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Title:Testiranje tkanin po kakovostnih parametrih, definiranih s strani podjetij UNI&FORMA d.o.o. in OVERALL d.o.o. za potrebe javnih razpisov MNZ in MORS-A
Authors:ID Črepnjak, Ingrid (Author)
ID Stupan, Mateja (Author)
ID Šauperl, Olivera (Mentor) More about this mentor... New window
ID Volmajer Valh, Julija (Comentor)
Files:.pdf VS_Stupan_Mateja_2014.pdf (2,88 MB)
MD5: 24CC9C4A54BE1CAD6A92B6E83CC59592
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Različne državne institucije se pri izbiri tekstilnih materialov za lastne potrebe v glavnem opirajo na tako imenovana javna naročila, kjer se med drugim kot pomembnejše merilo za izbiro oblačil predvideva tudi izpolnjevanje zahtev izbranih tehničnih parametrov, zapisanih v tehnični specifikaciji. Za čim bolj objektivno presojo glede kakovosti ponujenih materialov ali izdelkov imajo pomembno vlogo tudi tako imenovani neodvisni testni laboratoriji, ki na osnovi standardiziranih metod opravljajo testiranja ponujenih tekstilnih materialov skladno z definiranimi parametri. Vsebina tehnične specifikacije oziroma parametri navedeni v njej dejansko predstavljajo lastnosti materiala, ki jih naročnik pričakuje in so v glavnem zapisani v obliki številčnih vrednosti s pripadajočimi dovoljenimi tolerancami. Te številke niso nikoli natančen posnetek lastnosti želenega materiala, ampak le njihov približek predvsem zaradi kompleksnosti tekstilnih materialov, katerih lastnosti niso konstantne po vsem delu tega istega materiala. Na lastnosti tekstilnega materiala vpliva namreč množica dejavnikov, ki izhajajo iz izvora in pogojev rasti naravnih vlaken (npr. bombaž, volna); (pri sintetičnih vlaknih je možno lastnosti relativno dobro usmerjati) ter neizogibnih variacij v procesu proizvodnje tekstilnega materiala, kar pomeni, da ima isti material na svojih različnih delih lahko npr. različne sorpcijske sposobnosti, različne mehanske lastnosti, itd. in je zato potrebno predvideti, da tekstilni material na vseh svojih delih ne bo izkazoval istih karakteristik, ker je to praktično nemogoče. Zato moramo vsak tekstilni material meriti na številnih in čim bolj različnih delih, kar je jasno definirano s standardi. Iz prakse izhaja, da nek naročnik običajno priloži le majhen del (cca 1,5 m) iz relativno dolge «metraže« izdelanega tekstilnega materiala, kar se pogosto izkaže za zelo neugodno. Pričujoče diplomsko delo je usmerjeno v preskušanje tekstilnih materialov za izdelavo uniform za podjetji UNI&FORMA d.o.o. iz Trzina in Overall d.o.o. iz Ljubljane z namenom presoditi skladnost posameznih parametrov na, po navedbah proizvajalca, istih vzorcih (vzorcih, izdelanih po identičnem tehnološkem postopku in uporabo identičnih barvil, pomožnih sredstev, apretur, itd.), odvzetih iz različnih bal, ter na ta način oceniti sipanje rezultatov na teh tkaninah, ki se smatrajo za iste.
Keywords:Laboratorijsko preskušanje, tkanine, uniforma, tehnična specifikacija, mehansko-kemijske lastnosti.
Place of publishing:Maribor
Publisher:[I. Črepnjak in M. Stupan]
Year of publishing:2014
PID:20.500.12556/DKUM-45567 New window
UDC:677.074.017:687.152(043.2)
COBISS.SI-ID:18319638 New window
NUK URN:URN:SI:UM:DK:JUZYL1Y1
Publication date in DKUM:15.10.2014
Views:2142
Downloads:300
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Secondary language

Language:English
Title:Testing of fabrics according to the quality parameters defined by companies UNI&FORMA d.o.o. and OVERALL d.o.o. for public tender use for MNZ and MORS
Abstract:Various state institutions in the selection of textile materials for their own use mainly rely on so-called public procurement, where, inter alia, as a major criterion for the selection of clothing a compliance of selected technical parameters with the requirements prescribed in the technical specification is chosen. In order to perform as much as possible objective assessment regarding the quality of the materials or products, an important role plays so-called independent test laboratories which by exploring standardized methods perform testing of textile materials in accordance with defined parameters. The content of the technical specification i.e. parameters actually represents the properties of the material expecting by the client, and are generally written in the form of numerical values associated with the permitted tolerances. These numbers are never exact replica of desired properties of the material, but only their proxy, mainly due to the complexity of textile materials whose properties are not constant throughout same material. The properties of textile material depend on multitude factors arising from the origin, and conditions of natural fibers, (e. g. cotton, wool) growth (in the case of synthetic fibers it is possible relatively good to control/to set the properties), and the unavoidable variations in the manufacturing process of the textile material, which means that the same material on its various parts may be different, e. g. different sorption ability, different mechanical properties, etc. and it is therefore necessary to provide that the textile material in all its parts will not show the same characteristics, since this is practically impossible. Therefore, each textile material must be measured in its many different parts as possible, which is clearly defined by standards. In practice, a client usually gives only a small piece (about 1.5 m) of a relatively long length of textile material, which often proves to be very unfavorable. Presented work is basing on textile testing for companies UNI&FORMA d.o.o Trzin, and Overall d.o.o. Ljubljana in order to assess a compliance of individual parameters of different pieces of textile fabrics (fabrics produced by identical technological process and the use of identical dyes, auxiliaries, finishes, etc.), taken from different bales, and in this way to assess the scattering of results of these fabrics, which are considered to be the same.
Keywords:Laboratory testing, fabrics, uniform, technical specification, mechanical-chemical properties.


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