Manufacturing Technology 2023, 23(2):233-240 | DOI: 10.21062/mft.2023.027

Geometric Accuracy of Components Manufactured by SLS Technology Regarding the Orientation of the Model during 3D Printing

Miroslav Matuš ORCID...1, Vladimír Bechný ORCID...1, Richard Joch ORCID...1, Mário Drbúl ORCID...1, Jozef Holubják ORCID...1, Andrej Czán ORCID...1, Martin Novák ORCID...2, Michal Šajgalík ORCID...1
1 Faculty of Mechanical Engineering, Žilinská univerzita v Žiline, Univerzitná 8215/1, 010 26 Žilina, Slovakia
2 Faculty of Mechanical Engineering, Jan Evangelista Purkyne University in Usti nad Labem, Pasteurova 3334/7, 400 01 Usti nad Labem. Czech Republic

Selective Laser Sintering (SLS) or sintering of polymer powders is one of the most well-known additive technologies for printing 3D components. The properties of individual polymer powder materials have a significant impact on the quality of the manufactured part. Potential deformation and shrinkage can occur during printing if a significant number of parts are piled on top of one another or are oriented incorrectly, accumulating thermal energy in certain areas. The aforementioned research focuses on an experimental study to investigate the impact of the distribution and orientation of printing samples in the build chamber on the accuracy of dimensions and the surface roughness of PA12 prints. The aim of the study was to examine the impact of model settings during production as well as the effect of individual factors on the properties of manufactured parts, with a focus on ensuring that heat rises evenly from each print without accumulating.

Keywords: Additive Manufacturing, Selective Laser Sintering, Geometric Accuracy, PA12
Grants and funding:

This publication is the result of support under the Operational Program Integrated Infrastructure for the project: Strategic implementation of additive technologies to strengthen the intervention capacities caused by the COVID-19 pandemic ITMS code: 313011ASY4, co-financed by the European Regional Development Fund

Received: January 27, 2023; Revised: April 14, 2023; Accepted: April 18, 2023; Prepublished online: April 25, 2023; Published: May 4, 2023  Show citation

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Matuš M, Bechný V, Joch R, Drbúl M, Holubják J, Czán A, et al.. Geometric Accuracy of Components Manufactured by SLS Technology Regarding the Orientation of the Model during 3D Printing. Manufacturing Technology. 2023;23(2):233-240. doi: 10.21062/mft.2023.027.
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