Hole quality and burr reduction in drilling aluminium sheets

Lukas Pilny, Leonardo De Chiffre, Miroslav Piska, Morten F. Villumsen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

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    Abstract

    Optimization of the metal drilling process requires creation of minimum amount
    of burrs and uniform appearance of the drilled holes. In this paper, an experimental
    investigation was performed on 2 mm sheets of wrought aluminium alloy
    Al99.7Mg0.5Cu-H24, using 1.6 and 2 mm diameter drills. Cutting data, clamping
    conditions, and drill geometry were varied in order to optimize the process and
    reach the desired quality. The results revealed possible reduction of burr occurrence
    on both the entry and exit side of the sheet, requiring no additional deburring. The
    demand on the uniform appearance of drilled holes was fulfilled as well as high
    productivity achieved. Such optimized process results in a noticeable production
    cost reduction.
    Original languageEnglish
    Title of host publicationInternational Conference NEWTECH 2011
    Number of pages6
    Publication date2011
    ISBN (Print)978-80-214-4267-2
    Publication statusPublished - 2011
    EventInternational Conference NEWTECH 2011: International conference on Advanced Manufacturing Engineering. New technologies in manufacturing - Brno University of Technology, Brno, Czech Republic
    Duration: 14 Sept 201115 Sept 2011

    Conference

    ConferenceInternational Conference NEWTECH 2011
    LocationBrno University of Technology
    Country/TerritoryCzech Republic
    CityBrno
    Period14/09/201115/09/2011

    Keywords

    • Drilling
    • Aluminium
    • Burr minimizing
    • Measurement
    • Vacuum clamping

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