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    Wyświetlanie 1-4 z 4
    Tytuł:
    Integration of Virtual Engineering and Additive Manufacturing for Rapid Prototyping of Precision Castings
    Autorzy:
    Krutiš, V.
    Šprta, P.
    Kaňa, V.
    Zadera, A.
    Cileček, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1837786.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    product development
    innovative foundry technologies
    virtual engineering
    rapid prototyping
    rozwój produktu
    innowacyjne technologie odlewnicze
    inżynieria wirtualna
    prototyp
    Opis:
    The present paper is concerned with the practical interconnection between virtual engineering tools and additive model manufacturing technologies and the subsequent production of a ceramic shell by rapid prototyping with the use of Cyclone technology to produce the aluminium casting prototype. Prototypes were developed as part of the student formula project, where several parts originally produced by machining were replaced by castings. The techniques of topological optimization and the combination with the tools of the numerical simulation were used to optimise the virtual prototype before a real production of the first prototype. 3D printing of wax pattern ensured direct and fast assembly of the cluster without any additional operations and troubles during dewaxing. The shell was manufactured in 6 hours thanks to a system of quick-drying of individual layers of ceramic shell. It has been verified that the right combination of individual virtual tools with the rapid prototyping can shorten the development time and delivery of the first prototypes from a few months to a few weeks.
    Źródło:
    Archives of Foundry Engineering; 2021, 21, 1; 51-55
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Integration of Virtual Engineering and Additive Manufacturing for Rapid Prototyping of Precision Castings
    Autorzy:
    Krutiš, V.
    Šprta, P.
    Kaňa, V.
    Zadera, A.
    Cileček, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1837847.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    product development
    innovative foundry technologies
    virtual engineering
    rapid prototyping
    rozwój produktu
    innowacyjne technologie odlewnicze
    inżynieria wirtualna
    prototyp
    Opis:
    The present paper is concerned with the practical interconnection between virtual engineering tools and additive model manufacturing technologies and the subsequent production of a ceramic shell by rapid prototyping with the use of Cyclone technology to produce the aluminium casting prototype. Prototypes were developed as part of the student formula project, where several parts originally produced by machining were replaced by castings. The techniques of topological optimization and the combination with the tools of the numerical simulation were used to optimise the virtual prototype before a real production of the first prototype. 3D printing of wax pattern ensured direct and fast assembly of the cluster without any additional operations and troubles during dewaxing. The shell was manufactured in 6 hours thanks to a system of quick-drying of individual layers of ceramic shell. It has been verified that the right combination of individual virtual tools with the rapid prototyping can shorten the development time and delivery of the first prototypes from a few months to a few weeks.
    Źródło:
    Archives of Foundry Engineering; 2021, 21, 1; 37-50
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Long-term Annealing of NiCrAlY LENS Coating on 316L Steel
    Autorzy:
    Szymański, Krzysztof K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2203942.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    NiCrAlY
    LENS
    Laser Engineered Net Shaping
    additive manufacturing
    long-term annealing
    microstructural stability
    produkcja dodatkowa
    długotrwałe wyżarzanie
    stabilność mikrostrukturalna
    Opis:
    This article presents the results of a research on the behavior of NiCrAlY coating obtained by the LENS method on austenitic stainless steel type 316L under long-term annealing conditions at 1000°C for 25, 100 and 250 hours. The morphology of the NiCrAlY layer as a function of annealing time and temperature was characterized. The chemical composition and distribution of alloying elements were evaluated using scanning microscopy and micro-area chemical composition analysis. It was revealed that NiCrAlY coatings deposited by LENS method are characterized by good metallurgical quality. The long-term annealing of the NiCrAlY coating led to microstructural changes in the form of the disappearance of the original dendritic structure and the formation of a solid solution of nickel with chromium and a small amount of aluminum, as well as chromium α-Cr precipitates and Ni-Y-type phases. The effect of increasing iron concentration in the coating due to diffusion-to-core processes was also found.
    Źródło:
    Archives of Foundry Engineering; 2022, 22, 4; 116--120
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Use of Selective Laser Melting (SLM) as a Replacement for Pressure Die Casting Technology for the Production of Automotive Casting
    Autorzy:
    Piekło, J.
    Garbacz-Klempka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1837724.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    additive manufacturing
    selective laser melting
    automotive casting
    mechanical properties
    microstructure
    produkcja dodatkowa
    selektywne topienie laserowe
    odlewy samochodowe
    właściwości mechaniczne
    mikrostruktura
    Opis:
    Selective laser melting is one of the additive manufacturing technologies that is used to produce complex-shaped components for applications in the automotive industry. The purpose of the changes in the design, technology, and material tests was to make a steering gear housing using the SLM method. The steering gear housing was produced by the pressure casting method using an AlSi9Cu3(Fe) alloy. The construction of this housing is adapted to the specifics of left-hand traffic. The change in technology was related to the change of the position of the steering system from right-hand to left-hand and the demand for a limited number of gear housings. It was necessary to make a virtual model of the housing on the basis of the part that was removed from the vehicle. In SLM technology, the AlSi10Mg aluminum alloy was used as a raw material in the form of CL 32Al gas-atomized powder. After the SLM process was completed, the housings were subjected to heat treatment. The AlSi10Mg alloy fabricated by the SLM method after heat treatment is characterized by good plasticity and an average value of tensile strength. The last stage was to check the geometry of the SLM housing with a 3D scanner. As a result, a map of the dimensional deviations from the nominal values was obtained. This data was used to modify the CAD model before the next fabrication process. The use of 3D printing technology allowed for the quick production of elements. The time to develop the technology and the production of the first two gear housings based on a 3D model was seven days.
    Źródło:
    Archives of Foundry Engineering; 2021, 21, 2; 9-16
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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