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Wyszukujesz frazę "Faisal, Muhammad" wg kryterium: Wszystkie pola


Wyświetlanie 1-2 z 2
Tytuł:
Effects of forming tools and process parameters on surface roughness in incremental sheet forming
Autorzy:
Khalil, Umair
Aziz, Muhammad Haris
Jahanzaib, Mirza
Ahmad, Wasim
Hussain, Salman
Hafeez, Faisal
Powiązania:
https://bibliotekanauki.pl/articles/103319.pdf
Data publikacji:
2018
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
ISF
quantitative survey
forming tool
forming parameters
surface roughness
badanie ilościowe
narzędzia do formowania
chropowatość powierzchni
Opis:
Literature has vastly advocated for incremental sheet forming as a significant process for formation of sheet metal components, because of its higher formability in comparison with the rest of metal forming processes such as deep drawing and stamping. Due to high formability of incremental sheet forming it becomes important to investigate the main factors, influencing the quality of forming products. However, less attention has been given to investigate the inconsistencies reflected often in determining the effect of multiple forming parameters and parametric interactions comprising of spindle rotational speed and feed rate, tool size and sheet thickness, sheet thickness and step depth. This study investigates the effect of various principal factors including tool type, tool size, sheet thickness, spindle speed, feed rate, step increment including and their respective interaction on surface roughness. Research data was collected by undertaking extensive literature review of previous studies on incremental sheet forming regarding surface quality. A quantitative one way analysis of variance (ANOVA) was employed to analyze the significance and contribution of factors influencing surface quality of sheet forming. The findings highlight the contribution of forming parameters and their combined interactions on surface roughness. Based on the empirical findings, this study derives implications for the optimization of tool type, parametric interactions among principal factors and their respective optimized operational range for incremental sheet forming.
Źródło:
Advances in Science and Technology. Research Journal; 2018, 12, 3; 75-95
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Distilled Water and Kerosene as Dielectrics on Machining Rate and Surface Morphology of Al-6061 During Electricdischarge Machining
Autorzy:
Arshad, Rubab
Mehmood, Shahid
Shah, Masood
Imran, Muhammad
Qayyum, Faisal
Powiązania:
https://bibliotekanauki.pl/articles/102557.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
aluminium alloy 6061 T6
dielectric
electric discharge machining
electrode
surface morphology
stop aluminium 6061 T6
dielektryk
obróbka elektroerozyjna
elektroda
morfologia powierzchni
Opis:
Electric Discharge Machining (EDM) is widely used for manufacturing complex metal parts. The machining parameters like dielectric fluid, electrode material, current, voltage and pulse rate during EDM are controlled to obtain desired Material Removal Rate (MRR) and it also affects the surface morphology of manufactured components. In this research, effect of changing machining parameters, dielectric fluid (distilled water and kerosene) and electrode materials (copper and graphite) on surface morphology of Al 6061 T6 alloy during EDM is investigated. It is observed that the distilled water reacts with the molten aluminum and produces deep pits / voids on the surface due to liberation of hydrogen gas. A micro crack network is seen radiating from the edge of these pits. It is believed that the very high thermal conductivity of distilled water is responsible for the micro crack network and reduced material removal rate when compared with non-reactive kerosene oil.
Źródło:
Advances in Science and Technology. Research Journal; 2019, 13, 3; 162-169
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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