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Effect of chisel edge in ultrasonic assisted drilling of carbon fibre reinforced plastics (CFRP)

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Gupta, Aniruddha, Ascroft, Helen and Barnes, Stuart (2016) Effect of chisel edge in ultrasonic assisted drilling of carbon fibre reinforced plastics (CFRP). In: 7th HPC 2016 – CIRP Conference on High Performance Cutting, Chemnitz, Germany, 31 May - 2 Jun 2016. Published in: Procedia CIRP, 46 pp. 619-622. ISSN 2212-8271. doi:10.1016/j.procir.2016.04.026

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Official URL: http://dx.doi.org/10.1016/j.procir.2016.04.026

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Abstract

Ultrasonic assisted drilling (UAD) has been reported effective for thrust force reduction during drilling of CFRP resulting in lower exit delamination. However, this process is not fully understood in relation to machining theory. This work focused on understanding the separate effects of chisel and cutting edges during UAD in comparison with conventional drilling (CD). Experiments were performed at 100 m/min cutting speed and 0.05 mm/rev feed rate. UAD produced 36% lower thrust force with a chisel edge, similar torque and 35% lower wear chisel edge compared to CD, suggesting forces from chisel edge specifically, being reduced in UAD.

Item Type: Conference Item (Paper)
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TP Chemical technology
T Technology > TS Manufactures
Divisions: Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Composite materials , Drilling and boring, Tools , Machining, Ultrasonic cutting, Carbon fiber-reinforced plastics
Journal or Publication Title: Procedia CIRP
Publisher: Elsevier
ISSN: 2212-8271
Official Date: 30 May 2016
Dates:
DateEvent
30 May 2016Available
1 April 2016Accepted
15 September 2015Submitted
Volume: 46
Page Range: pp. 619-622
DOI: 10.1016/j.procir.2016.04.026
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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