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Wyświetlanie 1-3 z 3
Tytuł:
Cutting forces during longitudinal turning process of TI-6AL-4V ELI alloy. Theoretical and experimental values
Autorzy:
Stachurski, W.
Powiązania:
https://bibliotekanauki.pl/articles/95350.pdf
Data publikacji:
2018
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
titanium alloys
turning
cutting force
stopy tytanu
toczenie
siła cięcia
Opis:
In the paper, the experimental investigations related with longitudinal turning of Ti-6Al-4V ELI alloy (Grade 23) typically used in aeronautics industry have been presented. The main goal was to determinate the influence of changes in a selected cutting parameters (vc and f) for total cutting force Fc and its components. In this case, the analysis of the components of cutting force Fc measured during workshop experimental investigations was carried out. Next, the measured values were compared with the values calculated on the basis of formulas available in the literature. This allowed one to state that universal theoretical formulas can also be used to determine the components of the total cutting force F in the longitudinal turning process of Ti-6Al-4V ELI alloy.
Źródło:
Journal of Mechanical and Energy Engineering; 2018, 2, 3; 201-206
2544-0780
2544-1671
Pojawia się w:
Journal of Mechanical and Energy Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of supplying the vegetable oil with minimal quantity lubrication on wear of the hob during hobbing process of the gears
Autorzy:
Stachurski, W.
Powiązania:
https://bibliotekanauki.pl/articles/95305.pdf
Data publikacji:
2017
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
hobbing
minimal quantity lubrication
MQL
cutting fluids
vegetable oil
wear of the hob
cutting force
frezowanie obwiedniowe
smarowanie minimalne
płyn obróbkowy
olej roślinny
siła skrawania
Opis:
In the paper, the experimental investigations on hobbing cutting of the gears with the use of cooling fluids with minimal quantity lubrication (MQL) has been presented. The experiments were prepared during milling of 42CrMo4 alloy steel at of 32 ± 2 HRC hardness using high speed steel HS6-5-2 hobs without coating. Gears have been generated made in one single pass, to the full depth of the cut. As a cooling fluid in the MQL method, the vegetable oil and synthetic mineral oil MICRO 3000 was used. During the experiment, the size of the clamping was measured on the worm blade application surface, thus determining the direct VBC wear indicator and the FC cutting force value was recorded. Based on the obtained results, the influence of the type of used oil with MQL on the wear of the tool was assessed. The carried out analysis revealed that the use of vegetable oil in the field of assessed conditions gave better results than dry milling.
Źródło:
Journal of Mechanical and Energy Engineering; 2017, 1, 1; 31-35
2544-0780
2544-1671
Pojawia się w:
Journal of Mechanical and Energy Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of PIV method to study the speed distribution of oil mist particles in the orthogonal cutting process
Autorzy:
Wójcik, R.
Stachurski, W.
Powiązania:
https://bibliotekanauki.pl/articles/95346.pdf
Data publikacji:
2017
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
orthogonal cutting
MQL
particle image velocimetry
PIV
cutting force
skrawanie ortogonalne
smarowanie minimalne
cyfrowa anemometria obrazowa
siła skrawania
Opis:
The paper presents the use of the PIV method in experimental studies on the speed distribution of oil particles contained in oil mist delivered into a cutting zone with minimum quantity (MQL). During investigations an orthogonal sample was of an aluminum alloy PA7N was machined using HS18-0-1 high-speed steel cutter. The oil mist was delivered into the cutting zone by a single spray nozzle directed at the tool rake surface. Two angular settings of the spray nozzle were applied in relation to the surface of the machined sample. Based on the images obtained by the PIV method, the distribution of the oil particles in the cutting area was determined according to the setting the spray nozzle. Studies have indicated more favorable conditions for the delivery of oil mist at the angle of spray nozzle at 85°. These conclusions were confirmed by measuring the cutting force in tangential direction to the machined surface.
Źródło:
Journal of Mechanical and Energy Engineering; 2017, 1, 1; 51-55
2544-0780
2544-1671
Pojawia się w:
Journal of Mechanical and Energy Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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