Temat: Stereolithography - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Additive manufacturing for health technology applications
Autorzy:: Klimaschewski, Sven F.
Raschke, Robert
Vehse, Mark
Powiązania:: https://bibliotekanauki.pl/articles/95165.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:: additive manufacturing
biocompatible hydrogel
stereolithography
selective laser sintering
wytwarzanie przyrostowe
hydrożel
stereolitografia
selektywne spiekanie laserowe
Opis:: In this study we demonstrate an overview about possibilities in using additive manufacturing for tissue engineering and orthopedic prosthesis. We show the possibilities to produce scaffolds by using a low cost commercial stereolithography system under the use of biocompatible hydrogels like Poly(ethylene glycol) diacrylate. We also demonstrate that it is possible to use a low cost selective laser sintering system to produce individual prostheses to support the healing process in many orthopedic issues.
Źródło:: Journal of Mechanical and Energy Engineering; 2019, 3, 3; 215-220
2544-0780
2544-1671
Pojawia się w:: Journal of Mechanical and Energy Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Material investigations on poly(ethylene glycol) diacrylate-based hydrogels for additive manufacturing considering different molecular weights
Autorzy:: Klimaschewski, Sven F.
Küpperbusch, Janine
Kunze, Annika
Vehse, Mark
Powiązania:: https://bibliotekanauki.pl/articles/2106437.pdf
Data publikacji:: 2022
Wydawca:: Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:: additive manufacturing
stereolithography
PEGDA
molecular weight
material properties
biocompatible hydrogel
wytwarzanie przyrostowe
stereolitografia
masa cząsteczkowa
właściwości materiałów
hydrożel
Opis:: The aim of this case study is to generate several poly(ethylene glycol) diacrylate-based hydrogels using additive manufacturing processes. The interest here is in determining different material properties. The test specimens are produced using a commercial stereolithography system. For this purpose, three formulations are prepared. The basis in each case is PEGDA with average molecular weights of 700 Mn, 575 Mn and 250 Mn. A photoinitiator and a UV absorber are added to ensure spatial and temporal cross-linking. Furthermore, the formulations are tested for their material properties according to ISO standards using tensile, compression and hardness tests. An equivalence can be found in the tensile and compression tests. The results with the molecular weights of 700 Mn and 575 Mn show values close to each other. However, the results of the material tests with the molecular weight of 250 Mn are ten times higher. The Shore A hardness values also correlate with the previous tests. These results between molecular weight and material property are particularly striking. A novel aspect of this method could be that the properties determined of these tailor-made high-performance polymers can be applied to different areas of application in an organism.
Źródło:: Journal of Mechanical and Energy Engineering; 2022, 6, 1; 33--42
2544-0780
2544-1671
Pojawia się w:: Journal of Mechanical and Energy Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Effect of parameters of the stereolithography process on the part quality
Autorzy:: Lewiński, Tomasz
Kukiełka, Krzysztof
Chaciński, Tomasz
Jaskólski, Piotr
Powiązania:: https://bibliotekanauki.pl/articles/2201645.pdf
Data publikacji:: 2022
Wydawca:: Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:: SLA
stereolithography
3D scanning
process parameters
curing time
layer thickness
lift speed
stereolitografia
skanowanie 3D
parametry procesu
czas utwardzania
grubość warstwy
prędkość podnoszenia
Opis:: This paper investigates the effect of additive manufacturing parameters on the manufacturing quality of selected gear mechanism components. Three input variables, and two output variables were determined. The result was the determination of the most optimal combination of key parameters and the determination of regression equations. The concept of manufacturing objects of a very complex shape, by any person, under various conditions through the use of a low-cost device became the basis for this thesis topic. Curing time, layer thickness, and lift speed are among the basic parameters, with a large range of manipulation. A hypothesis was formulated that these three parameters are crucial to produce a part with the smallest possible deviations from the computer model. A handheld scanner was used to scan the samples and compare them with the CAD model. Based on the study, optimal parameters for layer thickness, curing time and lift speed were proposed.
Źródło:: Journal of Mechanical and Energy Engineering; 2022, 6, 2; 1--12
2544-0780
2544-1671
Pojawia się w:: Journal of Mechanical and Energy Engineering
Dostawca treści:: Biblioteka Nauki

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