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Effect of tool wear on quality in drilling of titaniumalloy Ti6Al4V, Part I: Cutting Forces, BurrFormation, Surface Quality and Defects
University West, Department of Engineering Science, Division of Subtractive and Additive Manufacturing. (PTW)ORCID iD: 0000-0001-9331-7354
University West, Dept. of Engineering Science, Trollhättan, Sweden.
GKN Aerospace Engine Systems AB, Trollhättan, Sweden.
2017 (English)In: High speed machining, E-ISSN 2299-3975, Vol. 3, 1-10 p.Article in journal (Refereed) Published
Abstract [en]

Titanium's Ti6Al4V, alloy is an important material with a wide range of applications in the aerospace industry.Due to its high strength, machining this material for desired quality at high material removal rate is challenging and may lead to high tool wear rate. As a result,this material may be machined with worn tools and the effects of tool wear on machining quality need to be investigated.In this experimental paper, it is shown how drills of various wear levels affect the cutting forces, surface quality and burr formation. Furthermore, it is shown that high cutting forces and high plastic deformation, along with high temperatures that arise in cutting with worn tools may lead to initiation of microscopic cracks in the workpiece material in proximity of the drilling zone.

Place, publisher, year, edition, pages
Warsaw, Poland: De Gruyter Open, 2017. Vol. 3, 1-10 p.
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering; Production Technology
Identifiers
URN: urn:nbn:se:hv:diva-11875DOI: 10.1515/hsm-2017-0001OAI: oai:DiVA.org:hv-11875DiVA: diva2:1162292
Available from: 2017-12-04 Created: 2017-12-04 Last updated: 2017-12-04Bibliographically approved

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Eynian, Mahdi

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