Large scale additive manufacturing of thermosetting material

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Abstract

Additive manufacturing (AM) technologies are these years experiencing a larger amount of traction in terms of applications due to an ever-increasing development of printing material properties. Properties, which in the past have been neglected, due to the manufacturing speed requirements, are now getting the attention needed to be widely accepted for industrial productions based additive manufacturing. While the thermos-plastic materials have been preferred in large scale plastic AM it leaves a gap in the AM toolbox, that is the thermos-setting materials, which typically provides cheaper, high fatigue, no creep properties required for many applications. This work will consider some of the requirements for the adaptation of low-cost thermosetting materials in material extrusion-based AM processes in the larger scale. Some of the key challenges found during this work are; the open process window criteria versus form stability of the printed material, the curing profile and its influence on the AM process and how to connect this to properly prepare geometries for thermo-setting printing on a larger scale.
Original languageEnglish
Title of host publicationProceedings of the Joint Special Interest Group meeting between euspen and ASPE : Dimensional Accuracy and Surface Finish in Additive Manufacturing
Number of pages6
PublisherThe European Society for Precision Engineering and Nanotechnology
Publication date2017
Publication statusPublished - 2017
Eventeuspen and ASPE Special Interest Group Meeting: Additive Manufacturing: Dimensional Accuracy and Surface Finish from Additive Manufacturing - Katholieke Universiteit Leuven, Leuven, Belgium
Duration: 10 Oct 201711 Oct 2017

Conference

Conferenceeuspen and ASPE Special Interest Group Meeting: Additive Manufacturing
LocationKatholieke Universiteit Leuven
CountryBelgium
CityLeuven
Period10/10/201711/10/2017

Keywords

  • Big Area Additive Manufacturing
  • Process analysis
  • Thermo-set AM
  • Thermo-chemical model
  • Finite volume discretisation.

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