Prehliadanie Technológ - Ročník 15.; Číslo 2/2023 podľa názvu

Zobrazujú sa záznamy 1-20 z 25

    • Disperzne spevnené materiály 

      Kantoríková, Elena (Žilinská univerzita v Žiline, 2023)
      Dispersion reinforced systems are composites with a matrix reinforced with a dispersive discontinuous phase. They are mainly produced by powder metallurgy technologies. Dispersion-strengthened materials have a polycrystalline ...

    • Dištančné vzdelávanie v technike 

      Stančeková, Dana (Žilinská univerzita v Žiline, 2023)
      In connection with the current situation of distance education, a project was implemented within the operational program Interreg V-A Slovak Republic - Czech Republic 2014-2020 to develop knowledge outside the teaching ...

    • Experimentálna analýza tribologických vlastností povrchov konštrukčných materiálov 

      Bronček, Jozef; Vicen, Martin; Radek, Norbert; Bulko, Tomáš (Žilinská univerzita v Žiline, 2023)
      The presented article deals with the tribological properties of the surfaces of structural materials. Comparing the results of experimental measurements of three different surfaces (chrome steel 100CrMnMoSi8-4- 6, ...

    • Hodnotenie tribologických vlastností DLC povlakov vybraných tribologických dvojíc 

      Čuchor, Matúš; Ondriga, Jozef (Žilinská univerzita v Žiline, 2023)
      DLC coatings have several characteristics that have industrial applications. Principal advantages include a low coefficient of friction, hardness, abrasion resistance, and corrosion resistance. Coatings are evaluated ...

    • Hodnotenie vplyvu technologických parametrov na mikroštrutúru vysokotlakových odliatkov 

      Medňanský, Martin; Brůna, Marek; Matejka, Marek (Žilinská univerzita v Žiline, 2023)
      A number of technological parameters influence the mechanical properties of a high pressure die casting. The aim of the presented paper was to perform microstructural analysis of AlSi9Cu3(Fe) alloy casting fabricated ...

    • Industry 4.0 in manufacturing enterprises 

      Biňasová, Vladimíra; Bubeník, Peter; Rakyta, Miroslav; Kasajová, Marta; Štaffenová, Katarína (Žilinská univerzita v Žiline, 2023)
      The paper deals with the analysis the options available to companies for improving the production enterprises as part of the transformation to Industry 4.0. Digital transformation involves the integration of digital ...

    • Koncepcia, bezpečnosť a súvisiaci priemyselný výskum náhrady dieselového pohonu za pohon s vodíkovým palivovým článkom v diesel motorových jednotkách radu 861 

      Šťastniak, Pavol; Gerlici, Juraj; Cesnek, Dušan; Golian, Peter (Žilinská univerzita v Žiline, 2023)
      The subject of the research is the development of a technical feasibility study that will deal with the concept, safety and related industrial research for the replacement of diesel traction by hydrogen fuel cell traction ...

    • Konštrukcia strižného nástroja pre pristrihovanie činných plôch 

      Melo, Borislav; Dostál, Robert (Žilinská univerzita v Žiline, 2023)
      Cutting technology is one of the basic and supporting methods, preferably of dividing materials. The preparation of material for further processing cannot be imagined without the use of cutting technology. The text of ...

    • Konštrukčný návrh mechanizmu skrutkového manipulátora turniketu sypkých materiálov 

      Molnár, Denis; Blatnický, Miroslav; Dižo, Ján; Ishchuk, Vadym (Žilinská univerzita v Žiline, 2023)
      The article is the next step in the ongoing research regarding the incorporation of the proposed bulk material turnstile assembly into an existing production line serving the food industry for bagging powdered milk. The ...

    • Návrh elektrického mechanizmu otáčania výložníka stĺpového žeriava pre manipuláciu s kalovými čerpadlami 

      Blatnický, Miroslav; Dižo, Ján; Molnár, Denis; Ishchuk, Vadym (Žilinská univerzita v Žiline, 2023)
      The article is a continuation of the issue of the technical solution of the hinge for handling sludge pumps in the Jaslovské Bohunice nuclear power plant. The main goal is the design of the electric jib rotating mechanism. ...

    • Optimálny návrh výroby neštandardného ozubeného súkolesia 

      Maláková, Silvia; Sivák, Samuel (Žilinská univerzita v Žiline, 2023)
      Gears are among the most widely used transmission mechanisms, and the gear wheel has become a symbol of mechanical engineering. In operation, high demands are placed on the function of the gears. To achieve them, the ...

    • Oxidické vrstvy a bifilmy v odliatkoch hliníkových zliatin 

      Galčík, Marek; Brůna, Marek (Žilinská univerzita v Žiline, 2023)
      Surface of aluminium alloy melt is covered by an oxide layer when it is in contact with the surrounding atmosphere. When the oxide layer is retained on the surface of the melt it prevents the melt by hydrogen saturation. ...

    • Porovnanie deformačných charakteristík vysokopevných ocelí používaných v automotive 

      Evin, Emil; Tomáš, Miroslav; Kokarda, Vladimír; Kulya, Juliy Martyn (Žilinská univerzita v Žiline, 2023)
      The goal of the research was to compare the deformation properties such as absorption capacity, resistance to deformation, stiffness of high-strength steels with the properties of microalloyed steel based on the results ...

    • Porovnanie geometrickej presnosti obrobkov po tvrdom frézovaní a brúsení 

      Čilliková, Mária; Mičietová, Anna; Neslušan, Miroslav (Žilinská univerzita v Žiline, 2023)
      This paper deals with surface integrity after hard milling of bearing steel 100Cr6. Surface integrity is expressed in terms of shape deviation as well as Barkhausen noise emission. Furthermore, components of cutting ...

    • Programmable model of an automated warehouse 

      Biňasová, Vladimíra; Bubeník, Peter; Rakyta, Miroslav; Kasajová, Marta; Štaffenová, Katarína (Žilinská univerzita v Žiline, 2023)
      The paper deals with the multifunctional kit is a robust training model that simulates and demonstrates warehouse automation in the world's most advanced enterprises. Programming takes place in the Siemens TIA Portal ...

    • Rovnanie plechu bodovým ohrevom 

      Moravec, Ján (Žilinská univerzita v Žiline, 2023)
      The contribution is devoted to the issue of material alignment. The theoretical description and essence of straightening by local heating is presented. Mechanical methods of leveling the material are also covered. In ...

    • Skúmanie jazdných vlastností koľajového vozidla a vzájomného pôsobenia kontaktu koleso/koľajnica pomocou simulačných výpočtov 

      Šťastniak, Pavol; Gerlici, Juraj; Dižo, Ján; Blatnický, Miroslav; Kravchenko, Kateryna (Žilinská univerzita v Žiline, 2023)
      The paper deals with the dynamic analysis and evaluation of the driving characteristics of the selected railway vehicle through computer simulations on virtual and mathematical models. Approaches and methodology from ...

    • Stanovenie únavovej pevnosti zvarových spojov ocele S960MC zváraných laserovým lúčom 

      Frátrik, Martin; Mičian, Miloš (Žilinská univerzita v Žiline, 2023)
      The work deals with determining the fatigue strength of butt-welded joints of S960MC steel. The fatigue strength of two versions of laser beam welded joints as well as the base material was assessed. To reduce the notch ...

    • Stanovenie úspory energetických nákladov na pohon vlaku znížením jazdného odporu 

      Panchenko, Sergii; Gerlici, Juraj; Lovska, Alyona; Ravlyuk, Vasyl; Dižo, Ján (Žilinská univerzita v Žiline, 2023)
      Examining the mechanical part of the braking systems of railway vehicles allowed us to find out that the brake blocks of the most freight cars are pressed by their upper ends against certain wheel surfaces when the ...

    • Stratégia údržby a efektívny výrobný systém 

      Rakyta, Miroslav; Bubeník, Peter (Žilinská univerzita v Žiline, 2023)
      In industrial areas, key maintenance tasks have become an essential part of an organization's overall profitability. Maintenance techniques currently have the ability to significantly increase an organization's competitive ...