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Wyszukujesz frazę "Majewski, Łukasz" wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Design of the Optimal Geometry of the Moulded Piece Based on Numerical Analyses in Cadmould 3D-F
Autorzy:
Mańko, Paweł Piotr
Majewski, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/102755.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
injection moulding
filling problems
finite element method
cavity
runners
formowanie wtryskowe
problemy z wypełnianiem
metoda elementów skończonych
wnęka
wlewki
Opis:
The subject of the work was the assessment of the possibility of using Cadmould 3D-F® software based on numerical analysis to design complex injection moulding cavities with plasticised polymer feed channels on the example of an element requiring special dimensional accuracy. The overarching goal of the design process was to create the most advantageous geometry of the injection moulding cavity model and the dedicated material supply channels, which will minimize the effect of problems occurring during injection moulding process, such as processing shrinkage, surface collapse, warpage and mouldings deformation. As an additional criterion, the smallest possible degree of complexity of the designed system was adopted for economical reasons and elimination of subsequent production problems resulting from the complex geometry of the designed mould.
Źródło:
Advances in Science and Technology. Research Journal; 2020, 14, 1; 96-106
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effect of Ageing on Selected Properties of Polylactide Modified with Blowing Agents
Autorzy:
Głogowska, Karolina
Majewski, Łukasz
Garbacz, Tomasz
Tor-Świątek, Aneta
Powiązania:
https://bibliotekanauki.pl/articles/102787.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
injection molding
ageing of polymers
polylactide (PLA)
biodegradable polymers
blowing agents
formowanie wtryskowe
starzenie polimerów
polilaktyd (PLA)
polimery biodegradowalne
środki porotwórcze
Opis:
The modification of processing and functional properties of polymeric materials is widely used in polymer processing. The current progress in this field involves the introduction of new ways of modifying polymers, often by changing their structure from homogeneous to porous. As a result, these polymers have lower density, and thus modified processing and functional properties. The paper presents the results of a study on the selected properties of the injection-molded specimens of polylactide (PLA) modified with blowing agents, before and after thermal ageing. Blowing agents with exothermic (Hydrocerol 530) and endothermic decomposition (Hydrocerol ITP-810, Expancel 951 MB 120 and LyCell F-017) were used. The mass content of the blowing agents was changed in the range from 0.5% to 3%. The study involved examination of the changes in properties such as Young’s modulus, tensile strength, tensile stress, strain at maximum tensile stress, Vicat softening temperature and impact strength depending on the mass content and type of blowing agent before and after the ageing process.
Źródło:
Advances in Science and Technology. Research Journal; 2019, 13, 4; 204-213
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence and optimization of the setting of input parameters of laser profilometry by the surface measurement manufactured by the AWJ technology
Autorzy:
Mitaľ, Gerhard
Gajdoš, Ivan
Ružbarsky, Juraj
Jachowicz, Tomasz
Majewski, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/102196.pdf
Data publikacji:
2018
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
AWJ
laser
measurement
roughness
profilometry
contactless
contact
method
pomiary
chropowatość
profilometria
kontakt
metoda
Opis:
The publication deals with the measurement and evaluation of roughness parameters by means of laser profiling, and its main task is to determine the effect of selecting the internal gain adjustment (Gain mode) on measured roughness values of the surface treated by the water beam technology. The publication details the software, hardware, and other parts of the device designed to measure the roughness of different types of surfaces. It further describes the behavior of individual parts of the apparatus as a whole and methods of measuring the roughness of the surface along a defined profile section by means of the triangulation principle of laser profiling. The measured sample was cut by a thick (rough) cut at pressure of 380 MPa. As an abrasive, the Australian Grenade with the grain Mesh 50 was used.The experiment was carried out at the Faculty of Production Technologies in the Laboratory of Roughness Measurement at the Department of technical systems design and monitoring in Prešov. Measurement of surface roughness parameters was performed on an optical measuring system to control surface parameters and the contact roughness meter Mitutyo SJ400.
Źródło:
Advances in Science and Technology. Research Journal; 2018, 12, 1; 329-337
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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