Izboljšanje kakovosti ulitka s pomočjo hidravličnega zgoščevalca taline : diplomska naloga visokošolskega strokovnega študija

Faculty of Mechanical Engineering, Lj. (FSLJ)

Izboljšanje kakovosti ulitka s pomočjo hidravličnega zgoščevalca taline : diplomska naloga visokošolskega strokovnega študija

Mikš, Nejc

Na dvo-gnezdnem livarskem orodju za ulitke iz aluminijeve zlitine je na enem gnezdu med litjem prihajalo do večjih razlik poroznosti ulitka, zaradi česar se je morala v podjetju izvajati draga ... rentgenska kontrola. Za zmanjšanje poroznosti ulitka so se v tlačno orodje vgradili hidravlični zgoščevalec taline in merilna zaznavala za spremljanje tlaka na področju zgoščevanja ulitka in dolivka. Preizkus omenjene dodelave se je izvedel na livarskem stroju, kjer so potekala tudi serijska litja. Pregled ulitkov iz preizkusa je pokazal veliko zmanjšanje poroznosti. Pozitivni rezultati so vodili do prve večje serije litja 3000 ulitkov. Tudi pri tej seriji je bilo s 100-odstotno rentgensko kontrolo ugotovljeno, da v nobenem ulitku poroznost ni presegala dovoljene. Na podlagi tega dejstva draga 100-odstotna rentgenska kontrola ne bo več potrebna oziroma se lahko zmanjša na nekaj ulitkov na izmeno. Ugotovitve so pokazale napredek pri zmanjševanju poroznosti v ulitkih, kar bo lahko v prihodnje dobra iztočnica za izdelavo podobnih orodij.

Type of material - undergraduate thesis ; adult, serious

Publication and manufacture - Ljubljana : [N. Mikš], 2016

Language - slovenian

COBISS.SI-ID - 14694171

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Other authors
Kopač, Janez, 1949- | Šturm, Roman, 1965-

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Call number – location, accession no. ...	Copy status	Reservation
S 0000003322 IN: 30003322 S 3322 IN: 30003322	available - reading room

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Year	Impact factor		Edition		Category		Classification
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Mikš, Nejc
Kopač, Janez, 1949-	06883
Šturm, Roman, 1965-	13026

Source: Personal bibliographies and: SICRIS

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