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DESIGN AND DEVELOPMENT OF A NOVEL TESTING RIG FOR THE EXAMINATION OF ADDITIVELY MANUFACTURED AUXETIC COMPONENTS

Published online by Cambridge University Press:  27 July 2021

Lewis Urquhart ,
Craig Fingland ,
Andrew Wodehouse  and
Brian Loudon
Lewis Urquhart*
Affiliation:
University of Strathclyde
Craig Fingland
Affiliation:
University of Strathclyde
Andrew Wodehouse
Affiliation:
University of Strathclyde
Brian Loudon
Affiliation:
Loud1Design
*
Urquhart, Lewis William Robert, University of Strathclyde, Design Manufacturing and Engineering Management, United Kingdom, lewis.urquhart@strath.ac.uk

Abstract

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This paper reports upon the design and development of a novel testing rig for the examination of additively manufactured auxetic componentry. By firstly reviewing the key challenges for practical researchers and exploring the range of approaches used to examine auxetic structures, we subsequently introduce a new testing configuration seeking to enhance the existing methods found within the literature. The developed testing configuration includes a novel mechanical design with a new method for component mounting offering advanced control of the boundary condition and a fully developed control interface which facilitates real-time analytics, a range of data acquisitions and integration with a CAD environment. This paper describes both the development of the mechanical design and the development of the control interface by exploring the key design features and documentation of the manufacturing and assembly process. Finally, we discuss how the presented testing configuration offers a new and flexible way of testing auxetic componentry with additional insights offered for future researchers who wish to recreate or adapt the testing setup for their own examinations of additively manufactured componentry.

Keywords

AuxeticsMechanical analysisAdditive Manufacturing3D printingEvaluation
Type
Article
Information
Proceedings of the Design Society , Volume 1: ICED21 , August 2021 , pp. 953 - 962
Creative Commons
Creative Common License - CCCreative Common License - BYCreative Common License - NCCreative Common License - ND
This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is unaltered and is properly cited. The written permission of Cambridge University Press must be obtained for commercial re-use or in order to create a derivative work.
Copyright
The Author(s), 2021. Published by Cambridge University Press

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