CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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id acadia17_260
authors Goldman, Melissa; Myers, Carolina
year 2017
title Freezing the Field: Robotic Extrusion Techniques Using Magnetic Fields
source ACADIA 2017: DISCIPLINES & DISRUPTION [Proceedings of the 37th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-96506-1] Cambridge, MA 2-4 November, 2017), pp. 260-265
summary The introduction of robotics into the field of 3D printing allows designers and fabricators to truly print in three dimensions, focusing more on the volumetric properties of the extrusion rather than two-dimensional slicing and, furthermore, introducing forces that can defy gravity. This paper introduces a new method of robotic extrusion using magnetic fields to construct ferrostructures. Using a custom tool and ferromagnetic material, the research develops a construction process utilizing the off-plane toolpaths of a 6-axis industrial robotic arm to pull, attract, and repel material into a hardened structure. The ferromagnetic liquid forms spikes and connections around the invisible magnetic fields, and upon hardening, freezes the field into a new physical artifact. This extrusion process allows a fabrication that defies gravity. The robotic fabrication process allows microextrusions to build off of one another, scaling the result to approach an architectural scale and bringing a new freedom to the designer and the fabricator.
keywords material and construction; fabrication; construction/robotics
series ACADIA
email goldman@virginia.edu
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100%; open Koelman, Zelf, Mark J. de Graff, and Hans J. Leeuw (2015) Find in CUMINCAD From Meaning to Liquid Matters , Proceedings of the 21st International Symposium on Electronic Art, edited by Kate Armstrong. Vancouver, BC: ISEA

100%; open Odenbach, Stefan, editor (2009) Find in CUMINCAD Colloidal Magnetic Fluids: Basics, Development and Application of Ferrofluids , Berlin: Springer

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