Hanyar Haɓaka Na Faɗar Faɗakarwa na PVC
masana'anta na PVC (Polyvinyl Chloride Stretch Fabric) wani abu ne mai sassauci wanda aka yi da farko daga polyvinyl chloride (PVC) ta hanyar tsari na musamman. Ana amfani da shi sosai a aikace-aikace kamar tanti, kayan talla, riguna, da rumfa. Haɗin sa ya ƙunshi matakai maɓalli da yawa, gami da daidaita ma'aunin albarkatun ƙasa, haɗawa, yin robobi, shimfiɗawa, da aiwatarwa{{2}. Ana buƙatar kulawa mai mahimmanci na sigogin tsari don tabbatar da aikin ƙãre samfurin.
Raw Materials da Pretreatment
Babban albarkatun kasa don masana'anta na PVC shine resin polyvinyl chloride, yawanci dakatarwa ko emulsion PVC tare da matsakaicin nauyin kwayoyin halitta da kwanciyar hankali mai kyau. Don inganta sassauƙansa, juriyar yanayinsa, da kaddarorin sarrafawa, ana ƙara abubuwa daban-daban, gami da na'urorin filastik (kamar phthalates), masu daidaitawa (kamar calcium -waɗanda suka haɗa da sinadarin zinc), man shafawa (kamar stearic acid), masu filaye (kamar calcium carbonate), da masu daidaita UV. Dole ne a haɗe waɗannan abubuwan daɗaɗɗen su sosai tare da guduro na PVC a ƙayyadaddun rabbai don tabbatar da tarwatsa iri ɗaya.
Cakuda da Filastik
Haɗin kayan ɗanyen abu mataki ne mai mahimmanci a cikin haɗin masana'anta na PVC mai shimfiɗa. Da farko, ana sanya resin PVC da ƙari daban-daban a cikin babban mahaɗar sauri bisa ga ƙayyadaddun rabo. Ana motsa cakuda a 80-120 digiri na mintuna 10-20 don ba da damar filastik don shiga cikin ɓangarori na PVC kuma ya samar da gauraya busasshiyar iri ɗaya. Busassun gauraya sai ya shiga mahaɗar ciki ko tagwaye extruder don yin filastik. Heat da shear narke PVC cikin narke iri ɗaya. Yawan zafin jiki na filastik ana sarrafa shi tsakanin digiri 160-190. Matsanancin zafin jiki na iya haifar da rugujewar PVC, yayin da ƙananan yanayin zafi na iya shafar ruwa.
Mikewa
Ana iya samar da narkewar PVC mai filastik a cikin masana'anta ta hanyar yin amfani da calending ko gyare-gyaren busa. Kalanda ya haɗa da danna narke ta hanyar calender da yawa a cikin wani siririn fim, wanda sai a lika shi zuwa wani abu mai tushe (kamar saƙa ko wanda ba{2}) kuma a sanyaya don samar da masana'anta. Mikewa mataki ne mai mahimmanci don haɓaka sassauci da ductility na masana'anta na PVC mai shimfiɗa. Tushen masana'anta yawanci yana shimfiɗa a tsayi ko kuma a juye a ƙarƙashin dumama (digiri 80{8}}120), yawanci ta sau 2-3. Bayan shimfiɗawa, kayan yana ɗaukar tsarin saiti mai zafi don gyara yanayin sarkar kwayoyin halitta da hana raguwa.
Buga{0}}Aiki da Inganta Ayyuka
Kayan shimfiɗar shimfiɗa na PVC da aka gama yana yin sanyaya, iska, da jiyya a saman (kamar shafa tare da wakili na saki ko bugu). Don haɓaka juriya na yanayi, wasu samfuran ana lulluɓe da suttura kamar acrylic ko polyurethane. Bugu da ƙari, ƙaƙƙarfan gwajin inganci (kamar ƙarfin ɗaure, ƙarfin hawaye, da gwajin juriya) yana tabbatar da cewa samfurin ya cika ƙa'idodin aikace-aikace.
Hanyar haɗakar masana'anta ta shimfiɗar PVC ta sami babban abin aiki mai girma{0}wanda ya haɗu da sassauci, juriya na ruwa, da dorewa ta hanyar sarrafa daidaitaccen rabon albarkatun ƙasa, sarrafa zafin jiki, da aikin injina, a ƙarshe yana saduwa da buƙatun masana'antu iri-iri.