Tsarin Fitar da polymer - Fitar Filastik

Hanyar extrusion polymer ya haɗa da ɗaukar kayan albarkatun ƙasa da ƙirƙirar samfurin da za'a iya kafawa a cikin bayanin martaba na musamman na tsayi, siffofi da launuka.Bayanan martaba suna da gyare-gyare sosai kuma ana iya yin su daga kusan kowane nau'i na roba.Akwai matakai guda biyu don extrusion roba;ci gaba da maganin cikin-layi da kuma maganin waje.

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Ci gaba da maganin extrusion na cikin layi:

• * A cikin wannan tsari, robar mai zafi yana motsawa ta hanyar mutuwa a cikin rafi mai kama da tafiya ta hanyar 'ramin warkewa' wanda ke ɗaga samfurin zuwa yanayin zafin da ya dace kuma yana kula da zafin jiki har sai an gama aikin warkewa.Akwai hanyoyi da yawa waɗanda za a iya amfani da su don samar da 'ramin warkewa' ciki har da;iskar zafi mai ƙarfi, tanda microwave, ruwan zafi mai warkewa matsakaici (LCM) ko gadon ruwa na gilashin Ballotini beads.Ana la'akari da tsayin rami tare da sauri don ƙididdige yawan zafin jiki a cikin tsarin vulcanizing.Yayin da robar da aka warke ta fita daga cikin rami an motsa shi zuwa tashar sanyaya inda ake sanyaya robar kuma ana cire ragowar.Gudun da samfurin ke tafiya ta tashar sanyaya yana sauƙaƙe ta mai jan hankali a ƙarshen layin don kiyaye kwanciyar hankali gabaɗaya.
• *Abũbuwan amfãni: ikon samar da tsayin da ba a karye ba, haɓaka saurin masana'antu, ƙarancin aiki, da ingantaccen amfani da makamashi da sarari.Wannan tsari kuma yana ba da damar haɗuwa da abubuwa da yawa. Wannan tsari yana da wasu iyakoki.Yawanci farashin albarkatun kasa ya fi girma, kuma za'a iya samun girman girman da siffa.

Maganin extrusion na waje:

• A wannan yanayin, ana amfani da autoclaves a matsayin hanyar warkewa.Ana kora robar dumi ta cikin mutuwa sannan kuma a fallasa shi zuwa tururi mai tsananin ƙarfi don a cimma yanayin zafin da ya dace.Ana kiyaye zafin jiki har sai da sinadaran sun cika.Kafin a fara aikin warkewar wanda ba a warke ba, mai sifar bututu, ana adana samfur ɗin akan maɗaura don tilastawa roba don kiyaye siffa ta musamman yayin aikin warkewa.

Tsarin Fitar Filastik

Filastik extrusion tsari ne na jujjuya kayan filastik daga m zuwa jahohin ruwa da sake gyara su azaman abubuwan da aka gama.Na farko, pellet ɗin robobi suna ciyar da nauyi daga hopper zuwa dunƙule jaket.Yayin da dunƙulewar ke juya axis ɗinsa, yana jigilar, yana narkewa, yana matsawa robobin.Daga can, kayan da aka narkar da su ana tilasta su ta hanyar mutuwa wanda ke siffata shi zuwa wani yanki da aka kayyade, yana samar da sassa masu yuwuwar tsayin tsayi.Lokacin extrusion, robobi suna canzawa daga ƙarfi zuwa ruwa kuma suna sake dawowa ba tare da sadaukar da ƙayyadaddun kayansu ba.A sakamakon haka, sassan datti za su iya zama ƙasa kuma a sake fitar da su tare da ƙarancin lalacewa, yin extrusion ya zama sanannen hanya don rage ko sake yin amfani da sharar filastik.