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Wyszukujesz frazę "Jabłoński, Paweł" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Analysis and Improvement of an Industrial Process of Hot Die Forging of an Elongated Forging Tipped with a Joggle with the Use of Numerical Simulation Results
Autorzy:
Hawryluk, Marek
Rychlik, Marcin
Polak, Sławomir
Zwierzchowski, Maciej
Dudkiewicz, Łukasz
Marzec, Jan
Jabłoński, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/2201924.pdf
Data publikacji:
2023
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
closed die forging
numerical modelling
yoke type forging
quality of forging
microstructure of forging
Opis:
The article performs an analysis of a hot die forging process of producing an elongated forging ended with a joggle in a double system realized on a crank press Masey 1300 t, in open dies, in 3 operations. The thermomechanical model of the forging process considering the changes in the grain size and the forging material recrystallization was elaborated with the use of the calculation packet Qform 7. In the first place, an in-depth analysis of the currently realized forging technology was made, with a special consideration of the temperature changes in the tools as well as in the formed forging. Next, numerical modelling of the process was carried out, as a result of which the following were obtained: correct filling of the tool impressions by the deformed material, the temperature distributions for the forging and the tools, the plastic deformation distributions (considering the thermally activated phenomena), the changes in the grain size and the forging force courses. The results obtained from FEM enable a thorough analysis of the forging process, including: the effect of the deformation time and temperature on the grain size in the forging material, which was confirmed by the microstructure examination results.
Źródło:
Advances in Science and Technology. Research Journal; 2023, 17, 2; 192--205
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Temperature Measurement of Modern Cutting Tools During Turning
Autorzy:
Grochalski, Karol
Jabłoński, Piotr
Talar, Rafał
Twardowski, Paweł
Wieczorowski, Michał
Jakubek, Bartosz
Rukat, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/103258.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
cutting tools
tool wear
cutting temperature
temperature measurement
thermographic techniques
narzędzia tnące
zużycie narzędzi
temperatura cięcia
pomiar temperatury
technika termograficzna
Opis:
The study presents the influence of the anti-wear coatings and the type of material from which the cutting tools are made of on the cutting temperature occurring on the tool. The cutting tools made of boron nitride and tungsten carbide composite were investigated. The methodology of measuring the cutting temperature using the thermoelement and thermovision techniques was presented. The results of the temperature measurements occurring on the cutting tool in the cutting zone were compared. The paper also presents a method of determining the effective emissivity of the tested tools, necessary for the correct temperature measurement using the non-contact method. The obtained data were interpreted and the relationships described, and then the results obtained were discussed.
Źródło:
Advances in Science and Technology. Research Journal; 2020, 14, 4; 37-48
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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