Journal of Applied Reliability (한국신뢰성학회지:신뢰성응용연구)

The Korean Reliability Society (한국신뢰성학회)
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A Study of the Life Characteristic of Hydraulic Hose Assembly by Adopting Temperature-Nonthermal Acceleration Model

온도.비열 가속모형을 적용한 유압호스조립체 수명특성 연구

  • Lee, Gi-Chun (Reliability Assessment Center, Korea Institute of machinery & Materials) ;
  • Kim, Hyoung-Eui (Reliability Assessment Center, Korea Institute of machinery & Materials) ;
  • Cho, You-Hee (Reliability Assessment Center, Korea Institute of machinery & Materials) ;
  • Sim, Sung-Bo (Reliability Assessment Center, Korea Institute of machinery & Materials) ;
  • Kim, Jae-Hoon (BK21 Mechatronics Groups, Dept. of Mechanical Design Engineering, Chunnam National University)
  • 이기천 (한국기계연구원 신뢰성평가센터) ;
  • 김형의 (한국기계연구원 신뢰성평가센터) ;
  • 조유희 (한국기계연구원 신뢰성평가센터) ;
  • 심성보 (한국기계연구원 신뢰성평가센터) ;
  • 김재훈 (충남대학교 기계설계공학과)
  • Received : 2011.07.16
  • Accepted : 2011.09.17
  • Published : 2011.09.25
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Abstract

Hydraulic hose assemblies deliver a fluid power in various oil pressure equipment such as construction machinery, automobile, aircraft, industrial machinery, machine tools and machinery for ships. Also, they are widely used as pipes in oil pressure circuit. When we estimate their lifetime, it is essential to conduct an accelerated life test by choosing the factor that suits the usage condition of the test object since traditional test method for estimating lifetime under the influence of various external factors incurs hardship in terms of time and expenses. The objective of this study is to propose an acceleration model that takes both temperature and pressure without flexing condition into consideration. The lifetime is estimated by applying the proposed temperature-nonthermal acceleration model to the test data. And we compare the proposed temperature-nonthermal acceleration model and the accelerated life equation suggested by John(1994).

Keywords

References

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