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Wyszukujesz frazę "flanging" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Numerical analysis of three-stage the forming process hollow forgings with an outer flange
Autorzy:
Wójcik, Łukasz
Bulzak, Tomasz
Winiarski, Grzegorz
Szala, Mirosław
Powiązania:
https://bibliotekanauki.pl/articles/135267.pdf
Data publikacji:
2020
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
forging
extrusion
radial forging
hollow part
stepped shaft
flanging
Opis:
This article presents the results of computer simulations used to investigate the forming of a hollow coldworked forging with an outer flange. Numerical simulations were performed in Deform 2D/3D using a calculation module for axial-symmetric cases. A ϕ57×12.5 mm tube-shaped billet from 42CrMo4 grade steel was used. The forming process involved two and three stages, consisting of extrusion the shaft portion and forging the flange. The objective of this research was to determine the accuracy of the forming process used to produce the hollow part. This technology was analyzed using the effective strain distributions, the Cockcroft-Latham fracture criterion values, and the forming force progression. The results showed that it was possible to use this three-stage process to forge elements from a tube-shaped billet.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2020, 62 (134); 142-147
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical Analysis of a Six Stage Forging Process for Producing Hollow Flanged Parts from Tubular Blanks
Autorzy:
Winiarski, Grzegorz
Bulzak, Tomasz Adam
Wójcik, Łukasz
Szala, Mirosław
Powiązania:
https://bibliotekanauki.pl/articles/101985.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
flanging
extrusion
hollow parts
stepped shaft
kołnierzowanie
wytłaczanie
części drążone
wał stopniowany
Opis:
This paper presents the results of a numerical analysis of a cold forging process for a hollow flanged part. The analysis was performed using Deform 2D/3D. 42CrMo4 steel tubes were used as the billet material, and their material model in the annealed state was described by a constitutive equation. The forming process was performed in six stages with the use of methods such as extrusion with a movable sleeve, open-die extrusion, and upsetting. The objective of the study was to determine whether the proposed forging technique could be used to produce hollow parts with flanges. The determination was made based on the analysis of product geometry quality and process parameters, including the Cockcroft-Latham ductile fracture criterion and forming forces.
Źródło:
Advances in Science and Technology. Research Journal; 2020, 14, 1; 201-208
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A New Method of Flanges Extrusion in Hollow Products – Analysis of the Limiting Phenomena
Autorzy:
Winiarski, Grzegorz
Bulzak, Tomasz Adam
Wójcik, Łukasz
Szala, Mirosław
Powiązania:
https://bibliotekanauki.pl/articles/103394.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
extrusion
flanging
hollow parts
cold metal forming
odrzucenie
kołnierz
puste części
formowanie metali na zimno
Opis:
The paper presents an innovative method of metal forming of hollow flanged elements. In this process, flanges are formed using a movable sleeve, which moves in the opposite direction to the punch. The movement of the sleeve causes a closed impression to open, due to which the flange is also formed in a semi-free impression. The tube billets were made of the 42CrMo4 grade steel deformed under the cold metal forming conditions. The calculations were conducted using the finite elements method in Deform-2D/3D. Various technological parameters of the process were analysed, among others the diameter of the flange and the initial height of the impression of the movable sleeve. On the basis of the obtained results, the limiting phenomena of the process were determined and the influence of the analysed technological parameters on these phenomena were presented.
Źródło:
Advances in Science and Technology. Research Journal; 2020, 14, 4; 78-85
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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