Development of Accelerated Life Test Method of Hydraulic Pump

Abstract:

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This paper proposes a new accelerated life test method of hydraulic pump used in vehicles, which have multiple alternating loads. For determination of life time of hydraulic pump for given field conditions with respect to duty cycle, the equivalent load and speed of this unit has to be determined. Equivalent load and speed can be calculated from the given duty cycle using the predominant theory for cumulative fatigue damage. Finally, we can perform accelerated life test on hydraulic pump by determination of test pressure and speed from calculated equivalent cumulative damage per working cycle and weighted average speed.

Info:

Periodical:

Key Engineering Materials (Volumes 326-328)

Edited by:

Soon-Bok Lee and Yun-Jae Kim

Pages:

1861-1864

DOI:

10.4028/www.scientific.net/KEM.326-328.1861

Citation:

D. S. Jung et al., "Development of Accelerated Life Test Method of Hydraulic Pump", Key Engineering Materials, Vols. 326-328, pp. 1861-1864, 2006

Online since:

December 2006

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Price:

$35.00

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