I-screw barrel eyodwa idlala indima ebalulekile ku-plastic extrusion, lapho ukusebenza kwempahla kuthinta ngokuqondile ukukhiqiza kanye nekhwalithi yomkhiqizo. Ngo-2025, izinto ezintathu ezivelele—I-Material A, Material B, kanye ne-Material C—izobusa imakethe. Lezi zinto ezisetshenziswayo zihamba phambili ekumelaneni nokuguga, ukusebenza kahle kwezindleko, kanye nokuvumelana nezimo okuqondene nohlelo lokusebenza, okuzenza zibaluleke kakhulu ezimbonini ezithembele emiphongolweni yesikulufu esisodwa. Ukuthi isetshenziswe ku-aIsikulufu esisodwa ne-twin screw extrudernoma ekhiqizwe ngendlela esezingeni eliphezuluifektri yesikulufa esisodwa, lezi zinto ezintsha zichaza kabusha ukusebenza kahle nokuqina. Ngaphezu kwalokho, i-i-extruder parallel screw barrelukuklama kuthuthukisa ukusebenza okuphelele kwenqubo ye-extrusion, iqinisekisa imiphumela emihle kuzo zonke izinhlelo zokusebenza ezihlukahlukene.
Ukuqonda Izinto Zomgqomo Owodwa wesikulufa
Ukubaluleka Kokukhetha Okubalulekile
Ukukhetha into efanele yombhobho oyisikulufa owodwa kubalulekile ukuze kuzuzwe ukusebenza kahle ezinqubweni ze-extrusion. Okubalulekile kuthonya ngokuqondile ukuqina komgqomo, ukumelana nokugqokwa, kanye nekhono lokuphatha ama-polymer athile. Isibonelo, izinto zokwakha ezinobulukhuni obuphezulu, njenge-38crMoAIA, zinikeza ukumelana okuhle kakhulu nokuguga, okuqinisekisa ukuphila isikhathi eside nangaphansi kwezimo ezinzima. Ukwengeza, ukujula kongqimba lwe-nitride okungu-0.5-0.8mm kuthuthukisa ikhono lombhobho lokukwazi ukumelana nokusebenza kokucindezela okukhulu, kuwenze ulungele izinhlelo zokusebenza ezifanaUkukhishwa kwepayipi le-PVC.
Ukukhethwa kwezinto kuphinde kube nomthelela ekusebenzeni kahle kwenqubo ye-extrusion. Ucwaningo olusebenzisa ukumodela kwe-Discrete Element Method (DEM) lubonisa ukuthi izici ezibonakalayo zikuthinta kanjani ukusebenza kokuphakelayo. Ngokulingisa i-powder flow dynamics, abacwaningi baye babonisa ukuthi izinto ezifanele zingakwazi ukuthuthukisa izinqubo zokukhiqiza, ukunciphisa isikhathi sokuphuma kwezinto ezibonakalayo nokuthuthukisa umkhiqizo jikelele. Lokhu kugqamisa ukubaluleka kokukhetha izinto ezihambisana nezidingo ezithile zohlelo lokusebenza.
Izinto Ezibalulekile Ekuhloleni Izinto Zomgqomo Wesikulufa Owodwa
Lapho kuhlolwa izinto ezisetshenziswayo zemiphongolo yesikulufu eyodwa, izici ezimbalwa ziyavela. Lokhu kufaka phakathi izindlela zokugqoka, ukumelana nokugqwala, nokuhambisana kwezinto. Ukuguga kwe-brasive, okubangelwa isenzo sokugunda ngesikhathi sokuthutha i-pellet, kuyinkinga evamile. Izinto ezinokuqina kobuso obuthuthukisiwe zingayinciphisa le nkinga. Ukumelana nokugqwala kubalulekile ngokufanayo, ikakhulukazi lapho kusetshenzwa ama-polymers angase ahlasele umgqomo ngamakhemikhali.
Ukucatshangelwa kwedizayini nakho kudlala indima ebalulekile. Ukuqina nokugxila komgqomo kuqinisekisa ukusebenza kahle, ukuvimbela ukuphazamiseka ngesikhathi sokukhipha. Ukwengeza, idizayini yesikulufu kufanele inikeze umthamo owanele wokuncibilika ukuze kugwenywe ukuxhuma okubalulekile, okungalimaza kokubili isikulufu nomgqomo. Ukuhambisana phakathi kwesikulufu kanye nezinto zomgqomo kubalulekile ukuze kuvinjelwe ukuqubuka, ikakhulukazi uma izinto ezithambile zihlangana neziqinile.
Ukuba khona kwezithasiselo ezi-abrasive kuma-polymers kugcizelela futhi isidingo sezinto eziqinile. Lezi zithasiselo zingasheshisa ukuguga nokugqwala, okukwenze kubaluleke ukukhetha izinto ezinikeza ukuvikeleka okuthuthukisiwe. Ngokucabangela lezi zici, abakhiqizi bangaqinisekisa impilo ende nokusebenza kahle kwemiphongolo yabo yesikulufu esisodwa.
Izinto Ezi-3 Ezihamba Phambili Zesikulufu Ezizodwa Ngo-2025
Impahla A: Izakhiwo Nezicelo
I-Material A igqama ngokumelana kwayo nokugqokwa okukhethekile kanye nokuzinza kwezinga lokushisa eliphezulu. Abakhiqizi bayisebenzisa kakhulu ezinhlelweni ezidinga ukusebenza isikhathi eside ngaphansi kwezimo ezimbi kakhulu. Ukwakhiwa kwayo kuhlanganisa ama-alloys athuthukile amelana namandla abrasive ngesikhathi sokukhipha. Lokhu okubalulekile kuqinisekisa ukusebenza okungaguquki, ngisho nalapho kucutshungulwa ama-polymer anezithasiselo ezilumayo.
I-Material A isebenza ngokukhethekile ku-ukukhiqiza amapayipi e-PVC. Ikhono layo lokumelana nezidingo zokucubungula eziyingqayizivele zenhlanganisela ye-PVC likwenza kube ukukhetha okuthandwayo kwemiphongolo yesikulufa yepayipi elilodwa le-PVC. Ukuqina kokusebenza kunciphisa izindleko zokuyilungisa futhi kuthuthukisa ukukhiqiza. Izimboni ezithembele ezinqubweni zokukhishwa okuphezulu kwe-extrusion zizuza kakhulu ekuthembekeni kwayo.
Material B: Izakhiwo kanye nezicelo
I-Material B ihlanganisa ukusebenza kahle kwezindleko nokumelana nokugqwala okuhle kakhulu. Ukwakheka kwayo kwamakhemikhali kuhlanganisa izakhi ezivikela ekonakalisweni okubangelwa ama-polymer asebenzayo. Lokhu okubalulekile kulungele ukusetshenziswa lapho ukuchayeka kumakhemikhali kuvame, njengezinqubo zokubumba igalelo.
Imiphongolo yesikulufu esisodwa eyenziwe nge-Material B ihamba phambili phakathiukukhiqiza izimo ezingenaluthonjengamabhodlela nezitsha. Ukulawula okunembile kwempahla ekuncibilikeni nasekubumbeni kuqinisekisa ukwakheka okufanayo kwesonto. Abakhiqizi bayakwazisa ikhono layo lokuletha imiphumela engaguquki kuyilapho benciphisa izindleko zokusebenza. Ukufinyeleleka kwe-Material B kuyenza ifinyeleleke emabhizinisini afuna ukusebenza kwekhwalithi ephezulu ngaphandle kokudlula izithiyo zesabelomali.
Material C: Izakhiwo kanye nezicelo
I-Material C inikeza ukuguquguquka okungenakuqhathaniswa kwezinhlelo zokusebenza ezihlukahlukene ze-extrusion. Izakhiwo zayo ezilinganiselayo zifaka ukumelana nokugqoka okumaphakathi, ukuzinza kokushisa, nokuhambisana nama-polymer ahlukahlukene. Lokhu okuqukethwe kuyinketho eguquguqukayo yezimboni ezidinga ukuguquguquka ekukhiqizeni.
Ipayipi le-PE extruder imiphongolo yesikulufu esisodwa izuza kakhulu kuzici ezihlukile ze-Material C. Izinto ezibonakalayo zithatha izakhiwo ze-rheological ze-polyethylene, ziqinisekisa ukuncibilika okusebenzayo nokuxuba. Idizayini yayo eyenziwe kahle isekela ukusebenza okuphezulu, ukuhlangabezana nezidingo eziqinile zokukhiqizwa kwamapayipi e-PE. Ukuhlukahluka kwe-Material C kuyenza ifaneleke kubakhiqizi abaphatha izinhlobo eziningi ze-polymer, ithuthukisa ukusebenza kahle kuyo yonke imigqa yemikhiqizo ehlukene.
Ukukhetha I-Right Single Screw Barel Material
Izincomo eziqondene nohlelo lokusebenza
Ukukhetha into efanelekile yomphongolo wesikulufa esisodwa kuncike kakhulu kuhlelo lokusebenza. NgobaUkukhishwa kwepayipi le-PVC, izinto ezinokumelana nokugqoka okuphezulu nokuzinza kokushisa, njenge-Material A, zinconywa. Lezi zakhiwo ziqinisekisa ukusebenza okungaguquki ngaphansi kwezimo ezidingekayo zokucutshungulwa kwe-PVC. Ngokuphambene, izinhlelo zokusebenza zokubumba i-blower ziyazuza ezintweni ezifana ne-Material B, enikeza ukumelana nokugqwala okuphakeme nokulawula okunembile kokuncibilika kwe-polymer. Lokhu kuqinisekisa ukwakheka okufanayo kwesonto, okubalulekile ekukhiqizeni imikhiqizo engenalutho yekhwalithi ephezulu.
Ngokukhishwa kwepayipi le-polyethylene, i-Material C ivelele ngenxa yokuguquguquka kwayo kuzakhiwo ze-rheological ze-PE. Amandla ayo okugcina ukuncibilika okusebenzayo nokuxuba kusekela ukuphuma okuphezulu, okwenza kube ukukhetha okuthembekile kokukhiqizwa kwamapayipi e-PE. Izifundo zokuziphatha okuqinile kokudlulisa ingcindezi zigcizelela ukubaluleka kokukhetha izinto ezithuthukisa ukudluliswa kwama-polymer esigabeni sokudlulisa okuqinile. Ukwengeza, ukuhlaziya okulinganiselwe kwesici sokusebenza kwesikulufu ngaphansi kwezimo ezihlukene kugqamisa indlela ukukhethwa kwezinto ezithinta ngayo ukusebenza kahle kwe-extrusion.
Izindleko vs. Ukucatshangelwa kokusebenza
Ukulinganisa izindleko nokusebenza kubalulekile lapho ukhetha into eyodwa yesikulufa yombhobho. Nakuba izinto ezisebenza kahle ezifana ne-Material A zingase zibe nezindleko eziphezulu zangaphambili, ukuqina kwazo kanye nezidingo ezincishisiwe zokunakekelwa ngokuvamile kuholela ekongeni isikhathi eside. Izinto ezifana ne-Material B, ezaziwa ngokufinyeleleka kwazo, zinikeza inketho enhle kakhulu yezinhlelo zokusebenza ezinokuguga okusesilinganisweni kanye nezidingo zokugqwala.
Amamodeli enziwe lula abikezela izinga lokugeleza okukhulu nengcindezi ekuphumeni kwe-extruder angaqondisa izinqumo ezingabizi kakhulu. Isibonelo, amadizayini emiphongolo e-grooved, athuthukisa ukusebenza kwe-extrusion, angase athethelele ukutshalwa kwezimali ezintweni zeprimiyamu. Ucwaningo oluyisibonelo oluhlanganisa amamodeli okuhlela azenzakalelayo lubonise ukuthi ukukhetha okunembile kwempahla kungavimbela ukushoda kwe-inventory kanye nokweqisa, kuqinisekiswe ukusebenza kahle.
Izinto ezintathu eziphezulu eziphezulu ze-screw barrel—I-Material A, Material B, kanye ne-Material C—zihamba kahle kakhulu ekumelaneni nokuguga, ukuvikela ukugqwala, kanye nokuvumelana nezimo. Into ngayinye ihambisana nezinhlelo zokusebenza ezithile, iqinisekisa ukusebenza kahle.
Ukukhetha izinto ezifanele kuthuthukisa ukukhiqiza futhi kunciphisa izindleko. Abakhiqizi kufanele bahlole izidingo zabo zokusebenza ngokucophelela ukuze benze izinqumo ezinolwazi ezikhulisa ukusebenza kahle nokuqina.
FAQ
Yiziphi izici ezinquma ubude besikhathi sokuphila komgqomo wesikulufa esisodwa?
Ubude bempilo buncike kukhwalithi yezinto ezibonakalayo, ukumelana nokugqokwa, kanye nezinqubo zokunakekela. Ukuhlanza okuvamile nokusetshenziswa okufanele kukhulisa ukuqina kakhulu.
Ingabe imiphongolo yesikulufa esisodwa ingaphatha izinhlobo eziningi ze-polymer?
Yebo, izinto eziguquguqukayo ezifana ne-Material C zivumelana nama-polymer ahlukahlukene. Baqinisekisa ukuncibilika okusebenzayo nokuxuba izinhlelo zokusebenza ezihlukahlukene ze-extrusion.
Ngingayikhetha kanjani into engcono kakhulu yesicelo sami?
Linganisa izidingo zokucubungula, uhlobo lwe-polymer, nesabelomali. Izinto ezifana no-A, B, noma u-C zinikeza izixazululo ezenzelwe wena ze-PVC, i-PE, noma izinqubo zokubumba i-blow.
Isikhathi sokuthumela: Jun-09-2025