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 caadria2019_660
authors Aghaei Meibodi, Mania, Giesecke, Rena and Dillenburger, Benjamin
year 2019
title 3D Printing Sand Molds for Casting Bespoke Metal Connections - Digital Metal: Additive Manufacturing for Cast Metal Joints in Architecture
source M. Haeusler, M. A. Schnabel, T. Fukuda (eds.), Intelligent & Informed - Proceedings of the 24th CAADRIA Conference - Volume 1, Victoria University of Wellington, Wellington, New Zealand, 15-18 April 2019, pp. 133-142
summary Metal joints play a relevant role in space frame constructions, being responsible for large amount of the overall material and fabrication cost. Space frames which are constructed with standardized metal joints are constrained to repetitive structures and topologies. For customized space frames, the fabrication of individual metal joints still remains a challenge. Traditional fabrication methods such as sand casting are labour intensive, while direct 3D metal printing is too expensive and slow for the large volumes needed in architecture.This research investigates the use of Binder Jetting technology to 3D print sand molds for casting bespoke metal joints in architecture. Using this approach, a large number of custom metal joints can be fabricated economically in short time. By automating the generation of the joint geometry and the corresponding mold system, an efficient digital process chain from design to fabrication is established. Several design studies for cast metal joints are presented. The approach is successfully tested on the example of a full scale space frame structure incorporating almost two hundred custom aluminum joints.
keywords 3D printing; binder jetting; sand casting; metal joints; metal casting; space frame; digital fabrication; computational design; lightweight; customization
series CAADRIA
email mania.meibodi@gmail.com
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100%; open Aghaei Meibodi, MG (2018) Find in CUMINCAD Digital Metal: Additive Manufacturing for Casting Metal Parts in Architecture , 3D Construction Printing (3DcP), Melbourne, Australia

100%; open Bhavar, V, Forge, B and Kattire, P (2014) Find in CUMINCAD A review on powder bed fusion technology of metal additive manufacturing Cryogenic View project additive manufacturing View project , 4th International Conference and Exhibition on Additive Manufacturing Technologies-AM-2014, pp. 1-2

100%; open Galjaard, S, Hofman, S, Perry, N and Ren, S (2015) Find in CUMINCAD Optimizing Structural Building Elements in Metal by using Additive Manufacturing , International Association for Shell and Spatial Structures (IASS), 2015(2), pp. 1-12

100%; open Hines, EM and C, GW (2011) Find in CUMINCAD Turning the Corner with Steel Castings , modern steel construction 2011, December, pp. 36-40

100%; open Lan, TT (1999) Find in CUMINCAD Space Frame Structures , Wai-Fah, C (eds), Handbook of Structural Engineering, CRC Press LLC, Boca Raton, pp. 21-24

100%; open Lynch, PC (2017) Find in CUMINCAD Integration of Binder Jet Additive Manufacturing Technology into the Metal Casting Industry , 67th Annual Conference and Expo of the Institute of Industrial Engineers, pp. 1721-1726

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