Ingabe I-Single Plastic Screw Barrels Ilithuthukisa Kanjani Ikhwalithi Yemikhiqizo Yepulasitiki

Amasistimu we-Single Screw Barrel aletha ukulawula okunembile ekuncibilikeni nasekuxubeni, okuholela emikhiqizweni yepulasitiki engaguquki kakhulu. Cishe u-45% weAmafekthri e-Screw Barel Factorieskhethaimiphongolo yesikulufa esisodwaukusebenza kahle kwazo. Ekubumbeni igalelo,amazinga okukhubazeka angehla aze afike ku-90%. Abakhiqizi abaningi bakhetha i-Ipayipi le-PVC i-screw barrel eyodwangokwethembeka kwayo.

Izimiso Ezisebenzayo Zomgqomo Wesikulufa Owodwa wePlastiki

Indlela Yokuncibilika kanye Neye-Homogenization

A umphongolo we-screw wepulasitiki owodwaisebenzisa inhlanganisela yezinqubo zemishini nezishisayo ukuncibilikisa nokuxuba izinto zepulasitiki. Isikulufu sizungeza ngaphakathi komgqomo, siphushela ama-pellets epulasitiki phambili. Njengoba ama-pellets enyakaza, kwenziwa izinyathelo ezimbalwa ezibalulekile:

• Ukugunda kwemishini nokungqubuzana phakathi kwezindiza eziyisikulufa nezindonga zemiphongolo kudala ukushisa. Lokhu kushisa kuphakamisa izinga lokushisa lepulasitiki.
• Izifudumezi zangaphandle emgqonyeni zengeza ukushisa okwengeziwe, ziqinisekisa ukuthi ipulasitiki iyancibilika ngokulinganayo.
• Iindawo yokucindezela ngaphakathi komgqomokunciphisa isikhala, okwandisa kokubili ukucindezela kanye nezinga lokushisa. Lolu shintsho oluncibilika kancane kancane luncibilikisa i-polymer isuka kokuqinile iye esimweni esincibilike ngokuphelele.
• Isikulufu esijikelezayo sixuba ipulasitiki encibilikisiwe kahle. Lesi senzo sokuxuba siqinisekisa ukuthi impahla iba yi-homogeneous, nezakhiwo ezingaguquki kulo lonke.
• Izithasiselo, ezifana nama-colorants noma ama-stabilizers, zingahlanganiswa ngalesi sigaba. Isenzo sokuhlanganisa isikulufu sisiza ukusabalalisa lezi zengezo ngokulinganayo.
• Indawo yokulinganisa ekugcineni kwesikulufu igcina ukucindezela okuqinile nokugeleza, ilungiselela okubalulekile kwesigaba esilandelayo sokucutshungulwa.

Qaphela: Ukuncibilika okufanayo kanye nokuxuba kubalulekile ekukhiqizeni imikhiqizo yepulasitiki enamandla athembekile, umbala, kanye nokuqedwa kwendawo.

I-Material Conveyance and Pressure Regulation

I-screw barrel eyodwa yepulasitiki nayo idlala indima ebalulekile ekuqhubekiseni izinto phambili nokulawula ingcindezi ngesikhathi sokucutshungulwa. Imithetho ethile yomzimba iqondisa le nqubo:

• Isikulufu nomgqomo kusebenza ndawonye ukuze kudluliselwe izinto zepulasitiki ngaphansi kwezinga lokushisa eliphezulu nokucindezela.
• Izici zokuklama isikulufu, njengokujula kwesiteshi kanye nezindawo zokuminyanisa, zilawula ukuthi kungakanani ingcindezi nokugunda okugcizelela okuhlangenwe nakho kokubalulekile.
• Ukushisa okuningi okudingekayo ukuze kuncibilike kuvela ekungqubuzaneni njengoba isikulufu sizungeza kupulasitiki. Lokhu kushisa okungqubuzanayo kubaluleke kakhulu kunokushisa okuvela kuma-heaters emiphongolweni.
• II-feed zone isebenza njengendawo yokupholisa, lapho izinhlayiya zepulasitiki zinamathela emgqonyeni kodwa zishibilike empandeni yesikulufu. Lesi senzo sisiza ukuhambisa okubalulekile phambili kahle.
• Ukucaciswa okuqinile phakathi kwesikulufu nomgqomo kuvimbela ukugeleza emuva, okuqinisekisa ukuthi okokusebenza kuhamba ngendlela eyodwa.
• Ingcindezi ethiphu yesikulufu ibonisa ukumelana nezinto ezisetshenziswayo ezansi nomfula. Ukugcina ingcindezi efanele kubalulekile ekuxubeni nasekuphepheni.
• Amasistimu okupholisa, njengemiphongolo epholiswe ngamanzi, asiza ukulawula izinga lokushisa lesikulufu. Lokhu kulawulwa kwezinga lokushisa kuthuthukisa ukusebenza kahle kokudluliswa kwezinto futhi kugcina ingcindezi izinzile.
• Usayizi nokuma kwama-granules epulasitiki, isivinini sesikulufu, kanye nomklamo we-groove konke kuthonya ukuthi kungakanani okubalulekile okuhamba emgqonyeni nokuthi ingcindezi ishintsha kanjani ngesikhathi sokusebenza.

Ithiphu: Ukulawulwa kwengcindezi efanele kanye nokudluliswa kwezinto kusiza ukuvimbela amaphutha futhi kuqinisekise ukuthi umkhiqizo ngamunye wepulasitiki uhlangabezana nezindinganiso zekhwalithi.

Izici Zokuklama Ezibalulekile Ze-Single Plastic Screw Barrel

I-Screw Geometry ne-Compression Ratio

Gcoba ijometriime njengento ebalulekile ekusebenzeni kweSingle Plastic Screw Barrel. Onjiniyela baklama isikulufu ngezilinganiso ezithile zobude-to-diameter (L/D), ukujula kwegroove, nama-engeli we-helix ukuze kufane nezakhiwo zamapulasitiki ahlukahlukene. Lezi zici zithinta ngokuqondile ukuthi umshini uncibilika kanjani, uxube, futhi udlulise izinto ezibonakalayo.

• Isilinganiso esiphezulu se-L/D sinyusa ubude obusebenzayo besikulufu. Lokhu kuvumela isikhathi esengeziwe sokushisa ukusabalalisa ngokulinganayo, okuthuthukisa ukuncibilika kanye nokwenza ipulasitiki. Kodwa-ke, uma isilinganiso siphezulu kakhulu, singaphakamisa ukusetshenziswa kwamandla kanye nezinkinga zemishini engozini.
• Kumapulasitiki angezwani nokushisa njenge-PVC, isilinganiso esifushane se-L/D sivimbela ukuwohloka kokushisa. Amapulastiki adinga amazinga okushisa aphezulu nezingcindezi azuza kuzikulufu ezinde.
• Isilinganiso sokuminyanisa, esiqhathanisa ivolumu yesigaba sokuphakelayo nesigaba semitha, sithinta indlela ipulasitiki ebumbana futhi incibilike ngayo. Isilinganiso esiphezulu sokuminyanisa sithuthukisa ukuhlanganisa ukufana nokuminyana kwepulasitiki. Uma isethwe phezulu kakhulu, ingabangela ukuncibilika okungaphelele noma ukusetshenziswa kwamandla okuphezulu.
• Ukujula kwe-groove kushintsha eduze kwesikulufu. Imifantu ejulile esigabeni sokuphakelayo isiza ukuyisa okubalulekile phambili, kuyilapho imisele engajulile engxenyeni yokulinganisa ikhulisa ukugunda futhi ithuthukise ukuxutshwa.
• I-engeli ye-helix ithonya ukuthi ipulasitiki incibilika ngokushesha kangakanani nokuthi isikulufu singacubungula kangakanani. Onjiniyela bakhetha i-engeli efanelekile ngokususelwe kuhlobo lwepulasitiki, njengempushana noma ama-granules.
• Ukucaca phakathi kwesikulufu nomgqomo kumele kuhlale kuqinile. Ukucaciswa okuningi kuholela ekugelezeni emuva nokushisa ngokweqile, okungahle kwehleizinga lomkhiqizo.

Ijiyomethri yesikulufu esifanelekile kanye nesilinganiso sokuminyanisa siqinisekisa ukuncibilika okusebenzayo, ukuxutshwa okuphelele, nokucindezela okuzinzile, konke okubalulekile ekukhiqizeni imikhiqizo yepulasitiki yekhwalithi ephezulu.

Ukukhethwa Kwempahla Yomgqomo Nokwelashwa Kwangaphandle

Ukukhethwa kwezinto zomgqomo kanye nokwelashwa kwayo okungaphezulu kudlala indima enkulu ekuqineni nasekusebenzeni kweSingle Plastic Screw Barrel. Abakhi bavame ukusebenzisa insimbi enamandla amakhulu, insimbi engagqwali, noma izinhlanganisela ezithuthukisiwe ukumelana nezinga lokushisa eliphezulu nezingcindezi zokucutshungulwa kwepulasitiki.

• Izinhlobonhlobo zensimbi, okuhlanganisa i-38CrMoAL ne-40Cr, zinikeza ukuguga okuhle kakhulu nokumelana nokugqwala. Lezi zinto zisingatha ingcindezi yokujikeleza kwesivinini esikhulu namandla e-centrifugal.
• Ukwelapha okungaphezulu okufana ne-nitriding (Melonite), ulayini we-chrome, nezimbozwe ze-phosphate kwandisa isikhathi sokuphila somphongolo. I-nitriding isakaza i-nitrogen ensimbi, idale indawo eqinile, ekwazi ukumelana nokugqwala. I-Chrome lining yengeza esinye isendlalelo sokuvikela futhi ithuthukisa ukuhlanza.
• Imiphongolo yensimbi engagqwali inikeza ukumelana nokugqwala kwemvelo futhi igcina ukunemba ngokuhamba kwesikhathi. Kodwa-ke, basadinga ukunakekelwa okuvamile ukuvimbela ukuguga.
• Abanye abakhiqizi bafaka ama-ceramic-based coatings afana ne-Cerakote ngokushisa okwengeziwe nokumelana nokugqoka. Lezi zembatho nazo zivumela ukwenza ngokwezifiso umbala.
• Emiphongolweni ye-aluminium, i-anodizing ikhulisa ukuqina kwendawo kanye nokumelana nokugqwala, nakuba le nqubo ijwayeleke kakhulu ezinhlelweni ezikhethekile.

Inhlanganisela efanele yezinto ezibonakalayo nokwelashwa kwendawo iqinisekisa ukuthi umgqomo umelana nokuguga, ukugqwala, nokuguqulwa, ukugcina ikhwalithi yomkhiqizo engaguquki kanye nokunciphisa isikhathi sokuphumula.

Ukulawula Izinga lokushisa kanye Nezindawo Zokushisisa

Ukulawula izinga lokushisa okunembile kubalulekile ku-Single Plastic Screw Barrel ukuze ulondoloze izimo ezilungile zokucubungula. Abakhiqizi bahlukanisa umgqomo ezindaweni eziningi zokushisisa, ngayinye enezilawuli ezizimele. Lo mklamo uvumela ukuphathwa kwezinga lokushisa okucushwe kahle kubo bonke ubude bomphongolo.

• Amasistimu athuthukile asebenzisa izilawuli ze-PID, isilawuli se-cascade, kanye nama-algorithms aqagelayo ukuze agcine indawo ngayinye ekuzinga lokushisa olifunayo.
• Izinzwa ziqapha izinga lokushisa elincibilikayo ngesikhathi sangempela. Isistimu ilungisa amandla weheater noma isivinini sesikulufu ukuze sigcine ukuzinza.
• Ukushisa kwezindawo eziningiivimbela izindawo ezishisayo noma ezibandayo, ezingabangela ukuncibilika okungalingani noma amaphutha emkhiqizweni wokugcina.
• Kwezinye izimo, izinto zokushintsha isigaba zisiza ukumunca noma ukukhulula ukushisa, kuqinise izinga lokushisa endaweni ngayinye.
• Ukuphatha kahle ukugeleza komoya kanye namafeni aphinde azungezisa amanzi athuthukisa ukufana kwezinga lokushisa, njengoba kubonakala kumahhavini wezimboni asebenza kahle kakhulu nama-extruder.
• Ukushisa kwendawoakugcini nje ngokuthuthukisa ikhwalithi yomkhiqizo kodwa futhi kwandisa ukusebenza kahle kwamandla kanye nesivinini sokukhiqiza.

Izinga lokushisa elingaguquki kuzo zonke izindawo liqinisekisa ukuthi ipulasitiki inyibilika ngokulinganayo, ixube kahle, futhi igeleza kahle, okuholela emikhiqizweni enamandla okusebenza aphakeme nokuqedwa kwendawo.

Ukuthuthukisa Inqubo Nge-Single Plastic Screw Barrel

Ukulawula Ukuncibilika Okunembile Nokuxuba

Ukwenza ngcono inqubo kuqala ngokulawula okunembile kokuncibilika nokuxutshwa. Onjiniyela baklama izikulufu ezinezindawo ezikhethekile—okuphakelayo, ukuminyanisa, nokukala amamitha—ukuze ziqondise ipulasitiki esigabeni ngasinye. Lesi sakhiwo siqinisekisa ukuthi i-polymer iyathambisa kancane kancane futhi ixube kahle. Izici zesikulufu ezenziwe ngezifiso, njengezigaba zesithiyo nezihlanganisi ezihlakazayo, zithuthukisa ukusebenza kahle kokuncibilika kanye nokuqondanisa kwefayibha. Lezi zithuthukisi ziholela ekulimaleni okumbalwa kanye namazinga aphansi e-scrap. Kwesinye isimo semboni, inkampani yenyuse ukusebenza ngo-23% futhi yehlisa izinsalela ngo-15% ngemuva kokuthuthukisa ukwakheka kwesikulufu nokulawula inqubo.

Amasistimu wempendulo okulawula ukucindezela adlala indima ebalulekile. Balungisa isivinini se-screw ukuze kugcinwe ukucindezela okuzinzile, okunciphisa ukushintshashintsha kokuphumayo. Izilingo zibonise ukuncishiswa kwe-20-40% ekuhlukeni kwengcindezi, okuholela ekuncibilikeni okungaguquguquki kokugeleza nokubekezelelana okuqinile kwenqubo.Ukuqapha izinga lokushisa kwesikhathi sangempelakanye nezinhlelo zokushisa ezithuthukisiwe zigcina indawo ngayinye yomgqomo ezingeni lokushisa elifanele. Le ndlela iqeda izindawo ezishisayo noma ezibandayo, iqinisekisa izinga lokuncibilika okufanayo nokunciphisa ukuhlukahluka komkhiqizo.

Qaphela: Ukuxuba okufanayo kanye nengcindezi ezinzile kusiza abakhiqizi ukuthi bathole ikhwalithi yomkhiqizo engaguquki, ngisho nasekukhiqizweni kwevolumu ephezulu.

Ukunciphisa Ukuwohloka Kwempahla Nokukhubazeka

Ukunciphisa ukuwohloka kwezinto kanye nokukhubazeka kudinga isikulufu esicophelelayo kanye nomklamo wenqubo. Onjiniyela bakhulisa i-flight radii yezikulufu ukuze baqede izifunda ezimile ezigeleza, ezingadala ukuwohloka kwenhlaka. I-screw geometry elungiselelwe kanye noshintsho olubushelelezi kuvimbela ipulasitiki ekunamatheleni noma ekushiseni. Ngokwesibonelo, iI-PE PP umjovo wokubumba umgqomo wesikulufaisebenzisa izingxenye ezikhethekile zokuxuba ukukhuthaza ukuncibilika okufanayo, okunciphisa izindawo ezibandayo kanye nezinto ezingancibilikisiwe.

Izimboni zibika imijikelezo yokukhiqiza esheshayo kanye nezingxenye ezimbalwa ezinqatshiwe ngemva kokwenza lokhu kuthuthukiswa. Imigqa yokushisela engcono kanye nokuncipha kweyunifomu eyengeziwe nakho kunomthelela eqophelweni eliphezulu lomkhiqizo. Izinga lokushisa elithuthukisiwe nezinhlelo zokulawula ingcindezi zigcina izimo ezikahle zokucubungula, ziphinde zinciphise ukuwohloka kwezinto ngesikhathi sokubunjwa. Ukunakekelwa okuvamile nokuqeqeshwa komsebenzisi kuqinisekisa ukuthi I-Single Plastic Screw Barrel iyaqhubeka nokuletha imiphumela ethembekile, engenasici.

Izinzuzo Zekhwalithi Ze-Single Plastic Screw Barel Over Alternatives

Ukusebenza Komgqomo Owodwa vs. I-Twin Screw

Abakhiqizi bavame ukuqhathanisa imiphongolo yesikulufu eyodwa kanye neyamawele ukuze banqume ukulingana okungcono kakhulu kwezidingo zabo zokukhiqiza. Idizayini yesikulufu esisodwa inikezela ngesakhiwo esilula, okwenza kube lula ukusebenza nokuyinakekela. Ama-opharetha angakwazi ukufunda ngokushesha inqubo, okunciphisa isikhathi sokuqeqesha nezindleko. Ngokuphambene, ama-twin screw barrel adinga o-opharetha abanekhono ngenxa yezikulufu zabo ezihlanganisayo eziyinkimbinkimbi.

Imiphongolo yesikulufu esisodwa ikhiqiza ingcindezi ezinzile, esiza ukugcina ubukhulu bomkhiqizo obungaguquki. Futhi banezindleko eziphansi zokuqala nezokulungisa, okubenza bafaneleke ezintweni ezijwayelekile ezifana ne-PE, PP, ne-PVC pellets. Ama-twin screw barrel ahamba phambili ekuxubeni nasekulawuleni izinga lokushisa, ikakhulukazi kumapulasitiki ayinkimbinkimbi noma agaywe kabusha, kodwa eza nezindleko eziphakeme kanye nezidingo zokunakekela.

Qaphela: Ezinhlelweni eziningi ezijwayelekile, idizayini yesikulufu esisodwa inikeza ukusebenza okuthembekile nokonga kwezindleko.

Izinzuzo Zekhwalithi Ethize Yohlelo Lokusebenza

I-Single Plastic Screw Barrel igqama ezinhlelweni lapho ubulula nokuphuma okungaguquki kubaluleke kakhulu.Ipayipi extrusion, ukukhiqizwa kweshidi, nokukhiqizwa kwephrofayili kuvame ukusebenzisa lo mklamo kuwoukusebenza okuzinzilekanye nezinga lokushisa elincibilikayo elilawulwayo. Ama-opharetha ayazuza ngokudluliswa kokushisa okuphumelelayo, okuqinisekisa ukuncibilika okufanayo futhi kunciphisa ubungozi bokulimala.

• Isigaba sokuphakelayo siletha ukugeleza kwezinto ezizinzile.
• Ingxenye yokuncibilika isusa umoya ovalelwe futhi idale ingxube engaguquki.
• Isigaba semitha sigcina ingcindezi eqhubekayo kanye nokuphumayo.

Lezi zici zisekela imiphumela yekhwalithi ephezulu emikhiqizweni efanaAmapayipi e-PVC, amashidi e-PET, namaphrofayili e-ABS. Idizayini iphinde ivumele ukugcinwa okulula kanye nezinguquko ezisheshayo zezinto ezibonakalayo, okuthuthukisa ukukhiqiza. Abakhiqizi bakhetha imiphongolo yesikulufu esisodwa ngekhono labo lokuphatha izinhlobonhlobo zamapholymeri, okuhlanganisa amapulasitiki obunjiniyela namapulasitiki ezinto eziphilayo, ngaphandle kobunzima bezinhlelo zezikulufo ezingamawele.

Ukuthuthukiswa Kwekhwalithi Yomhlaba Wangempela Ngokusebenzisa I-Single Plastic Screw Barrel

Ikesi lesifundo sokubumbana komjovo

Umkhiqizi ohamba phambili wamapulasitiki uthuthukise yayoumugqa wokubumba umjovonge-screw ephakeme kanye nobuchwepheshe bemigqomo. Ithimba ligxile ekuthuthukiseni i-screw geometry nokusebenzisa insimbi ene-nitrided emgqonyeni. Lezi zinguquko zithuthukise i-homogeneity yokuncibilika kanye nezinga lokushisa elizinzile lokuncibilika. Ama-opharetha abone iziphambeko ezimbalwa, njengokuncibilika okungaphelele kanye nokulandelana kombala. Ukusetha okusha kuphinde kwanciphisa isikhathi sokuphumula ngoba umgqomo ongagugi uhlala isikhathi eside phakathi kwemijikelezo yokulungisa.

Ukuthuthukiswa okubalulekile kufakiwe:

• Ukuncibilika okungaguquguquki, okwaholela ebukhulu bomkhiqizo obufanayo.
• Ukuqedwa kweziphambeko ezivamile, okuhlanganisa ukuxubana okungalingani nokungahambisani kobukhulu.
• Ukushintsha kombala okusheshayo nokushintsha kwezinto, okwandisa ukuguquguquka kokukhiqiza.

Abasebenzisi babike ukukhuphuka okungama-20% ekusebenzeni kahle kokukhiqiza kanye nokwehla okubonakalayo kwezingxenye ezinqatshiwe. I-British Plastics Federation igqamisa ukubaluleka kwedizayini yesikulufu nemiphongolo yokuletha ukuncibilika okufanayo nokugwema ukungazinzi.

I-Surface Finish Ethuthukisiwe Esifundweni Sendaba Ye-Extrusion

Esikhungweni se-polypropylene extrusion, onjiniyela balungise izinga lokushisa lomgqomo, isivinini sesikulufu, nokuncibilika kwe-viscosity ukuze kuthuthukiswe ikhwalithi yomucu. Basebenzise amamodeli ezibalo ukuze babikezele izilungiselelo ezifanele. Ithimba ligcine izinga lokushisa lomgqomo phakathi kuka-160-180 °C kanye nesivinini esilawulayo sesikulufa phakathi novivinyo. Lokhu kulungiswa kuzinzile ukugeleza kokuncibilika kanye nokulawula okuthuthukisiwe kobubanzi be-filament.

Ukuthuthukisa inqubo kuvimbele amaphutha afana ne-ovality kanye nobubanzi obungahambisani. Umphumela waba isiphetho esibushelelezi kanye nemikhiqizo ekhishwe ngekhwalithi ephezulu.

Abakhiqizi bathola ikhwalithi ephezulu yomkhiqizo kanye nokuthembeka ngemiklamo ethuthukisiwe yemiphongolo yesikulufa.

• Imigqa engagqoki kanye nejometri eyenziwe kahle inciphisa amaphutha nokulahlwa, yehlisa udoti ekukhiqizeni.
• Izinto ezithuthukisiwe kanye ne-automation kukhulisa ukuqina nokusebenza kahle, kusekela okukhiphayo okusheshayo, okungaguquguquki kuzo zonke izimboni.

FAQ

Iyiphi inzuzo eyinhloko yomphongolo wesikulufa sepulasitiki esisodwa?

Imiphongolo yesikulufu yepulasitiki eyodwanikeza ukulawula okunembile ekuncibilikeni nasekuxubeni. Lokhu kuholela kwikhwalithi yomkhiqizo engaguquki kanye namaphutha ambalwa ekwenziweni kwepulasitiki.

Impahla yomgqomo iyithinta kanjani ikhwalithi yomkhiqizo?

Izinto zomgqomoimithelela ukumelana nokugqoka nokudlulisa ukushisa. Izinto ezisezingeni eliphezulu, njengensimbi ye-nitrided, zinweba impilo yemishini futhi zigcine izimo zokucubungula ezizinzile.

Ingabe imiphongolo yesikulufu yepulasitiki eyodwa ingaphatha izinhlobo ezahlukene zamapulasitiki?

• Yebo, imiphongolo ye-screw yepulasitiki eyodwa icubungula izinhlobonhlobo zama-polymer.
• Basebenza nge-PE, PP, PVC, ABS, namapulasitiki amaningi wobunjiniyela.