Temat: shape accuracy - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Prediction of the shape accuracy of parts fabricated by means of FLM process using FEM simulations
Autorzy:: Möhring, H.-Christian
Stehle, Thomas
Maucher, Clemens
Becker, Dina
Braun, Steffen
Powiązania:: https://bibliotekanauki.pl/articles/99674.pdf
Data publikacji:: 2019
Wydawca:: Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:: additive manufacturing
FLM-simulation
shape accuracy
Opis:: The prediction of component properties from the Additive manufacturing (AM) process poses a challenge. Therefore, this paper presents the development of a novel machine data (G-Code) based procedure as well as its programming implementation of a process simulation in ANSYS Mechanical for the fused layer modelling (FLM) process. For this purpose, an investigation of additively produced components with varying parameters made of polylactic acid (PLA) is carried out and simulated by means of the developed method. Application of the developed method makes it possible to predict the thermally induced distortion of PLA-Parts based on the machine data from the FLM process before production.
Źródło:: Journal of Machine Engineering; 2019, 19, 1; 114-127
1895-7595
2391-8071
Pojawia się w:: Journal of Machine Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Dimensional-Shape Verification of a Selected Part of Machines Manufactured by Additive Techniques
Autorzy:: Bernaczek, Jacek
Budzik, Grzegorz
Dziubek, Tomasz
Przeszłowski, Łukasz
Wójciak, Kinga
Powiązania:: https://bibliotekanauki.pl/articles/2201895.pdf
Data publikacji:: 2023
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: dimensional accuracy
shape accuracy
coordinate measurements
3D scanning
additive manufacturing
FFF technology
PolyJet technology
Opis:: The publication covers the complex process of analyzing the accuracy of mapping models produced in AM (Additive Manufacturing) processes with a thermoplastic material – FFF (Fused Filament Fabrication) and polymerization of light-curing resin – PolyJet. The research was conducted with the use of an advanced optical measuring system – the GOM Atos 3D scanner. The part selected for the research in question was the water pump body as a representative example of an element with adequate dimensional and shape conditions (high degree of folding and geometric differentiation) allowing, based on the results of coordinate measurements determined in the research process, to define the potential area of application of AM models made of thermoplastic material and resin hardened with UV light. The performed tests showed the accuracy of individual AM methods at a level within the range declared by machine manufacturers. However, the PolyJet body is characterized by a much higher accuracy of the shape mapping compared to the FFF body. The dimensional accuracy is also higher for the resin model in relation to the thermoplastic model, which results primarily from the thickness of the elementary layer of the model material applied by the printing module defined for individual incremental processes – 16 μm for RGD 720 and 0.2 mm for ABS. Detailed elaboration and analysis of the research results are presented in this publication.
Źródło:: Advances in Science and Technology. Research Journal; 2023, 17, 1; 46--57
2299-8624
Pojawia się w:: Advances in Science and Technology. Research Journal
Dostawca treści:: Biblioteka Nauki

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