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Wyświetlanie 1-4 z 4
Tytuł:
3D printers – new possibilities in education
Autorzy:
Szulżyk-Cieplak, J.
Duda, A.
Sidor, B
Powiązania:
https://bibliotekanauki.pl/articles/102136.pdf
Data publikacji:
2014
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
3D printer
3D scanner
3D print
Opis:
In the last few years a significant growth of three-dimensional printing has been no-ticed. Although 3D printers have been around for about 30 years, they were very ex-pensive, that is why they were available in the industry only in the majority . In recent years, prices of 3D printers have fallen more than tenfold, owing to the fact they are used not only in large enterprises but also in all kinds of educational institutions, small businesses or in do-it-yourself men’s houses. They are, inter alia, used to construct physical models, so much needed in education. Nowadays, one of the most popular 3D printing technologies is FDM (Fused Deposition Modeling). Relatively low prices of printers in this technology make them available for almost everyone. The paper discusses the technology of rapid prototyping, with particular emphasis on the use of 3D printing and appropriately matched printer to designed laboratory stand.
Źródło:
Advances in Science and Technology. Research Journal; 2014, 8, 24; 96-101
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The use of optical scanner in measurements of complex shape objects
Autorzy:
Juras, B.
Szewczyk, D.
Sładek, J.
Powiązania:
https://bibliotekanauki.pl/articles/102029.pdf
Data publikacji:
2013
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
optical scanner
complex shape elements
reference model
shape compatibility assessment
Opis:
The paper presents the topic of measurements of simple and complex shaped ob¬jects. Optical measurement method with the use of laser scanner was presented, as well as the issues of geometry measurements and shape assessment by the use of the strategy of fitting to standard elements. The construction of a reference model for given elements by measuring of malformed elements was shown. The given examples confirmed the usefulness of presented optical method in the assessment of shape com¬patibility of real element with nominal one, as well as in the assessment of objects’ deformation.
Źródło:
Advances in Science and Technology. Research Journal; 2013, 7, 19; 48-54
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Digital Shape and Geometric Dimension Analysis of Polymer Fuel Tanks
Autorzy:
Józwik, J.
Dziedzic, K.
Powiązania:
https://bibliotekanauki.pl/articles/2023813.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
3D scanner
reverse engineering
fuel tanks
dimensional measurement
skaner 3D
inżynieria odwrotna
zbiornik paliwa
pomiar wymiarów
Opis:
3D optical scanning method, is employed to digital shape and geometric dimension analysis of fuel tanks. The following paper presents the application possibilities of the optical 3D measurement method for measuring and archiving dimensions of geometrically complex parts, on the example of a passenger car fuel tank in local company. Based on the conducted measurements, for a specific type and size of the population of fuel tanks, proposed model that classifies the geometric accuracy of the tanks produced in the production line. For the analysis and data processing different informatics techniques have been used. The main objective of theirs was to identify the possibility of implementing the system for automation of the measurement to the production line. The measurements were implementation at local company - a manufacturer of polymer tanks in the automotive industry. For most of the measuring points, the mean value of the measuring deviations ranged from -1 mm to +1 mm. The mean values of the standard deviations are presented for a representative deviation of the X dimension of 0.1; 5; 10; 15 and 20 mm were respectively: 0.014; 0.150; 0.172; 0.289; 0.340 mm. The dimensional shape assessment of the manufactured tanks is extremely important from the point of view of the automation of this task in the production line. The optimization of the measurement of tanks carried out in laboratory conditions was implemented on the production line. The main task of optical scanning for the assessment of dimensional conformity has not been used so far in factory. This is due not only to the cost of such systems, but also to certain limitations that have been resolved thanks to laboratory tests. The obtained results of the metrological inspection make it possible to identify significant dimensional and shape deviations of automatically manufactured tanks. The proposed use of artificial neural networks allows the production with a high quality of tanks accuracy with the minimum the number of scanned tanks in the production line. The paper also presents the possibilities of the computer software to analyze the deviations of geometrically very complex parts.
Źródło:
Advances in Science and Technology. Research Journal; 2021, 15, 4; 38-48
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Realization and Verification of Data Conversion from Laser Scanner to FEM
Autorzy:
Sapietová, Alžbeta
Štalmach, Ondrej
Sága, Milan
Stančeková, Dana
Gajdoš, Lukáš
Powiązania:
https://bibliotekanauki.pl/articles/102571.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
3D laser scanner
data processing
CAD model
MeshLab
Ansys Workbench
skaner laserowy 3D
przetwarzanie danych
model CAD
Opis:
This paper deals with the data processing in the form of a point cloud scanned using a handheld 3D laser scanner. The aim of the paper was to use this data to create a representative FEM model and compare two different ap¬proaches, one them involved creating a CAD model and the other one did not. The data processing was carried out in the freeware systems MeshLab and Meshmixer and FEM analysis in the software ANSYS Workbench.
Źródło:
Advances in Science and Technology. Research Journal; 2020, 14, 1; 69-74
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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