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Vodno-hidravlični trajnostni test natisnjenega proporcionalnega potnega ventila
ID Cizl, Primož (Author), ID Majdič, Franc (Mentor) More about this mentor... This link opens in a new window

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Abstract
Hidravlični mediji fosilnega izvora kljub svojim dobrim protikorozijskim in protiobrabnim lastnostim predstavljajo preveliko okoljsko breme. Voda se zato zdi hidravlična kapljevina prihodnosti, zaradi pomanjkanja interesa ter posebne opreme pa ostaja neizkoriščena. Preizkusili smo trajnostno obnašanje proporcionalnega potnega ventila, izdelanega s tehnologijo tridimenzionalnega tiska, z uporabo vode kot hidravličnega medija. Opazovali smo spreminjanje notranjega puščanja glede na število opravljenih preklopov. Rezultate meritev je težko pojasniti in so bili zaradi veliko spremenljivk nepredvidljivi. Končna obraba je bila na krmilnem batu jasno vidna. Korozijska erozija predstavlja pri izvajanju trajnostnega preizkusa največji problem.

Language:Slovenian
Keywords:Vodna hidravlika, 3D-tisk, trajnostni preizkus, notranje puščanje, proporcionalni ventil, korozija, obraba
Work type:Final paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Place of publishing:Ljubljana
Publisher:[P. Cizl]
Year:2021
Number of pages:XIV, 31 str.
PID:20.500.12556/RUL-130214 This link opens in a new window
UDC:621.22:621.646.2:004.925.84(043.2)
COBISS.SI-ID:78730499 This link opens in a new window
Publication date in RUL:11.09.2021
Views:776
Downloads:78
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Secondary language

Language:English
Title:Water-hydraulic durability test of printed proportional directional control valve
Abstract:
Hydraulic liquids made from fossil fuels are a major ecological burden, despite their good corrosion and wear properties. Water seems to be the future of hydraulic fluids, but due to lack of interest and specialised equipment, it remains undervalued. We have sustainably tested a proportional directional control valve produced by threedimensional printing, using water as the hydraulic fluid. We observed the change in internal leakage as a function of the number of cycles. The measurement results are unexpected and difficult to explain. The final stage of wear on the spool was clearly visible. Corrosion erosion is the biggest problem in performing the sustainability test.

Keywords:Water hydraulics, 3D print, sustainability test, internal leakage, proportional valve, corrosion, wear

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