficult to find out leakage paths using power steering oil. In this study, four methods which are thermal burn image method, hole drilling method of fitting metal, white paint infiltration method, and fluorescent infiltration method were tried to introduce. Fluorescent infiltration method could verify leakage path with the unaided eye simply to hold the cutting swaging part closely to the ray of light. Reappearance test methods in high pressure hose assembly, which are hole drilling, white paint infiltration, and fluorescent infiltration method, can be applied to find failure mode and to approval test before mass production of high pressure hose.
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