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Isimiso se I-extruder yesikulufu esisodwa: Ingxenye yesibili ibizwa ngokuthi isigaba sokucindezela. Umthamo womsele wesikulufo uyancipha kancane kancane, futhi izinga lokushisa kumele lifinyelele izinga lokwenziwa kwepulasitiki kwezinto. Ukucindezela kwenzeka lapha kusukela esigabeni sokudlulisa sesithathu, futhi kucindezelwa kube yinye lapha. Lokhu kubizwa ngokuthi isilinganiso sokucindezela sesikulufo - 3:1. Eminye imishini nayo inezinguquko. Izinto ezenziwe ngepulasitiki zingena esigabeni sesithathu.
Isimiso se-single screw extruder: Ingxenye yesithathu yisigaba sokulinganisa. Izinto zigcinwa ekushiseni kokwenza ipulasitiki lapha. Ziletha izinto ezincibilikisiwe ngokunembile nangobuningi njengephampu yokulinganisa ukuze zinikeze idayi. Ngalesi sikhathi, izinga lokushisa alikwazi ukuba ngaphansi kwezinga lokushisa lokwenza ipulasitiki, futhi ngokuvamile liphakeme kancane.
I-extruder ene-screw eyodwa isetshenziswa kakhulu ekukhipheni i-polyvinyl chloride ethambile neqinile, i-polyethylene kanye nezinye ipulasitiki ze-thermoplastic. Isebenzisana nemishini ehambisanayo (kufaka phakathi amakhanda okubumba) ukucubungula imikhiqizo ehlukahlukene yepulasitiki, njengefilimu, amashubhu, amapuleti, amaribhoni, njll., futhi ingasetshenziswa nasekuhlanganiseni.
I-extruder yepulasitiki inomklamo othuthukisiwe, ikhwalithi ephezulu, i-plasticization enhle, ukusetshenziswa kwamandla aphansi, futhi isebenzisa ukudluliselwa kwegiya okungahleliwe. Inezici zomsindo ophansi, ukusebenza okuzinzile, amandla amakhulu okuthwala kanye nokuphila isikhathi eside.
Isicelo se-extruder eyodwa yesikulufo
Ukukhishwa kwamapuleti namashidi: Kufanelekile ukukhishwa kwamaphrofayili namapuleti njenge-PVC, i-PET, i-PS, i-PP, i-PC, njll. Ukukhishwa kwamanye amapulasitiki ahlukahlukene njengezintambo, izinduku, njll.
Ukukhishwa kwamaphrofayili: Ukulungisa ijubane le-extruder nokushintsha isakhiwo sesikulufu se-extrusion kungasetshenziswa ekukhiqizweni kwamaphrofayili epulasitiki ahlukahlukene njenge-PVC nama-polyolefin. Ukukhishwa kwamaphrofayili okuguquliwe: Kusebenza ekuxubeni, ekuguqulweni nasekuthuthukisweni kwama-granulation epulasitiki ahlukahlukene.
I-scruder yesikulufu esisodwa uhlobo lomshini osebenza emgqeni wokukhiqiza i-plastic extrusion. Ukubumba i-extrusion kubizwa nangokuthi i-extrusion ekucubungulweni kwepulasitiki. Ekucubungulweni kwe-extruder okungeyona irabha, ukukhishwa kwesikhunta ngokwaso kusetshenziswa ingcindezi ye-hydraulic kubizwa ngokuthi i-extrusion. Kubhekisela endleleni yokucubungula lapho izinto zidlula khona esenzweni esiphakathi komgqomo we-extruder kanye nesikulufu, kuyilapho zifudunyezwa futhi zifakwa ipulasitiki, bese zisunduzwa phambili yisikulufu, futhi ziqhubeka zidlula ekhanda le-die ukuze zakhe imikhiqizo ehlukahlukene yesigaba noma imikhiqizo eqediwe kancane.
Izinto zokusetshenziswa zingena emgqonyeni zisuka ehopheni, futhi zithuthwa ziye esigabeni sokudla ngesenzo sokungqubuzana nokusika phakathi kodonga lwangaphakathi lomgqomo kanye nobuso besikulufu ngaphansi kwesenzo sokuzungeza kwesikulufu. Lapha, izinto eziqinile ezikhululekile zithuthwa ziye phambili futhi zihlanganiswe ngesikhathi esifanayo. Esigabeni sokucindezela, ukujula komsele wesikulufu kuba kuncane kakhulu futhi kuhlanganiswe ngokwengeziwe. Ngesikhathi esifanayo, izinga lokushisa lezinto liyakhuphuka futhi liqale ukuncibilika ngenxa yokushisa ngaphandle komgqomo kanye nesenzo sokungqubuzana nokusika phakathi kwesikulufu nodonga lwangaphakathi lomgqomo, futhi isigaba sokucindezela siyaphela. Izinto zenziwe zifane esigabeni se-homogenization, futhi ukuncibilika kukhishwa ekushiseni okungaguquki, ubuningi kanye nengcindezi, futhi kwakheka ngemva kokufinyelela ekhanda lokufa, futhi umkhiqizo oqediwe utholakala ngemuva kokubumba.
1. Indlela yokukhipha
Ngokwendlela yokwenza ipulasitiki: ukukhishwa okomile kanye nokukhishwa okumanzi
Ngokwendlela yokucindezela: ukukhishwa okuqhubekayo kanye nokukhishwa okungapheli
2. Izici: ukukhiqizwa okuqhubekayo, ukusebenza kahle okuphezulu, ukusebenza okulula, uhla olubanzi lwezicelo
Okuqukethwe
Njengoba eseneminyaka ecishe ibe ngu-20 embonini yemishini yokukhipha izinto ezihlakaniphile, ubelokhu ephethe izindima ezibalulekile eJwell Machinery, okuhlanganisa noMphathi Jikelele kanye noSihlalo Ojikelezayo. Kusukela ngo-2024, uphathe izinkampani eziningi ezingaphansi kwakhe, eqhuba ukwanda kwebhizinisi kanye nokuthuthukiswa kwezimboni, ngenkathi ehola ukusungula izinto ezintsha ekukhiqizeni izinto ezihlakaniphile kanye nokukhula komhlaba wonke.
