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    Wyświetlanie 1-5 z 5
    Tytuł:
    Analysis of Influence of Metal Components Manufacturing on Assembly of Refrigeration Equipment
    Autorzy:
    Michlowicz, E.
    Zwolińska, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/409355.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
    Tematy:
    production system
    production schedule
    sheet processing
    Opis:
    Systemic approach allows to see the production enterprise as a complex system of production and auxiliary facilities. In process approach, manufacturing makes the stream of materials flow through individual production cells in a mixed (serial – parallel) system, in a discreet way (in steps). Processing times are different at each stage. Element that connects individual production facilities are interoperable landfills, which perform the functions of semis storage departing from object N and magazine of deliveries for the next (N + 1) or another station. Chart flow of deliveries and acceptances at the time takes the stepped form. Parameters of steps depend on the processing time and batch size. In the actual manufacturing process (even in the long term), lines of supply and efficiency do not run parallel. The analyzed plant consists of 9 stations and buffers (warehouses). The process of manufacturing of the refrigeration appliance has a socket structure. An important part of the production is suitable schedule for the preparation of components and assembly.
    Źródło:
    Research in Logistics & Production; 2016, 6, 4; 351-360
    2083-4942
    2083-4950
    Pojawia się w:
    Research in Logistics & Production
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of the Quality of Metal Sheet Edges After Strip Slitting Processes in Integrated Lines on the Quality of Laser Welds
    Autorzy:
    Stańczyk, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/2201906.pdf
    Data publikacji:
    2023
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    strip slitting
    sheet metal processing
    slitting lines
    laser welding
    Opis:
    This paper concerns issues related to the processes of sheet metal slitting and laser welding in technological lines. It includes a discussion of the industry needs and requirements for semi-finished products in the form of thin metal sheets. Furthermore, the basic technical solutions used in automatic strip slitting equipment and selected process parameters based on a specific material are described. The presented results were obtained on the basis of practical verification of the assumptions using newly designed devices implemented into production. The research material consisted of samples taken from S235JR sheet after strip slitting on an integrated slitting line and samples taken from a finished sideboard profile after laser welding. The welding process had been carried out using a CO2 laser, TruLaser Cell 1100, with a power of 4kW. Areas of a laser-welded joint were analysed for varied condition of the sheet edges at the production speed of 4m/min. Microscopic weld examination for the sheet edges without strains or burrs revealed a deep penetration at the level of 2355 µm, allowing to obtain a joint with a length of 1607 µm, a small heat-affected zone, and the correct structure. The paper shows possible problems and causes of their occurrence in industrial conditions.
    Źródło:
    Advances in Science and Technology. Research Journal; 2023, 17, 2; 136--146
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Capabilities of Using Fem in Sheet-Metal Forming
    Autorzy:
    Korga, S.
    Duda, A.
    Ciekanowski, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/353683.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    FEM calculations
    modeling of plastic processing
    simulations
    sheet-metal forming
    metallographic study
    Opis:
    The aim of this study was to determine and select boundary conditions of modeling and FEM simulation for plastic processing on the example of sheet-metal forming. For sheet-metal deformation analysis, Deform 3D has been used. The study presents research methods for real and virtual conditions. There are also described common features and these differentiating obtained results. Research of conducted process of sheet-metal forming allows to determine the effectiveness of computer research methods. The finite-element method can be used as an effective tool for the study of plastic processing phenomena considering various operating conditions of individual elements provided the appropriate tools for FEM analysis.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 2B; 947-951
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermoforming of a Polystyrene Sheet with a Vibrating Male Mold
    Autorzy:
    Sasimowski, Emil
    Filipek, Przemysław
    Powiązania:
    https://bibliotekanauki.pl/articles/102223.pdf
    Data publikacji:
    2019
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    processing technology
    thermoforming
    mold’s vibration
    polystyrene sheet
    technologia przetwarzania
    termoformowanie
    wibracja formy
    blacha styropianowa
    Opis:
    The objective of the study was to present the results of research on the thermoforming process using a patented, original male mold vibrating with the adequate frequency during the stretching of a polystyrene sheet. The research included determining the influence pertaining to the frequency of the mold vibration as well as other selected conditions of the thermoforming process, such as the temperature of the heater and heating time on the irregularity of the wall thickness of the formed product. The research was conducted using the DOE methods – central composite design. The thermoforming process was conducted using the vacuum stretching method with initial forming by high-pressure air. The analysis of the results obtained showed that the frequency of mold vibration has a significant statistic influence on the thickness of the walls of a finished product, both in the area of their bottom as well as the bottom’s edge. The thickness of the product wall on these areas is also significantly influenced by the other above-mentioned factors. No interaction, however, was detected between those and the frequency of the mold vibration. Using the vibrating mold in the presented process proved favourable, since the walls of the obtained finished products showed lesser irregularity in terms of the wall thickness than the products manufactured using a fixed mold.
    Źródło:
    Advances in Science and Technology. Research Journal; 2019, 13, 4; 246-254
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Waste products minimization in sheet cutting out process for Twist-Off type covers production
    Minimalizacja odpadów technologicznych podczas procesu wykrawania blachy dla wieczek typu Twist-Off
    Autorzy:
    Kończak, S.
    Frąckowiak, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/175843.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    technological wastes
    plastic processing
    waste minimization
    odpady technologiczne
    obróbka plastyczna
    minimalizacja odpadów
    Opis:
    Innovative solutions of waste products minimization in the process of disks of tinned sheet cutting out by plastic working method are described in this article. Influence of various possibilities of allowances minimization in sheet cutting out process for Twist Off covers production have been analyzed in the work. The way cutting off the sheet delivered into the press and the sheet allowances between cut out surfaces have important meaning in the process. New solution of the shear edges shape for the sheet cutting off and blanking tool cutting edges new position making possible of the waste products minimization have been described in the work.
    W artykule przedstawiono innowacyjne rozwiązania minimalizacji odpadów technologicznych podczas wycinania krążków z blachy ocynowanej metodą obróbki plastycznej. Wykonano analizę wpływu różnych sposobów minimalizacji naddatków podczas wykrawania blachy dla wieczek Twist-Off. Istotne znaczenie podczas wycinania blach ma sposób rozkroju blachy dostarczanej do prasy oraz naddatki blachy między wykrawanymi krążkami. Opracowano nowe rozwiązanie kształtu krawędzi nożyc do rozkroju blachy oraz położenie krawędzi tnących wykrojnika, umożliwiające minimalizację odpadów.
    Źródło:
    Advances in Manufacturing Science and Technology; 2017, 41, 1; 57-64
    0137-4478
    Pojawia się w:
    Advances in Manufacturing Science and Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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