Hole quality and burr reduction in drilling aluminium sheets

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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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
JournalC I R P - Journal of Manufacturing Science and Technology
Publication date2012
Volume5
Pages102-107
ISSN1755-5817
DOIs
StatePublished

Bibliographical note

This paper was first presented at the international conference on advanced
manufacturing engineering, 14–15 September 2011, Brno, Czech Republic.

CitationsWeb of Science® Times Cited: No match on DOI

Keywords

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