I-PVC Flexible Banner Production Process Analysis
Izibhengezo ze-PVC eziguquguqukayo zisetshenziswa kakhulu ekukhangiseni, ekuklanyweni komcimbi, nakweminye imikhakha ngenxa yokuguquguquka okuhle kakhulu, ukumelana nesimo sezulu, kanye nokukhanga okubonakalayo. Inqubo yokukhiqiza ibandakanya izinyathelo eziningi, ezidinga ukulawula okuqinile kokukhethwa kwezinto ezibonakalayo kanye nemingcele yokucubungula ukuze kuqinisekiswe ikhwalithi yomkhiqizo.
Ukulungiswa kwempahla eluhlaza kuyisinyathelo sokuqala ekukhiqizeni. -ikhwalithi ephezulu ye-polyvinyl chloride (PVC) resin yakha i-core substrate. Ama-Plasticizers, ama-stabilizer, nemibala yengezwa ngokusekelwe ekuguquguqukeni okufiselekayo nokuqina kwesibhengezo. Okuqukethwe kwe-plasticizer kuthinta ngokuqondile izakhiwo eziguquguqukayo ze-PVC. Ukwakheka{5}okuvumelana nezimo okuphezulu ngokuvamile kusetshenziselwa ukuqinisekisa ukuthi isibhengezo sihlala siguquguquka futhi simelana nokuqhekeka ngisho nasezimweni-zezinga lokushisa eliphansi. Izithako ezimelana ne-UV{8}}ziphinde zithuthukise ukumelana nesimo sezulu sangaphandle, zivikele ukufiphala nokuguga.
Ukuxuba kanye extrusion kuyizinqubo ezibalulekile. Izinto zokusetshenziswa ezilinganiselwe ngokucophelela zengezwa{1}}kumxube wesivinini esikhulu, lapho zihlakazwa ngokufanayo ngokushisa kanye nokugunda kwemishini. Izinto zibe sezingena ku-twin-screw extruder, lapho incibilikiswa khona futhi yenziwe ipulasitiki emazingeni okushisa aphezulu (cishe i-160-180℃) futhi ikhishwe nge-dide eyisipesheli ibe ifilimu eqhubekayo. Phakathi nalesi sigaba, ukulawulwa okunembile kwezinga lokushisa nesivinini sokudonsa kuyadingeka ukuze kuvinjelwe ukubola kwempahla ngenxa yokushisa ngokweqile noma ukucindezeleka kwangaphakathi okubangelwa ukupholisa ngokweqile.
Ukuphrinta nokunameka kunikeza izakhiwo ezinemifanekiso nezivikelayo kusibhengezo. I-inkjet yedijithali noma ukuphrinta kwesikrini kusetshenziselwa ukudlulisa umklamo endaweni ye-PVC. Uyinki kufanele ube nokunamathela okuhle nokungalunywa. Eminye imikhiqizo imbozwe ngesendlalelo esengeziwe sokuzivikela (njenge-varnish ye-UV) ukuze kuthuthukiswe ukumelana namanzi kanye nokungabambeki kwemihuzuko. Kuzinhlelo zokusebenza ezidinga ukuguquguquka okukhulu, -ukwelashwa kwendawo okune-textured encane kungasetshenziswa ukunciphisa ubungozi bokuqhekeka ngesikhathi sokugoba.
Ukusika nokwakha yizinyathelo zokugcina. Ngokusekelwe ezidingweni zekhasimende, ifilimu ye-PVC ihlukaniswa osayizi abathile bese kushiswa-kucindezelwa noma kubanda-kusikwa ukuze kudalwe imiphetho egobile noma ezinye{3}izakhiwo ezimise okwezifiso. Umkhiqizo oqediwe ungaphansi kokulawulwa kwekhwalithi okuqinile, okuhlanganisa ukuhlolwa kokuvumelana nezimo, ukuhlola ukushesha kombala, nokuqinisekiswa kokubekezelela kobukhulu, ukuze kuqinisekiswe ukuthobelana nezindinganiso zomkhakha.
Ukukhiqizwa kwamabhanela e-PVC aguquguqukayo kuhlanganisa isayensi yezinto ezibonakalayo nobuchwepheshe bokukhiqiza obunembayo. Ngokulungiselela ukwakheka nokucubungula amapharamitha, umphumela uba indawo yokukhangisa ehlanganisa ubuhle, ukuqina, nokuguquguquka.