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Sugar 3D Printing: Additive Manufacturing with Molten Sugar for Investigating Molten Material Fed Printing

Author(s)
Leung, Pok Yin
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DownloadLeung-Sugar 3D Printing_ Additive Manufac.pdf (394.8Kb)
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.

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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
Recent breakthroughs in additive manufacturing of molten glass using gravity-fed mechanisms have opened a new area of research in large-scale extrusion of molten material. However, the machines and techniques used for printing molten glass are expensive and complex due to high process temperature (>1000°C). A mixture of sucrose sugar and corn syrup is proposed as an analogous substitution material for research in molten material fed three-dimensional (3D) printing. Molten sugar is optically transparent and it exhibits similar temperature–viscosity relationship and solidification properties as molten glass, but at a much lower temperature (100–150°C). A low cost, desktop size 3D printer is designed with a temperature controlled sugar reservoir made from easily obtainable parts. The process of printing with molten sugar is demonstrated with success in recreating objects with similar complexity to glass prints. The techniques described in this study can be implemented easily for future investigation of glass and other molten material fed 3D printing. The design space of the printed object can be explored, for example, minimum radii, draft angle, and optical properties. Many process parameters can be tested with this system, for example, layer height, printing speed, nozzle design, multicolor material feed, and toolpath strategy.
Date issued
2017-03
URI
http://hdl.handle.net/1721.1/115176
Department
Massachusetts Institute of Technology. Department of Architecture
Journal
3D Printing and Additive Manufacturing
Publisher
Mary Ann Liebert, Inc.
Citation
Leung, Pok Yin Victor. “Sugar 3D Printing: Additive Manufacturing with Molten Sugar for Investigating Molten Material Fed Printing.” 3D Printing and Additive Manufacturing 4, 1 (March 2017): 13–18 © 2017 Mary Ann Liebert, Inc
Version: Final published version
ISSN
2329-7662
2329-7670

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