Offline tool trajectory compensation for cutting forces induced errors in a portable machine tool

Alessandro Checchi*, Giuseppe Dalla Costa, Christian Haastrup Merrild, Giuliano Bissacco, Hans Nørgaard Hansen

*Corresponding author for this work

    Research output: Contribution to journalJournal articleResearchpeer-review

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    Abstract

    Portable machine tools are designed to reduce costs and resources necessary to perform dedicated tasks, such as milling of large components like wind turbine hubs. Such machines however lack in performance (e.g. stiffness, accuracy, thermal stability) with respect to conventional machine tools and may require compensation strategies to guarantee adequate accuracy. An offline compensation methodology, involving tool trajectory modification, based on the calculation of tool center point displacements from prediction of cutting forces and static stiffness characterization was implemented on a portable machine tool. The offline compensation was validated through a posteriori comparison with the nominal cutting conditions.
    Original languageEnglish
    JournalProcedia CIRP
    Volume82
    Pages (from-to)527-531
    ISSN2212-8271
    DOIs
    Publication statusPublished - 2019
    Event17th CIRP Conference on Modelling of Machining Operations - Sheffield, United Kingdom
    Duration: 13 Jun 201914 Jun 2019
    Conference number: 17

    Conference

    Conference17th CIRP Conference on Modelling of Machining Operations
    Number17
    Country/TerritoryUnited Kingdom
    CitySheffield
    Period13/06/201914/06/2019

    Keywords

    • Compensation
    • Deformation
    • Milling

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