一, Daabacaadda alaabta baakadaha dabacsan ee cuntada
①Habka daabacaada
Daabacaadda baakadaha dabacsan ee cuntadu waxay u badan tahay daabacaadda gravure iyo daabacaadda flexographic, oo ay ku xigto isticmaalka mashiinka daabacaadda flexographic si loo daabaco filim caag ah (mashiinka daabacaadda flexographic iyo mashiinka isku dhafan ee qallalan inta badan waxay sameeyaan khadka wax soo saarka), laakiin waxaa jira kala duwanaansho badan marka la barbar dhigo daabacaadda guud iyo daabacaadda flexographic ee loo isticmaalo daabacaadda iyo daabacaadda badeecadaha.Tusaale ahaan, daabacaadda baakadaha dabacsan ayaa lagu sameeyaa dusha sare ee substrate-ka duuban.Haddii ay tahay filim hufan, qaabka ayaa laga arki karaa dhabarka, mararka qaarkoodna lakabka rinjiga cad ayaa loo baahan yahay in la daabaco, ama habka daabacaadda gudaha ayaa la isticmaalaa.
②Qeexida habka daabacaadda gudaha
Daabacaadda gudaha waxa loola jeedaa hab daabacaad gaar ah oo isticmaalaya saxanka daabacaadda ee sawirka dambe si loogu wareejiyo khadka dhinaca gudaha ee alaabta daabacaadda hufan, si loo muujiyo sawirka togan ee xagga hore ee shayga daabacan.
③Faa'iidooyinka Hindiya
Marka la barbardhigo alaabada daabacan ee dusha sare, alaabada daabacan ee gudaha waxay leeyihiin faa'iidooyinka dhalaalaya oo qurux badan, midab dhalaalaya / xajin, qoyaan iyo xirashada caabbinta;Daabacaadda gudaha ka dib, lakabka khadku wuxuu ku dhexjiraa laba lakab oo filim ah, kaas oo aan nijaasayn doonin baakadaha.
二, Qalabka baakadaha dabacsan ee cuntada isku jira
①Habka isku dhafan ee qoyan
Lakab ka mid ah xabagta biyaha ku milma ayaa lagu daboolay dusha sare ee walxaha saldhigga ah (filim caag ah, aluminium aluminium), kaas oo lagu daray walxo kale (warqad, cellophane) iyada oo loo marayo rullaluistemadka cadaadiska, ka dibna la qalajiyo filim isku dhafan iyada oo loo marayo kulul. kanaalka qalajinta.Habkani waa mid lagu dabaqi karo baakadaha cuntada qalalan.
②Habka isku dhafan ee qalalan
Marka hore, si siman u dheji koolada dareeraha ku salaysan ee substrate, ka dibna u dir kanaalka qalajinta kulul si aad dareeraha si buuxda u beddesho, ka dibna isla markiiba ku dar lakab kale oo filim ah.Tusaale ahaan, filimka polypropylene ee fidsan (OPP) ayaa guud ahaan lagu daraa maaddooyin kale habka isku dhafan ee qalalan ka dib daabacaadda gudaha.Qaab dhismeedka caadiga ah waa: filimka polypropylene ku jihaysan bixially (BOPP, 12μ m) Aluminium foil (AIU, 9μ m) Iyo filim polypropylene oo si toos ah u fidsan (CPP, 70μ m).Nidaamku waa in si siman loo daboolo nooca dareeraha ah "budada koollada qallalan" ee alaabta saldhigga leh qalab daahan rullaluistemadka ah, ka dibna u dir kanaalka qalajinta kulul si buuxda u beddelo dareeraha, ka dibna ku dar lakab kale oo filim leh. rullaluistemadka isku dhafan.
③Habka isku-dhafan ee ka-baxsan
Daahyada la shubay ee la dhalaaliyay ee laga soo saaray jeexjeexa T caaryada ayaa lagu cadaadiyaa rullaluistemadka oo lagu dul candhuufo warqadda ama filimka loogu talagalay daahan polyetylen, ama filimo kale ayaa laga keenay qaybta labaad ee quudinta warqadda, iyo polyetylenku wuxuu ku xidhan yahay sida a lakabka isku xidhka.
④Habka isku dhafan ee kulul-dhalaalaya
Polyethylene-acrylate copolymer, vinyl acid-etylene copolymer iyo paraffin ayaa la kululeeyaa oo la wada dhalaaliya, ka dibna lagu dahaadhay alaabta saldhigga ah, isla markiiba lagu daro walxo kale oo isku dhafan ka dibna la qaboojiyo.
⑤Habka isku dhafan extrusion lakabka badan
Noocyo kala duwan oo caag ah oo leh sifooyin kala duwan ayaa lagu tuujiyaa caaryada iyada oo loo marayo meelo badan oo dibadda ah si ay u sameeyaan filim isku dhafan.Habkani ma isticmaalo xabagta iyo dareerayaasha organic u dhexeeya lakabyada.Filimku ma laha ur gaar ah mana laha wax dareere ah oo gala.Waxay ku habboon tahay baakadaha cuntada oo leh nolol shelf dheer.Tusaale ahaan, qaabka guud ee LLDPE/PP/LLDPE wuxuu leeyahay daahfurnaan wanaagsan, dhumucduna guud ahaan waa 50-60μ m.Haddii nolosha shelf ay dheer tahay, waxaa lagama maarmaan ah in la isticmaalo wax ka badan shan lakab oo ah filim xannibaad sare leh, lakabka dhexena waa walxaha xannibaadda sare ee PA, PET iyo EVOH.
Waqtiga boostada: Mar-07-2023
