Early Failure Mode Effect and Criticality Analysis for CNC Machining Tools

Zhi Cheng Jia; Zhao Jun Yang; Gui Xiang Shen

doi:10.4028/www.scientific.net/AMM.303-306.1653

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 303-306Early Failure Mode Effect and Criticality Analysis...

Early Failure Mode Effect and Criticality Analysis for CNC Machining Tools

Abstract:

According to the plentiful early failure data collected on the spots of 30 CNC machining tools with ATC (Automatic Tool Changer), FMECA method is used to analyze the main fault mode and facts which usually make a great possible impact on the reliability of these products during early failure period.We find out the fault positions and the ratios of the fault modes and fault causes. We further analyze the fault modes and fault causes which frequently arise in the subsystems and parts. Through the analyses of FMECA, we learn the weak links of CNC machining tools and provide bases for removing the products faults. Suggestions how to enhance reliability level of these products are proposed.

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Periodical:

Applied Mechanics and Materials (Volumes 303-306)

Pages:

1653-1656

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.303-306.1653

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Online since:

February 2013

Authors:

Zhi Cheng Jia, Zhao Jun Yang, Gui Xiang Shen

Keywords:

CNC Machining Tool, Early Failure Period, Failure Mode Effects and Criticality Analysis (FMECA), Field Tracing Test

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