Moment Stability of Stochastic Regenerative Cutting Process

Xiao Qin Zhou; Wen Cai Wang; Hong Wei Zhao

doi:10.4028/www.scientific.net/AMR.97-101.3038

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 97-101Moment Stability of Stochastic Regenerative...

Moment Stability of Stochastic Regenerative Cutting Process

Abstract:

The stochastic uncertainties of regenerative cutting process (RCP) are taken into consideration, and both cutting stiffness and damping coefficients are modeled as two stationary stochastic processes. The eigenvalue equations are established for the stability analysis of stochastic RCP, corresponding to the differential equations of the first and second order moments. Thus the stability analysis of stochastic RCP is transformed into that of the first two order moments. The influence of stochastic uncertainties on the cutting stability of RCP is discussed. The numerical experiments have verified that with the increase of stochastic uncertainties, the cutting stability boundary was shifted downwards significantly, and the number of lobes was also multiplied.

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Periodical:

Advanced Materials Research (Volumes 97-101)

Pages:

3038-3041

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.97-101.3038

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Online since:

March 2010

Authors:

Xiao Qin Zhou, Wen Cai Wang, Hong Wei Zhao

Keywords:

Cutting Stability, Machining, Regenerative Cutting, Stochastic Parametric Excitation

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