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The effect of varying cutting speeds on tool wear during conventional and ultrasonic assisted drilling (UAD) of carbon fibre composite (CFC) and titanium alloy stacks

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Dahnel, Aishah Najiah, Ascroft, Helen and Barnes, Stuart (2016) The effect of varying cutting speeds on tool wear during conventional and ultrasonic assisted drilling (UAD) of carbon fibre composite (CFC) and titanium alloy stacks. In: 7th HPC 2016 – CIRP Conference on High Performance Cutting, Chemnitz, Germany, 31 May - 2 Jun 2016. Published in: Procedia CIRP, 46 pp. 420-423. ISSN 2212-8271. doi:10.1016/j.procir.2016.04.044

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Official URL: http://dx.doi.org/10.1016/j.procir.2016.04.044

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Abstract

The application of Carbon Fibre Composite (CFC) and titanium alloys are becoming more prevalent in aerospace industry due to their high-strength-to-weight ratio. However, the drawback of these materials is poor machinability. This paper presents the potential of Ultrasonic Assisted Drilling (UAD) of CFC and titanium Ti6Al4 V stacks in delaying tool wear progression. Experiments comparing conventional and UAD were conducted using 6.1 mm diameter tungsten carbide drills, employing constant feed rate of 0.05 mm/rev and cutting speeds of 25, 50 and 75 m/min, demonstrated that the drills used in UAD underwent lower tool wear rate and thrust forces than conventional drilling.

Item Type: Conference Item (Paper)
Divisions: Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Journal or Publication Title: Procedia CIRP
Publisher: Elsevier
ISSN: 2212-8271
Official Date: 2016
Dates:
DateEvent
2016Published
30 May 2019Available
1 April 2016Accepted
Volume: 46
Page Range: pp. 420-423
DOI: 10.1016/j.procir.2016.04.044
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
Conference Paper Type: Paper
Title of Event: 7th HPC 2016 – CIRP Conference on High Performance Cutting
Type of Event: Conference
Location of Event: Chemnitz, Germany
Date(s) of Event: 31 May - 2 Jun 2016
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