Temat: abrasive water jet machining - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Tribological aspects of some materials abrasive-water jet cutting
Autorzy:: Holka, H.
Matuszewski, M.
Musiał, J.
Styp-Rekowski, M.
Powiązania:: https://bibliotekanauki.pl/articles/100143.pdf
Data publikacji:: 2012
Wydawca:: Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:: abrasive water jet machining
cutting
roughness parameters
steel
plastics
syenite
Opis:: This article presents results of comparative studies into the roughness (very significant tribological factor) of surfaces cut using the AWJM method. Cutting was performed on samples made of quenched and tampered alloy steel (1.2080), plastic (polyamide PA6) and mineral material (syenite). Variable parameters in the cutting process included: jet pressure and feed. As a result of measurements involving selected roughness parameters (Ra, Rz and Rq), it was discovered that the majority of variable factors had a significant effect on the cut surface roughness. It was also demonstrated that the contact method measurements cannot be performed with regard to plastics because the results are characterised by a very great scatter of results values, making them unreliable.
Źródło:: Journal of Machine Engineering; 2012, 12, 2; 46-52
1895-7595
2391-8071
Pojawia się w:: Journal of Machine Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Investigation on surface roughness and kerf analysis in abrasive water jet machining of silicon carbide
Autorzy:: Hynes, N.R.J.
Asirvatham, A.D.
Sankaranarayanan, R.
Raja, S.
Benita, B.
Atchaya, J.
Powiązania:: https://bibliotekanauki.pl/articles/24200627.pdf
Data publikacji:: 2023
Wydawca:: Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:: ceramic
cutting
abrasive water jet machining
ceramika
cięcie
cięcie strumieniem wodno-ściernym
Opis:: Purpose: Machining silicon carbide (SiC) is challenging due to its brittle and maximum tensile nature. Lapping or laser beam are done with a high cost of manufacturing and low material removal rates. Water abrasive jet cutting is a promising candidate since the machining temperatures and processing force of ceramics are extremely low. Investigation into the abrasive water jet machining of silicon carbide is carried out in the present work. Design/methodology/approach: The variations in traverse speed while abrasive water jet cutting of silicon carbide and its effect on the surface roughness and kerf characteristics are studied. Silicon Carbide abrasive material is used as garnet consisting of 80 mesh. The surface roughness was calculated along with the depth of the cut made during the processing. Findings: The outcomes demonstrated that the traverse speed is more effective upon the surface roughness and is an important factor that damages the top kerf width and the kerf taper angle. Research limitations/implications: Based on the hardness and thickness of the SiC plate, the taper angle is high, and for a feed rate of 10 mm/min, the surface roughness is low. Less thickness of the SiC plate could have a lower taper angle than with high thickness. The erosive force is provided by abrasive material along with the jet stream. Practical implications: Water abrasive fine jet could effectively machinate silicon carbide ceramic material with a better surface finish accurately. Suitable surface roughness with higher productivity can be attained with medium traverse speed. Originality/value: The effect of process parameters on kerf taper angle and top kerf width in the abrasive water jet machining of silicon carbide is explored, considering surface roughness as an important output parameter.
Źródło:: Archives of Materials Science and Engineering; 2023, 120, 1; 30--35
1897-2764
Pojawia się w:: Archives of Materials Science and Engineering
Dostawca treści:: Biblioteka Nauki

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