Browsing by Subject "design and development"

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Design and Development of a Multi-Tool Additive Manufacturing System
(University of Texas at Austin, 2017) Wagner, Grady W.; Bass, Lindsey B.; Rau, Daniel A.; Ziv, Scott B.; Wolf, Mitchell S.; Wolf, David L.; Meenakshisundaram, Viswanath; Williams, Christopher B.
Additive manufacturing (AM) makes complex parts with a single class of material. Each AM technology encompasses specific techniques and requires diverse components to selectively form each layer, which has segregated AM research by respective technologies. Multimaterial AM exists, but it is the same class of material with the same deposition tool. To fully benefit from AM, researchers must explore the combination of multiple AM modalities and materials such that a multifunctional part may be fabricated using strengths of multiple technologies. While the methods for fabricating each layer differ, all of the AM technologies share the fundamental layer-based approach. By recognizing this universal similarity coupled with the desire to make multifunctional parts, a single system has been created to combine five different AM modalities. In this paper, the authors discuss the design and development of a multi-tool AM system that includes binder jetting, material jetting, vat photopolymerization, paste extrusion, and filament extrusion. Examples of multifunctional, multimaterial parts fabricated by multiple AM processes in a single integrated process are demonstrated.