diplomsko delo Visokošolskega strokovnega študijskega programa I. stopnje Strojništvo - Projektno aplikativni program
Drejc Čibej (Author), Franc Majdič (Mentor)

Abstract

Dušilke s konstantnim presekom se pogosto uporabljajo v hidravličnih ventilih, saj so pomemben člen pri krmiljenju aktuatorjev. Dušilke je potrebno zavarovati proti odvitju, kar se je do sedaj izvajalo z lepljenjem. Cilj diplomske naloge je bil najti ustreznejšo alternativo varovanja dušilk proti odvitju, da bi bila montaža dušilk enostavnejša, hitrejša in bolj ponovljiva. Zasnovali smo udarna orodja, preizkusili kombinacijo različnih navojev in poškodbo navojev ter preizkusili točkovno varjenje dušilk. Z merilnikom navora smo merili razlike momentov odvitja od momenta privitja alternativnih načinov varovanja. Rezultate smo analizirali, primerjali z lepljenjem in presodili, da je najboljši način varovanja orodje s šest kotno konico. To orodje bomo implementirali v montažni proces. Podali pa smo tudi predloge za nadaljnje delo in možnosti izboljšav.

Keywords

diplomske naloge;hidravlika;dušilka;varovanje proti odvitju;uporovno točkovno varjenje;merjenje momenta;montažni proces;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FS - Faculty of Mechanical Engineering
Publisher: [D. Čibej]
UDC: 621.22:621.646.2:62-225.2(043.2)
COBISS: 185092099 Link will open in a new window
Views: 65
Downloads: 14
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Other data

Secondary language: English
Secondary title: Protecting throttles against self-loosening
Secondary abstract: Throttles are often used in hydraulic valves as they are an important link in the actuator control. Throttles need to be protected against self-loosening, which was previously done by gluing. The aim of the thesis was to find a more suitable alternative to protect the throttles against self-loosening in order to make the assembly of throttles easier, faster and more repeatable. We designed impact tools, tested the combination of different threads and thread damage and trialled the spot welding of throttles. Using a torque metre, we measured the differences in the unwinding torques from the torques of tightening of alternative methods of protection. We analysed the results, compared them with gluing and came to the conclusion that a tool with a six-angled tip is the best protection method. We will integrate this tool into the assembly process. We also made suggestions for further work and possible improvements.
Secondary keywords: hydraulics;throttle;protection against self-loosening;resistance spot welding;torque measurement;assembly process;
Type (COBISS): Bachelor thesis/paper
Study programme: 0
Embargo end date (OpenAIRE): 1970-01-01
Thesis comment: Univ. v Ljubljani, Fak. za strojništvo
Pages: XX, 46 str.
ID: 22778483
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