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  • Nonlinear model for the instability detection in centerless grinding process
    Robles-Ocampo, Jose Billerman ...
    In this work a novel nonlinear model for centerless grinding is presented. The model describes the dynamic behavior of the process. The model considers that the systems stiffness depends on the ... existence of lobes in the workpiece surface. Lobes geometry is treated as a polygonal shape and it is demonstrated that the system can be represented as a Duffings equation. It is shown that there is a critical lobe number, where the systems present an unstable behavior; the critical lobe number is identified through the geometric stability index. Instabilities in the centerless grinding process are analyzed with two methods: the phase diagram and the continuous wavelet transform. The presented results show that the dynamic behavior of the centerless grinding process can be represented with a cubic stiffness function that is obtained from the analysis of the surface topology.
    Source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 58, no. 12, dec. 2012, str. 693-700, SI 145)
    Type of material - article, component part
    Publish date - 2012
    Language - english
    COBISS.SI-ID - 12576539

    Link(s):

    Digitalna knjižnica Slovenije - dLib.si
    DOI

source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 58, no. 12, dec. 2012, str. 693-700, SI 145)

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