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Ultrasonically assisted drilling in marble

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journal contribution
posted on 2019-08-22, 14:15 authored by N Mikhailova, PY Onawumi, G Volkov, I Smirnov, M Broseghini, Anish RoyAnish Roy, Yu Petrov, Vadim SilberschmidtVadim Silberschmidt
Ultrasonically assisted drilling (UAD) is a non-traditional machining process that employs the vibration of a cutting tool. It offers a better alternative and solution to the challenges of drilling marble using conventional drilling (CD) methods. Machining-induced damage in marble results in the rejection of parts. A significant force reduction is achieved when applying UAD in marble, therefore eliminating large craters created at the exit of the hole in CD, caused by the high force generated. This work presents original experimental results for both drilling techniques, and suggests an analytical model for UAD based on a combination of a contact-problem solution and an incubation-time approach. In the modelling, the problem of fracture at different scales was considered, solved by employing a principle of equal power. The predictions of the presented theoretical model for UAD were validated by comparison with the experimental data, demonstrating a good qualitative agreement.

Funding

FP7 IRSES project TAMER IRSES-GA-2013-610547

Grant of the President of the Russian Federation for young scientists (МК-2269.2019.8)

Russian Science Foundation (17-11-01053)

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

Journal of Sound and Vibration

Volume

460

Publisher

Elsevier Ltd

Version

  • AM (Accepted Manuscript)

Rights holder

© Elsevier Ltd

Publisher statement

This paper was accepted for publication in the journal Journal of Sound and Vibration and the definitive published version is available at https://doi.org/10.1016/j.jsv.2019.114880.

Acceptance date

2019-08-02

Publication date

2019-08-07

Copyright date

2019

ISSN

0022-460X

Language

  • en

Depositor

Prof Vadim Silberschmidt

Article number

114880

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