Journal ArticleDOI
Economics of additive manufacturing for end-usable metal parts
Eleonora Atzeni,Alessandro Salmi +1 more
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In this paper, a comparison between two different technologies for metal part fabrication, the traditional high-pressure die-casting and the direct metal laser sintering additive technique, is done with consideration of both the geometric possibilities of AM and the economic point of view.Abstract:
Additive manufacturing (AM) of metal parts combined with part redesign has a positive repercussion on cost saving. In fact, a remarkable cost reduction can be obtained if the component shape is modified to exploit AM potentialities. This paper deals with the evaluation of the production volume for which AM techniques result competitive with respect to conventional processes for the production of end-usable metal parts. For this purpose, a comparison between two different technologies for metal part fabrication, the traditional high-pressure die-casting and the direct metal laser sintering additive technique, is done with consideration of both the geometric possibilities of AM and the economic point of view. A design for additive manufacturing approach is adopted. Costs models of both processes are identified and then applied to an aeronautical component selected as case study. This research evidences that currently additive techniques can be economically convenient and competitive to traditional processes for small to medium batch production of metal parts.read more
Citations
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Journal ArticleDOI
Supply chain implications of additive manufacturing: a holistic synopsis through a collection of case studies
TL;DR: The study shows that impacts of AM technologies are not partial or isolated disruptions, but rather encompass a range of changes whose overall consequences spread across different phases of supply chain.
Journal ArticleDOI
Digital Twin-enabled Collaborative Data Management for Metal Additive Manufacturing Systems
TL;DR: In this paper , the authors proposed a novel Digital Twin (DT)-enabled collaborative data management framework for metal additive manufacturing (AM) systems, where a Cloud DT communicates with distributed Edge DTs in different product lifecycle stages.
Journal ArticleDOI
State-of-the-art of selective laser melting process: A comprehensive review
TL;DR: A comprehensive and state-of-the-art study on the Selective Laser Melting (SLM) process regarding the types of materials used, the printing of reflective material and multi-materials, the effect of several process parameters on thermo-mechanical properties of parts, printing of lattice structure, a novel support structure technique, types of post-processing methods, and basic information on simulation software used for SLM processes is provided in this article .
Journal ArticleDOI
Additively manufactured heat exchangers: a review on opportunities and challenges
TL;DR: In this paper, a thorough review of the challenges and opportunities in additively manufactured heat exchanger design and manufacturing is presented, and a part of the review is dedicated to investigate the experimental characterization of additively constructed HXs.
Journal ArticleDOI
Prospective study on the integration of additive manufacturing to building industry—Case of a French construction company
TL;DR: In this article, the authors present a reflection on the use of additive manufacturing in construction and identify some of the advantages of using additive manufacturing for the construction of new buildings, such as building rate improvement and schedules shortening.
References
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Book
Additive Manufacturing Technologies: Rapid Prototyping to Direct Digital Manufacturing
TL;DR: Gibson et al. as discussed by the authors presented a comprehensive overview of additive manufacturing technologies plus descriptions of support technologies like software systems and post-processing approaches, and provided systematic solutions for process selection and design for AM Additive Manufacturing Technologies: Rapid Prototyping to Direct Digital Manufacturing.
BookDOI
Rapid manufacturing : an industrial revolution for the digital age
TL;DR: In this paper, the authors present a discussion of the potential of rapid manufacturing in the automotive industry and present a case study of how to modify a garden fork handle in order to make it more efficient.
Journal ArticleDOI
Rapid Manufacturing of Metal Components by Laser Forming
TL;DR: In this article, the main driving force of rapid prototyping or layer manufacturing techniques changed from fabrication of prototypes to rapid tooling (RT) and rapid manufacturing (RM), and nowadays, the direct fabrication of functional or structural end-use products made by layer manufacturing methods, i.e. RM, is the main trend.
Book ChapterDOI
Design for Additive Manufacturing
TL;DR: In this article, the capabilities of additive manufacturing technologies provide an opportunity to rethink DFM to take advantage of the unique capabilities of these technologies, and several companies are now using AM technologies for production manufacturing.
Journal ArticleDOI
Cost estimation for rapid manufacturing - laser sintering production for low to medium volumes:
TL;DR: In this article, a cost model for laser sintering is proposed, which leads to graph profiles that are typical for layer-by-layer manufacturing processes, and the evolution of cost models and the indirect cost significance in modern costing representation is shown.