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Selective laser melting of metals: desktop machines open up new chances even for small companies

  • Additive manufacturing (AM) of metal parts by using Selective Laser Melting (SLM) has become a powerful tool mostly in the area of automotive, aerospace engineering and others. Especially in the field of dentistry, jewelry and related branches that require individualized or even one-of-a-kind products, the direct digital manufacturing process opens up new ways of design and manufacturing. In these fields, mostly small and medium sized businesses (SME) are operating which do not have sufficient human and economic resources to invest in this technology. But to stay competitive, the application of AM can be regarded as a necessity. In this situation a new desktop machine (Realizer SLM 50) was introduced that cost about 1/3 of a shop floor SLM machine and promises small quality parts. To find out whether the machine really is an alternative for SMEs the University of Applied Science, Aachen, Germany, designed, build and optimized typical parts from the dentistry and the jewelry branches using CoCr and silver material, the latter being new with this application. The paper describes the SLM procedure and how to find and optimize the most important parameters. The test is accompanied by digital simulation in order to verify the build parameters and to plan future builds. The procedure is shown as well as the resulting parts made from CoCr and silver material.

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Metadaten
Author:Jan-Steffen Hötter, Miranda Fateri, Andreas GebhardtORCiD
DOI:https://doi.org/10.4028/www.scientific.net/AMR.622-623.461
ISSN:1662-8985 (E-Journal); 1022-6680 (Print)
Parent Title (English):Advanced materials research
Publisher:Trans Tech Publ.
Place of publication:Baech
Document Type:Article
Language:English
Year of Completion:2012
Date of the Publication (Server):2013/12/16
Volume:622-623
First Page:461
Last Page:465
Link:https://doi.org/10.4028/www.scientific.net/AMR.622-623.461
Zugriffsart:weltweit
Institutes:FH Aachen / Fachbereich Maschinenbau und Mechatronik
collections:Verlag / Trans Tech Publications