Failure Mode Analysis for High-Speed Motorized Spindle of NC Machine Tools

Yu An He; Yan Ming He

doi:10.4028/www.scientific.net/AMM.623.85

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 623Failure Mode Analysis for High-Speed Motorized...

Failure Mode Analysis for High-Speed Motorized Spindle of NC Machine Tools

Abstract:

High-speed motorized spindle of NC machine tools is the core component for high speed machining. Production efficiency, machining accuracy, processing quality are greatly improved, and production cost is reduced by high speed machining. The paper describes the common failure modes of high-speed motorized spindle. By the fault tree analysis method, failure modes of motorized spindle are modeled, and the main fault reasons of motorized spindle for NC machine tools are gotten. Qualitative analysis is performed for the fault tree by the mean of the structure function. At the end of this paper, the minimal cut sets which are the main sets of failure modes are all obtained. It has laid a good foundation for further study of quantitative analysis of motorized spindle failure modes.

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Periodical:

Applied Mechanics and Materials (Volume 623)

Pages:

85-89

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.623.85

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Online since:

August 2014

Authors:

Yu An He*, Yan Ming He

Keywords:

Failure Modes (FM), Fault Tree (FT), High Speed Machining (HSM), Motorized Spindle (MS)

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* - Corresponding Author

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