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Karakterizacija posredne izdelovalne verige za izdelavo mikromešalnika
Vadnu, Martin (Author), Valentinčič, Joško (Mentor) More about this mentor... This link opens in a new window, Lebar, Andrej (Co-mentor)

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Abstract
Mikroinženirske tehnologije so bistvenega pomena za izdelavo mikroizdelkov. Za masovno proizvodnjo je pomembna kvaliteta in natančnost izdelave orodij, ki jih pri tem uporabimo. Pravilna izbira materialov omogoča, da imajo orodja odlične mehanske lastnosti in so primerne za izdelavo geometrij z dimenzijami manjšimi od 1 mm. V tem delu je predstavljena in opisana izdelovalna veriga za izdelavo mikromešalnika s pomočjo nekonvencionalnih tehnologij. Izdelovalna veriga sestoji iz naslednjih postopkov in tehnologij: rezanje z vodnim curkom (VC) in abrazivnim vodnim curkom (AVC), potopna elektroerozija (EDM) ter ulivanje polidimetilsiloksana (PDMS). Vir največje deviacije je rezanje z VC. Rezanje z AVC je bolj enakomerno, vendar je debelina curka večja. Za našo geometrijo izdelka je natančnost zadovoljiva, odstopanja pa so kljub temu velika.

Language:Slovenian
Keywords:izdelovalna veriga, abrazivni vodni curek, potopna elektroerozija, polidimetilsiloksan, mikromešalnik
Work type:Bachelor thesis/paper (mb11)
Organization:FS - Faculty of Mechanical Engineering
Year:2017
Views:529
Downloads:238
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Secondary language

Language:English
Title:Characterization of indirect process chain for producing micromixer
Abstract:
Microtooling is of great importance for microproduction. For mass production, quality and precision of tools made for this purpose is crucial. Correct choice of materials enables great mechanical properties and dimensions of less than 1 mm. In this work we present production chain for producing micromixer using non conventional technologies. Production chain consists of the following technologies and procedures: cutting with water jet (WJ) and abrasive water jet (AWJ), die-sinking electrical discharge machining (EDM) and casting of polydimethylsiloxane (PDMS). The main source of dimension deviation is cutting with WJ. AWJ leaves less imperfections, but the cut is much wider. We were satisfied with the precision for our selected geometry, but it can be improved greatly.

Keywords:process chain, abrasive water jet, die-sinking EDM, polydimethylsiloxane, micromixer

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