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Design Principles and Restrictions for Continuous Fiber-Reinforced Additive Manufacturing

  • In the development of innovative and high-performance products, design expertise is a critical factor. Nevertheless, novel manufacturing processes often frequently lack an accessible comprehensive knowledge base for product developers. To tackle this deficiency in the context of emerging additive manufacturing processes, substantial design knowledge has already been established. However, novel additive manufacturing processes like continuous fiber-reinforced material extrusion have often been disregarded, complicating the process’s wider dissemination. The importance of design knowledge availability is paramount, as well as the need for user-friendly design knowledge preparation, standardized structure, and methodological support for accessing the accumulated knowledge with precision. In this paper, we present an approach that provides formalized opportunistic and restrictive design knowledge, ensuring both the comprehensive exploitation of process-specific potentials and the consideration of restrictive limitations in the construction of components. Opportunistic knowledge, presented as principle cards, is systematically derived, prepared, and made accessible. Moreover, an access system is developed to ensure the comprehensive utilization of process-specific potentials throughout the development process. Furthermore, we propose linking these principles through a synergy and conflict matrix, aiming to consider synergistic principles and identify potential conflicts at an early stage. Additionally, an approach to provide restrictive design knowledge in the form of a design rule catalog is proposed. The application of the knowledge system is demonstrated exemplarily using a weight-optimized component.

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Author:Tim HeitkampORCiD, Karl Hilbig, Sebastian KuschmitzORCiD, Simon GirnthORCiD, Nils WaldtGND, Günter KlawitterGND, Thomas VietorORCiDGND
DOI original:https://doi.org/10.1115/1.4065142
Parent Title (English):ASME Journal of Mechanical Design
Document Type:Article
Year of Completion:2024
Publishing Institution:Hochschule Hannover
Release Date:2024/06/11
GND Keyword:Rapid Prototyping <Fertigung>
Article Number:062002
Page Number:25
Institutes:Fakultät II - Maschinenbau und Bioverfahrenstechnik
DDC classes:670 Industrielle und handwerkliche Fertigung
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International