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Build-up strategies for generating components of cylindrical shape with laser metal deposition

  • Laser Metal Deposition LMD) as additive manufacturing process offers the potential to produce near net shape components. This reduces the amount of material and post-processing. The components are composed of individual layers. Already mall irregularities within a layer can add up over multiple layers and lead to error propagation. This paper deals with the issue of build-up strategies to minimize irregularities and prevent error propagation. Different travel paths and the influence of a changing starting point regarding to error propagation are discussed. Different deposition rates between core and peripheral area are detected and successfully compensated by adjusting the build-up sequence. Stainless steel and titanium alloy Ti-6Al-4V are used in the experiments. The results are intended to illustrate the potential of an adjusted build-up strategy and provide basic information on the way to an automated deposition process. This paper is of interest for engineers inLaser Metal Deposition LMD) as additive manufacturing process offers the potential to produce near net shape components. This reduces the amount of material and post-processing. The components are composed of individual layers. Already mall irregularities within a layer can add up over multiple layers and lead to error propagation. This paper deals with the issue of build-up strategies to minimize irregularities and prevent error propagation. Different travel paths and the influence of a changing starting point regarding to error propagation are discussed. Different deposition rates between core and peripheral area are detected and successfully compensated by adjusting the build-up sequence. Stainless steel and titanium alloy Ti-6Al-4V are used in the experiments. The results are intended to illustrate the potential of an adjusted build-up strategy and provide basic information on the way to an automated deposition process. This paper is of interest for engineers in industry or science using LMD as additive manufacturing process.zeige mehrzeige weniger

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  • Deckblatt LiM 2015.pdf
    eng
  • Petrat_Build-up strategies for generating components of cylindrical shape with laser metal deposition LiM.pdf
    eng

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Autor*innen:Torsten Petrat, B. Graf, Andrey GumenyukORCiD, Michael RethmeierORCiD
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Graue Literatur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Lasers in Manufacturing Conference 2015
Jahr der Erstveröffentlichung:2015
Erste Seite:1
Letzte Seite:6
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurwissenschaften und zugeordnete Tätigkeiten
Freie Schlagwörter:Additive Manufacturing; Build - up Strategy; Laser Metal Deposition; Stainless Steel; Ti - 6Al - 4V
Veranstaltung:Lasers in Manufacturing Conference 2015
Veranstaltungsort:Munich, Germany
Beginndatum der Veranstaltung:22.06.2015
Enddatum der Veranstaltung:25.06.2015
URL:http://www.wlt.de/lim/Proceedings/Stick/sessions.html
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:18.10.2016
Referierte Publikation:Nein
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