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    Wyświetlanie 1-5 z 5
    Tytuł:
    Influence of post-processing on the accuracy of fdm products
    Autorzy:
    Kuczko, W.
    Górski, F.
    Wichniarek, R.
    Buń, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/103092.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    additive manufacturing
    Fused Deposition Modelling
    3d scanning
    post-processing
    visual prototype
    Opis:
    This paper presents the assessment of the rapid prototyping finishing techniques for printed components. The aim of the study was to compare the element printed with FDM technology before and after the treatment, using 3D scanning techniques. The object was scanned right after manufacturing, then it was subjected to finishing treatment and 3D-scanned again. The assessment of the results was performed using the GOM Inspect software, based on a comparison between scans and nominal model.
    Źródło:
    Advances in Science and Technology. Research Journal; 2017, 11, 2; 172-179
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of additively manufactured polymer composite prototypes in foundry
    Autorzy:
    Kuczko, W.
    Wichniarek, R.
    Górski, F.
    Buń, P.
    Zawadzki, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/957963.pdf
    Data publikacji:
    2015
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    additive manufacturing
    Fused Deposition Modelling
    foundry tooling
    Opis:
    The paper presents a method, developed by the authors, for manufacturing polymer composites with the matrix manufactured in a layered manner (via 3D printing – Fused Deposition Modeling) out of a thermoplastic material. As an example of practical application of this method, functional prototypes are presented, which were used as elements of foundry tooling – patterns for sand molding. In case of manufacturing prototype castings or short series of products, foundries usually cooperate with modeling studios, which produce patterns by conventional, subtractive manufacturing technologies. If patterns have complex shapes, this results in high manufacturing costs and significantly longer time of tooling preparation. The method proposed by the authors allows manufacturing functional prototypes in a short time thanks to utilizing capabilities of additive manufacturing (3D printing) technology. Thanks to using two types of materials simultaneously (ABS combined with chemically hardened resins), the produced prototypes are capable of carrying increased loads. Moreover, the method developed by the authors is characterized by manufacturing costs lower than in the basic technology of Fused Deposition Modeling. During the presented studies, the pattern was produced as a polymer composite and it was used to prepare a mold and a set of metal castings.
    Źródło:
    Advances in Science and Technology. Research Journal; 2015, 9, 26; 20-27
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of marker arrangement on positioning accuracy of objects in a virtual environment
    Autorzy:
    Górski, F.
    Wichniarek, R.
    Kuczko, W.
    Zawadzki, P.
    Buń, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/102454.pdf
    Data publikacji:
    2015
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    marker arrangement
    positioning
    virtual environment
    Opis:
    The paper presents results of studies undertaken by the authors, aimed at determination of character of influence of marker arrangement on real-time measurement of position and orientation of an object, using an exemplary optical tracking system PST-55. Such a system can be used for interaction in immersive Virtual Reality applications. To ensure better immersion of a user in a virtual environment, it is necessary to directly translate its actions into 3D image presented by the VR application. It is possible, among other things, by the application of systems for tracking user’s movements. During the presented studies, an object with infrared-reflective markers deployed on its surface was placed in the center of a rotary table, then it was measured by the tracking system to determine the influence of the object angular position on the accuracy of determination of its position and orientation by the examined device. The measurements were performed for several different arrangements of markers, to formulate guidelines for their deployment on objects used for work in a virtual environment.
    Źródło:
    Advances in Science and Technology. Research Journal; 2015, 9, 28; 112-119
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dimensional accuracy of parts manufactured by 3d printing for interaction in virtual reality
    Autorzy:
    Górski, F.
    Wichniarek, R.
    Kuczko, W.
    Zawadzki, P.
    Buń, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/957957.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    3D Printing
    dimensional accuracy
    Virtual Reality
    ultrasound head
    Opis:
    Realism of a Virtual Reality simulation can be improved by use of physical objects tracked in real time. The paper presents possibility of using low-cost FDM process, realized by MakerBot Replicator 2X machine, in comparison with a professional one to build tooling for a simulation of ultrasound examination procedure. The objects were manufactured on two different machines out of ABS material, 3D scanned for accuracy testing and finally possibilities of their use in a VR system were evaluated.
    Źródło:
    Advances in Science and Technology. Research Journal; 2017, 11, 4; 279-285
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Strength of abs parts produced by fused deposition modelling technology – a critical orientation problem
    Autorzy:
    Górski, F.
    Wichniarek, R.
    Kuczko, W.
    Zawadzki, P.
    Buń, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/957964.pdf
    Data publikacji:
    2015
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    ABS material
    FDM technology
    strength
    Opis:
    Numerous experimental studies, including experiments performed by the authors, have shown that the part orientation during layer deposition has a very strong in-fluence on final strength of a product manufactured by additive Fused Deposition Technology. The paper presents the results of tensile, bending and impact strength tests performed on samples of various orientations, made out of ABS material using FDM technology. The results of these tests allowed discovering a unique phenomenon – with the changing orientation, not only the values of strength indexes change, but macroscopic material behavior under load as well. The transition between a “yield point” and “brittle” material usually happens in a certain range of orientation values, named a critical orientation by the authors. The paper indicates supposed ranges of critical orientation for various types of loads
    Źródło:
    Advances in Science and Technology. Research Journal; 2015, 9, 26; 12-19
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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