Učinkovitost rezanja s podhlajenim vodnim curkom : diplomska naloga visokošolskega strokovnega študija
Drešar, Pavel
Rezanje z visokohitrostnim vodnim curkom velja za hladni postopek konturnega rezanja. Ker je postopek učinkovit in prilagodljiv, je tehnologija rezanja z vodo vedno bolj razširjena tudi na področjih, ...kjer sta temperatura vodnega curka in odsotnost vključkov ključna. Ker se del energije curka pri procesu odrezovanja pretvori v toploto, se izkaže, da pri materialih, ki imajo razmeroma nizko temperaturo tališča pride do taljenja v rezalni coni. Pri tem se močno zmanjša kvaliteta reza, kajti pretaljeni material se namreč strdi na spodnjem robu rezalne cone in s tem bistveno poveča srh. Z ohlajevanjem vode pod visokim tlakom pred rezalno šobo naj bi obšli te težave. V delu je bil preverjen vpliv temperature vode, tlaka in hitrost rezanja na učinkovitost treh polimernih materialov, ki imajo različne temperature tališča. Izveden je bil obsežen plan eksperimentov in meritev učinkovitosti in kvalitete reza, z ozirom na srh. Rezultati potrjujejo izhodišča in sicer z ozirom na kvaliteto, medtem ko je z nižanjem temperature vode učinkovitost rezanja nekoliko manjša.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [P. Drešar], 2015
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