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

PDF papers
id ecaade2020_395
authors Xian, Ziju, Hoban, Nicholas and Peters, Brady
year 2020
title Spatial Timber Assembly - Robotically Fabricated Reciprocal Frame Wall
source Werner, L and Koering, D (eds.), Anthropologic: Architecture and Fabrication in the cognitive age - Proceedings of the 38th eCAADe Conference - Volume 2, TU Berlin, Berlin, Germany, 16-18 September 2020, pp. 403-412
summary Though highly robust and economical, traditional lamella and reciprocal structural systems cannot adapt to surfaces with complex double curvature; as the timber members are standardized with no variation. Recent research has explored the use of computation for design, structural optimization, and use of robotic systems for the automated fabrication of timber joints. The disconnection between fabrication and assembly makes the construction of non-uniform double-curved reciprocal frames challenging, due to the required precise placement of discrete members with compound angle butt joints. This project investigates the use of robotic fabrication to cut and assemble a timber reciprocal frame assembly. A computational model was created to generate the double-curved reciprocal frame geometry. Within this computational framework, joint analysis, fabrication, and assembly were monitored and adjusted to meet limiting factors. An industrial robot was implemented as a bridge between the computational model and the physical construction. This paper presents a number of novel computational and robotic fabrication techniques in designing, cutting, and positioning. These techniques were explored through the robotic fabrication and assembly of a demonstrator - a double-curved reciprocal frame wall.
keywords Robotic Fabrication; Reciprocal Frame; Prototyping
series eCAADe
full text file.pdf (18,063,043 bytes)
references Content-type: text/plain
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100%; open Parascho, S, Gandia, A, Mirjan, A, Gramazio, F and Kohler, M (2017) Find in CUMINCAD Cooperative Fabrication of Spatial Metal Structures , Fabricate, London, UK, pp. 24-29

100%; open Thönnissen, U (2015) Find in CUMINCAD Reciprocal Frameworks: Tradition and Innovation , GTA Verlag, Zürich

100%; open Willmann, J, Knauss, M, Bonwetsch, T, Apolinarska, AA, Gramazio, F and Kohler, M (2016) Find in CUMINCAD Robotic timber construction - Expanding additive fabrication to new dimensions , Automation in Construction, 61, pp. 16-23

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