20.500.12556/RUL-103339 Vpliv izdelovalnih parametrov na porušitev polimernega ohišja merilca pretoka vode The effect of manufacturing parameters on the failure of polymeric hausing of water flow meter Menjava kovinskih nosilnih elementov s polimernimi je vse pogostejša v številnih inženirskih aplikacijah. V sklopu diplomskega dela obravnavamo ohišje merilnega inštrumenta, narejenega iz polifenilnega sulfida in steklenih vlaken, ki mora biti odporno na visoke tlake. Cilj naloge je izdelati ohišje, ki bo preneslo čim višje tlačne obremenitve, s spreminjanjem izdelovalnih parametrov injekcijskega brizganja. Pri tem smo se omejili predvsem na vpliv naknadnega tlaka do maksimalno 80 MPa. Vzorci, izdelani pri različnih nadtlakih, so bili testirani do porušitve. Najboljše rezultate smo dobili pri naknadnem tlaku 65 MPa. Replacement of metal load-bearing elements with polymeric ones is nowadays increasingly common in many engineering applications. This thesis deals with a housing of a measuring instrument made out of polyphenyl sulphide and glass fibers, which must be resistant to high pressures. The goal was to make a housing that will hold the maximal pressure load, by changing the process parameters of injection molding. The study was limited to changing the holding pressures up to 80 MPa. Samples of the housings that were prepared at various holding pressures were tested up to destruction. The best results were obtained at a holding pressure of 65 MPa. injekcijsko brizganje ohišje polifenilen sulfid steklena vlakna naknadni tlak injection molding housing polyphenylene sulfide glass fiber holding pressure true false false [Ž. Turkovic] Slovenski jezik Angleški jezik Zaključna naloga 2018-09-16 07:46:06 2018-09-16 07:46:09 2023-11-14 12:09:51 0000-00-00 00:00:00 2018 0 0 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 2020-09-14 620.173.26+678(043.2) 208845 16432667 2566.pdf 2566.pdf 1 7A4B387EF15BAA7F7734AE0DF86A972A 1e51cdfc757c3da4cb270f33e266a136b51075f25aa599ad8c7248aa1e000b35 c7ae0e46-a1b5-11eb-a523-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=113756 Fakulteta za strojništvo 0 0 0