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Wyświetlanie 1-4 z 4
Tytuł:
On the analysis of chip shaping after finishing turning of Ti6Al4V titanium alloy under dry, wet and MQL conditions
Autorzy:
Leksycki, Kamil
Feldshtein, Eugene
Powiązania:
https://bibliotekanauki.pl/articles/94178.pdf
Data publikacji:
2019
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
chip shape
cooling/lubricating cutting environment
MQL
finish turning
Ti6Al4V alloy
Opis:
The shape and type of chip give general information about the cutting process. This paper presents the results of testing the shape and type of chips of Ti6Al4V titanium alloy after it finishes turning. The process was carried out under dry, wet and MQL (Minimum Quantity Lubrication) conditions at variable cutting speeds and feed rates and a constant depth of cutting. For planning the tests, the PSI (Parameter Space Investigation) method was used, which allows the experiment to be carried out while minimizing the number of experience points. It was found that the cutting speed and feed affect the type and shape of the chip, and clear differences were observed between dry and wet cooling conditions, and MQL conditions. During turning, the intensity of the cutting speed and feed influence on the chip compression ratio was changed. It was similar for dry and wet cooling conditions but smaller for MQL conditions. The purpose of this research is to analyze the chip shaping when Ti6Al4V titanium alloy finishes turning under dry, wet and MQL cooling conditions.
Źródło:
Archives of Mechanical Technology and Materials; 2019, 39; 36-40
2450-9469
Pojawia się w:
Archives of Mechanical Technology and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of the Surface Topography of Ti6Al4V Alloy after the Finish Turning Process under Ecological Conditions
Autorzy:
Maruda, Radosław W.
Leksycki, Kamil
Wojciechowski, Szymon
Feldshtein, Eugene
Łukaszewicz, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2201929.pdf
Data publikacji:
2023
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
dry machining
MQL
MQL method
finish turning
surface topography
Ti6Al4V titanium alloy
Opis:
This paper describes findings in the surface topography of Ti6Al4V alloy after finish turning process under dry and MQL (minimum quantity lubrication) machining. The research was fulfilled in the range of variable feeds per revolution of 0.005-0.25 mm/rev and cutting speeds of 40-100 m/min using the depth of cut of 0.25 mm that fits finish processing conditions. The test plan was developed on the way to use the Parameter Space Investigation (PSI) method. The topography features were measured by a Sensofar S Neox optical profilometer using the Imaging Confocal Microscopy technique. Ra parameters and surface roughness profiles as well as 2D images and contour maps were analyzed. Under the studied machining conditions, lower Ra roughness parameters are obtained in the feed rate of 0.005-0.1 mm/rev and cutting speeds of 40-60 m/min. In comparison with dry machining, up to 17% reduction in Ra parameter values was obtained using the MQL method and vc = 70 m/min and f = 0.127 mm/rev as well as vc = 47.5 m/min and f = 0.22 mm/rev. Depending on the machining conditions, peaks and pits as well as feed marks typical for the turning process are observed on the machined surfaces.
Źródło:
Advances in Science and Technology. Research Journal; 2023, 17, 2; 63--70
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of Hard Oxides Reinforcing of Iron-Based MMCs on the Surface Topography Features after Finish Turning
Autorzy:
Maruda, Radosław
Leksycki, Kamil
Feldshtein, Eugene
Sąsiadek, Eryk
Szczotkarz, Natalia
Odważna, Magdalena
Ochał, Kamil
Gradzik, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2201900.pdf
Data publikacji:
2023
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
metal matrix composites
iron-based metal matrix composites
nanooxide reinforcing
Simplex Lattice Design
SLD
finish turning
3D surface topography
Opis:
Effects of Hard Oxides Reinforcing of Iron-Based MMCs on the Surface Topography Features after Finish Turning
Źródło:
Advances in Science and Technology. Research Journal; 2023, 17, 1; 15--22
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Formation of Surface Topography During Turning of AISI 1045 Steel Considering the Type of Cutting Edge Coating
Autorzy:
Szczotkarz, Natalia
Maruda, Radosław W.
Dębowski, Daniel
Leksycki, Kamil
Wojciechowski, Szymon
Khanna, Navneet
Królczyk, Grzegorz M.
Powiązania:
https://bibliotekanauki.pl/articles/2023489.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
turning
surface topography
dry machining
titanium coating
AISI 1045 steel
toczenie
topografia powierzchni
obróbka na sucho
powłoka tytanowa
stal AISI 1045
Opis:
The paper presents evaluation of the surface topography obtained after turning of AISI 1045 steel with the use of cemented carbide tools diversified in terms of applied titanium-based coatings. During the research, three types of coatings deposited with the PVD method on a P25 sintered carbide insert were compared: nitride-titanium TiN, nitride-aluminum-titanium TiAlN and carbon-titanium TiC in a wide range of variable cutting speeds 125 - 325 m/min and variable feeds 0.05 - 0.25 mm/rev. The quality of the machined surface was assessed on the Sensofar S neox System optical profile meter using the confocal method. The paper presents the results of 3D parameters, contour maps, isometric views and material ratio curves. The surface topography analysis showed that for the TiAlN coated insert, lower surface roughness parameters were observed in the range of lower cutting speeds and higher feeds, while for higher cutting speeds, lower values of the selected 3D parameters were found for the insert with TiC coating. For the insert with TiC coating, the most even distribution of the valleys and ridges of the machined surface roughness was also observed. The research results determined the range of cutting parameters that allow the selection of the appropriate type of titanium-based coating when machining AISI 1045 steel.
Źródło:
Advances in Science and Technology. Research Journal; 2021, 15, 4; 253-266
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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