In-process force measurement for diameter control in precision cylindrical grinding

Alex W. Moerlein, Eric Russell Marsh, T. R S Deakyne, R. Ryan Vallance

    Research output: Contribution to journalArticle

    14 Citations (Scopus)

    Abstract

    This article shows the theory and implementation of a force measurement-based approach to controlling workpiece diameter in cylindrical grinding. A simple model proposed is used to relate infeed velocity to grinding force. The model is extended to accurately control the amount of material removed in outer diameter plunge grinding given the normal force, which may be monitored in real-time. The model incorporates the key parameters, including the structural loop stiffness, the plunge infeed velocity, and the wheel and workpiece properties. However, only the infeed velocity must be explicitly known. The contribution of this work is experimental validation that the lag between infeed and stock removal can be predicted using force feedback without a priori knowledge of the grinding system. This allows very accurate diameter control (0.25 μm of nominal), even in the presence of thermal drift, wheel wear, and machine error.

    Original languageEnglish (US)
    Pages (from-to)93-101
    Number of pages9
    JournalInternational Journal of Advanced Manufacturing Technology
    Volume42
    Issue number1-2
    DOIs
    StatePublished - May 1 2009

    Fingerprint

    Force measurement
    Wheels
    Stiffness
    Wear of materials
    Feedback

    All Science Journal Classification (ASJC) codes

    • Computer Science Applications
    • Software
    • Control and Systems Engineering
    • Industrial and Manufacturing Engineering
    • Mechanical Engineering

    Cite this

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    abstract = "This article shows the theory and implementation of a force measurement-based approach to controlling workpiece diameter in cylindrical grinding. A simple model proposed is used to relate infeed velocity to grinding force. The model is extended to accurately control the amount of material removed in outer diameter plunge grinding given the normal force, which may be monitored in real-time. The model incorporates the key parameters, including the structural loop stiffness, the plunge infeed velocity, and the wheel and workpiece properties. However, only the infeed velocity must be explicitly known. The contribution of this work is experimental validation that the lag between infeed and stock removal can be predicted using force feedback without a priori knowledge of the grinding system. This allows very accurate diameter control (0.25 μm of nominal), even in the presence of thermal drift, wheel wear, and machine error.",
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    In-process force measurement for diameter control in precision cylindrical grinding. / Moerlein, Alex W.; Marsh, Eric Russell; Deakyne, T. R S; Vallance, R. Ryan.

    In: International Journal of Advanced Manufacturing Technology, Vol. 42, No. 1-2, 01.05.2009, p. 93-101.

    Research output: Contribution to journalArticle

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