Nau'in Fitar Filastik

Akwai bambance-bambance ga tsarin extrusion dangane da irin nau'in extrusion da ake yi.Anan ne kalli nau'ikan extrusion daban-daban, da bambance-bambance daga tsarin asali na kowane.

Sheet Extrusion

Sheet extrusion, wanda kuma aka sani da fim extrusion, ana amfani dashi don yin zanen filastik da fina-finai, kuma gabaɗaya ya bambanta daga tsarin extrusion na asali dangane da tsarin sanyaya.Maimakon yin amfani da wanka na ruwa don kwantar da samfurin da aka gama, ana sanyaya zanen gado ta hanyar ja ta cikin jerin rollers uku zuwa huɗu.Baya ga sanyaya samfurin, ana kuma amfani da rollers don tantance kauri na samfurin ƙarshe.

Blown Fim Fim

Ana amfani da extrusion na fim ɗin da aka yi amfani da shi don yin samfura kamar jakar sayayya ta filastik.Tsarin daidai yake da ainihin tsarin extrusion har zuwa lokacin da guduro ya shiga cikin mutuwa.Mutuwar silinda ce madaidaiciya tare da buɗewa madauwari.Gudun narkar da aka narkar da shi ana jan shi zuwa sama daga mutuwa ta wani bibbiyu na nip sama da mutun.Canza saurin waɗannan rollers na nip zai canza kauri na fim ɗin filastik.A kusa da mutu yana zaune da zoben sanyaya tushen kwararar iska, wanda ke sanyaya samfurin yayin da yake tafiya sama.Ana hura iska a cikin mutuwa, yana faɗaɗa samfurin da aka fitar.Sannan ana iya shafa wannan fim ɗin ko a buga shi, a yanka shi cikin siffa, ko kuma a rufe zafi zuwa wasu samfuran.

Tube Extrusion

Ana amfani da extrusion tubing don yin samfura kamar bambaro ko bututun likita.Tsarin daidai yake da tsarin asali har sai guduro ya kai ga mutuwa.Ana sanya fil (mandrel) a cikin mutu.Ana tura resin da aka narkar da shi a cikin mutu, yana yin kewaye da mandrel.Wannan shi ne yadda aka samar da siffar bututu mai zurfi.Ana amfani da karfin iska don auna kaurin bututun.

Waɗannan kaɗan ne daga cikin hanyoyin da ake amfani da su don fitar da filastik.Babban fa'ida ga duk waɗannan nau'ikan tsarin extrusion na filastik shine cewa suna ba da damar yuwuwar geometric da yawa akan sauran nau'ikan samar da nau'ikan filastik.Bambance-bambance a cikin siffofi da girma dabam waɗanda za a iya samarwa suna da yawa, tare da iyakance kawai shine samfurin dole ne ya sami ci gaba da bayanin martaba.