EVA / PEVA Cast Film Extrusion Line
*HORDHAC
Khadka ayaa si fiican loogu qaabeeyey inuu soo saaro filimada EVA iyo PEVA ee codsiyada kala duwan.Naqshadaynta ugu wanagsan ee extruder iyo T die waxay dammaanad qaadaysaa extruder-ka waxqabadka sare iyo heerar kala duwan oo astaamo ah iyo otomaatig ah ayaa diyaar ah si loo daboolo baahiyahaaga sida ugu wanaagsan.Xariiqdu waxay isticmaashaa EVA resin (oo ay ku jiraan 30-33% VA) sida alaabta ceeriin si loo soo saaro filimka EVA batteriga qoraxda.Waxa kale oo ay aqbashaa isku-darka agabyada xabagta ee kala duwan sida EVA, LDPE, LLDPE, iyo HDPE si ay isugu geeyaan hantidooda gaarka ah.Mashiinkayaga filimka kabka ah ee filimka EVA / PEVA waxaa si gaar ah loogu talagalay polymer-ka kuleylaha.Nidaaminta filimka EVA iyo filimka PEVA waxay leeyihiin shuruudo aad u kala duwan oo ku saabsan boolal, kanaalada socodka iyo rollers-ka hagaya.Faahfaahin kasta oo ku saabsan mishiinka filimka kabka ah waxay qaataan dhammaan shuruudahaas iyada oo la tixgelinayo tayada ugu fiican.
Ethylene vinyl acetate ama EVA waa copolymer ethylene iyo vinyl acetate.Waa heerkulbeeg heerkulbeeg ah oo aad u jilicsan oo aad u adag oo cad oo aad u fiican oo dhalaalaya oo leh ur yar.EVA waxay leedahay dildilaac fiican iyo iska caabin daloolin, waa mid aan firfircoonayn, si fiican ugu dheggan substrates badan waana kulayl la xidhi karaa taasoo ka dhigaysa isticmaalkeeda codsiyada filimada si gaar ah soo jiidasho leh.
* CODSIGA
Filimka EVA waxa loo isticmaali karaa sidii batteriga cadceedda lagu xidho, ama filim xabag ah oo loogu talagalay dahaadhida dhalada.
Alaabooyinka filimka PEVA waxay leeyihiin codsiyo kala duwan oo loogu talagalay daahyada qubeyska, galoofyada, maro dallada, dharka miiska, jaakada roobka iwm.
Xabagta heerkulbeegga ah waxa lagu koobiyeeyay resins kale sida LDPE iyo LLDPE ama waa qayb ka mid ah filimada lakabka badan.Isku-dhafka iyo kopolymer-yada, boqolleyda EVA waxay u dhexeysaa 2% ilaa 25%.Waxay xoojisaa caddaynta iyo hufnaanta olefins (LDPE/LLDPE) halka boqolkiiba sare ee EVA inta badan loo isticmaalo si loo yareeyo barta dhalaalka.Waxa kale oo ay wanaajisaa waxqabadka heerkulka hooseeya.Guud ahaan, sifooyinka farsamada waxay ku xirnaan doonaan maadada vinyl acetate;Markasta oo ay sare u kacdo boqolkiiba waa, hoose ayaa ah xannibaadda gaasta iyo qoyaanka iyo sida ugu wanaagsan ee caddaynta.
EVA kaliya waa caqabad celcelis ahaan gaaska iyo qoyaanka, taas oo ka dhigaysa mid aan doorasho wanaagsan u ahayn codsiyada baakadaha cuntada, sidaas darteed, waxaa lagu beddelay metallocene PE oo badan oo ka mid ah codsiyadan.mPE waxa kale oo ay bixisaa taakhubka kulul ee degdega ah, waxana ay leedahay sifooyin hoos u dhigma oo wanaagsan, taas oo u ogolaanaysa filimo khafiif ah iyo baakado.Si kastaba ha ahaatee, EVA ayaa weli ah shay baakad oo muhiim ah, baahiduna waxay ahaan doontaa mid xooggan gaar ahaan codsiyada aan cuntada ahayn.
*XOgta Farsamada
| Qaabka No. | Screw Dia. | Baaxadda Dhimashada | Ballaca Filimka | Dhumucda Filimka | Xawaaraha khadka |
| FME120-1900 | ￠120mm | 1900mm | 1600mm | 0.02-0.15mm | 180m/daqiiqo |
| FME135-2300 | ￠135mm | 2300mm | 2000mm | 0.02-0.15mm | 180m/daqiiqo |
| FME150-2800 | ￠150mm | 2800mm | 2500mm | 0.02-0.15mm | 180m/daqiiqo |
Xusuusin: Cabbirrada kale ee mashiinnada ayaa la heli karaa marka la codsado.
*QAAB & FAA'IIDOOYINKA
1) Ballaca filim kasta (ilaa 4000mm) ee macaamiisha la tuuri karo.
2) Kala duwanaansho aad u hooseeya ee dhumucda filimka
3) Goynta cidhifka filimada iyo dib u warshadaynta
4) Daahan in-line extrusion waa ikhtiyaari
5) Winder film Auto leh cabbirka kala duwan ee shafka hawada
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