Modal Analysis of Machine Tool Spindle under Uncertainty

Wei Dou; Xiao Cong He; Sheng Wan Yuan; Sen Zhou

doi:10.4028/www.scientific.net/AMM.513-517.4197

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 513-517Modal Analysis of Machine Tool Spindle under...

Modal Analysis of Machine Tool Spindle under Uncertainty

Abstract:

Based on the Timoshenko beam theory, the dynamics model of a spindle system is constructed. The Young’s modulus of the material and the stiffness of bearing are considered as random variables for a Monte Carlo simulation about the spindle system’s first nature frequency. The simulation results shows that the statistical attribute of these parameter introduce variation to the systems dynamics property. The reliability of avoiding the spindle resonance is then calculated.

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Periodical:

Applied Mechanics and Materials (Volumes 513-517)

Pages:

4197-4201

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.513-517.4197

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Online since:

February 2014

Authors:

Wei Dou, Xiao Cong He*, Sheng Wan Yuan, Sen Zhou

Keywords:

Machine Tool Spindle, Modal Analysis, Reliability, Uncertainty

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* - Corresponding Author

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