Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Lifetime Estimation of an Axle Drive Shaft by Calibrated Accelerated Life Test Method

CALT 방법을 이용한 액슬구동축의 수명 예측

  • Kim, Do-Sik (Systems Engineering Research Division, Korea Institute of Machinery & Materials) ;
  • Kim, Hyoung-Eui (Systems Engineering Research Division, Korea Institute of Machinery & Materials) ;
  • Yoon, Sung-Han (Dept. of Mechanical Design Engineering, Chungnam Nat'l Univ.) ;
  • Kang, E-Sok (Dept. of Mechanical Design Engineering, Chungnam Nat'l Univ.)
  • 김도식 (한국기계연구원 시스템엔지니어링연구본부) ;
  • 김형의 (한국기계연구원 시스템엔지니어링연구본부) ;
  • 윤성한 (충남대학교 기계설계공학과) ;
  • 강이석 (충남대학교 기계설계공학과)
  • Published : 2010.03.01
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Abstract

In this paper, a method to predict the fatigue life of an axle drive shaft by the calibrated accelerated life test (CALT) method is proposed. The CALT method is very effective for predicting lifetimes, significantly reducing test time, and quantifying reliability. The fatigue test is performed by considering two high stress and one low stress levels, and the lifetime at the normal stress level is predicted by extrapolation. In addition, in this study, the major reliability parameters such as the lifetime, accelerated power index, shape parameter, and scale parameter are determined by conducting various experiments. The lifetime prediction of the axle drive shaft is verified by comparing the experimental results with load spectrum data. The results confirm that the CALT method is effective for lifetime prediction and requires a short test time.

본 논문은 교정가속수명시험법을 이용하여 액슬구동축의 피로수명을 예측하는 법을 제안한다. 교정가속 수명시험법은 수명예측, 시험시간 절감, 신뢰성 정량화시에 매우 효과적이다. 피로시험은 두 개의 고 부하 수준과 한 개의 저 부하 수준에서 수행되고, 외삽법을 사용하여 사용수준에서의 수명시간을 예측하게 된다. 본 논문에서는 수행시험 결과로부터 획득한 수명시간, 가속지수, 형상모수, 척도모수등과 같은 주요 신뢰성 인자들을 보여주고 있다. 액슬구동축의 수명예측은 부하스펙트럼 데이터와 시험데이터와의 비교 연구를 수행하여 검증하였다. 교정가속수명시험법을 사용한 수명예측법은 짧은 시간내에 수명을 예측하는데 매우 효과적인 방법임을 확인하였다.

Keywords

References

  1. Bayrakceken, H., Tasgetiren, S. and Yavuz, I., 2007, "Two Cases of Failure in the Power Transmission System on Vehicles: A Universal Joint Yoke and a Drive Shaft," Engineering Failure Analysis, Vol. 14, pp. 716-724. https://doi.org/10.1016/j.engfailanal.2006.03.003
  2. Pantazopoulos, G., Sampani, A. and Tsagaridis, E., 2007, "Torsional Failure of a Knuckle Joint of a Universal Steel Coupling System during Operation - A Case Study," Engineering Failure Analysis, Vol. 14, pp. 73-84. https://doi.org/10.1016/j.engfailanal.2005.12.005
  3. Sonsino, C. M., Kaufmann, H., Foth, J. and Jauch, F., 1997, "Fatigue Strength of Driving Shafts of Automatic Transmission Gearboxes under Operational Torques," SAE technical paper 970706.
  4. General Motors Corp., 2004, "Calibrated Accelerated Life Testing(CALT)," GM Worldwide Engineering Standards, GMW 8758.
  5. Kang, B. S., Kim, H. E., Park, J. W. and Yoo, Y. C., 2008, "Development of Accelerated Life Test Method for Pneumatic Cylinder," National Conference on Fluid Power, Vol. 108, No. 3, pp. 83-89.
  6. Lee, S. H., Lee, J. H., Kang, D. K. and Goo, S. H., 2007, "A Study on the Evaluation Technique of Quantified Damage for Powertrain System on Travel Course," Journal of the Korean Society for Precision Engineering, Vol. 24, No. 12, pp. 74-81.
  7. Lee, S. R., Kim, W. D., Lee, H. J., Han, S. W. and Kim, K. S., 1994, "Measurement of Service Torque by using the Telemetry System and Prediction of Fatigue Life of Driveshaft for Passenger Car," Proceeding on KSME Autumn Annual Meeting, Vol. 1, pp. 508-516.
  8. Lee, G. H., Kim, H. E. and Kim, D. S., 2003, "Study of the Accelerated Life Test Method for Power Train Components under Cyclic Loads using Weibull-IPL(inverse power law) Model," ASME International Mechanical Engineering Congress, IMECE2003-42652.
  9. Wasserman, G. S., 2003, Reliablity Verification, Testing and Analysis in Engineering Design, Marcel Dekker, New York.
  10. Nelson, W., 190, Accelerated Testing; Statistical Models, Test Plans, and Data Analysis, WILEY, New York.
  11. Howard E. Boyer, 1999, Atlas of Fatigue Curves, American Society for Metals, Ohio.

Cited by

  1. Accelerated Life Evaluation of Propeller Shaft for Forklift Truck vol.38, pp.11, 2014, https://doi.org/10.3795/KSME-A.2014.38.11.1221
  2. A Study on the Structural Strength Fatigue Improvement of an Axle Shaft for a 3.5-Ton Commercial Vehicle vol.17, pp.3, 2018, https://doi.org/10.14775/ksmpe.2018.17.3.071