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Spare Parts Forecast Analysis based on Important Calculation of Element Fault Tree

Volume 15, Number 7, July 2019, pp. 1878-1885
DOI: 10.23940/ijpe.19.07.p14.18781885

Xiaoyan Wang, Hongkai Wang, Jinghui Zhang, and Chun Zhang

Shenyang Aerospace University, Shenyang, 100136, China

 

(Submitted on April 13, 2019; Revised on May 25, 2019; Accepted on June 25, 2019)

Abstract:

Spare parts are an important material basis for the use and maintenance of machine tools, and they are an important factor affecting equipment life cycle costs. In this paper, the element movements and the element action failure modes of equipment operation are found for the machine function unit. The reason of the failure of the unit base element is identified by using the element action fault tree to determine the reason of the fault of the unit base element. The calculation of the importance degree of the machine unit is carried out, and the importance degree is analyzed for rational distribution, thus ensuring the reduction of maintenance costs and the normal operation of the system. It is proven that the method based on the importance of the fault tree of the element action plays a guiding role in the analysis of spare parts.

 

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