UPVC Pipe Extrusion Line

Mohala oa extrusion oa UPVC ke mohala o tsoelang pele oa tlhahiso o etsang polasetiki e kopanyang motsoako o omileng oa UPVC ka screw extruder e le 'ngoe, e e ntše ka har'a hlobo e chitja, e e bōpe ka lebokoseng la boholo ba vacuum, e e pholisa ka tanka ea metsi a pholileng, ebe qetellong ea e khaola le ho e phutholla.

Likarolo tsa ho qetela tsa sehlahisoa:

· Ho hanyetsa ho bola: ho se ruse, acid le alkali, bophelo bo bolelele ba ts'ebeletso.

·Mokelikeli o tlase o hanyetsa: Lerako le ka hare le boreleli, le sa rateheng ho hoholo.

·Matla a phahameng a mochini: e na le khanyetso e ntle ea khatello.

·Setsi se setle: se loketse kotopo ea terata.

·E bobebe: ho bonolo ho e tsamaisa le ho e kenya.

Lisebelisoa tsa mantlha:

·Lipeipi tsa phepelo ea metsi: phepelo ea metsi ea masepala, phepelo ea metsi ka tlung bakeng sa meaho.

· Peipi ea ho ntša metsi: ho aha metsi a pula le likhoerekhoere.

·Mohala oa motlakase: o sireletsa lithapo le likhoele.

·Lipeipi tsa ho nosetsa: ho nosetsa temo le serapeng.

Mohala o tloaelehileng oa lipeipi tsa UPVC haholo-holo o kenyelletsa litsamaiso tse latelang:

Ts'ebetso ea mantlha: Tokiso ea thepa e tala → Ho kopanya ho chesang ka lebelo le phahameng → Ho kopanya ho batang → Sekoti se le seng sa polasetiki sa extruder extrusion → Ho etsa hlobo ea selikalikoe → Vacuum sizeing → Pholiso ea spray → Sets'oants'o → Setsi sa khatiso → Sekoaelo sa bolelele bo tsitsitseng → Ho bokella liphaephe

(1) Mokhoa oa ho kopanya

Motsoako o chesang ka lebelo le phahameng: PVC resin, stabilizer (calcium zinc kapa lead salt), filler (CaCO ≮), modifier (ACR), titanium dioxide (TiO ₂, e sebelisetsoang ho thibela botsofali ka ntle) le lisebelisoa tse ling tse tala li tsoakoa ho latela mokhoa o nepahetseng, 'me li futhumatsoa ho isa ho likhato tse 120 ka ho eketsa lebelo le ho feta.

· Cool Mixer: E amohela -lisebelisoa tse phahameng tsa mocheso ebe e li pholisa ka potlako ho isa tlase ho likhato tse 40 ka ho fudunya le ka ho pholile metsi ka baki, ho ntša likhase tse sa tsitsang ho thibela ho hohlana le ho fumana metsoako e hlephileng, e tšoanang e ommeng bakeng sa ho fepa li-extruder habonolo.

(2) Sistimi ea Extrusion - motheo oa mohala oa tlhahiso

·Single Screw Extruder:

·Ke khetho e kholo ka ho fetesisa bakeng sa tlhahiso ea lipeipi. Ha ho bapisoa le li-twin-screw, e na le sebopeho se bonolo, theko e tlase, ts'ebetso e bonolo le tlhokomelo, 'me e loketse ho sebetsa lipeipi tsa UPVC ka lebaka la ho kuta le ho hasana ha thepa.

· Moralo oa Screw: hangata sekoti sa mofuta oa mokoallo kapa sekoti sa mofuta oa karohano, se ka thibelang ka nepo tlhahiso ea likaroloana tsa thepa e sa polasetiking, ho ntlafatsa boleng ba polasetiki le chai.

·Tlhaloso le mohlala: li khetholloa ka bophara ba screw (joaloka Φ 65, Φ 90, Φ 120) le karolelano ea bolelele ho bophara (L/D, hangata 25:1 ho 33:1). Ha e kholoanyane karolo ea likarolo, e ntlafatsa phello ea polasetiki.

(3) Mokhoa oa ho etsa le oa ho bōpa - senotlolo sa boleng ba lipeipi

· Extrusion hlobo (Die Head):

·Moko ke hlobo e chitja, hangata e sebelisa hlobo ea mofuta oa Sekho. Moqapi oa hlobo o tlameha ho etsa bonnete ba hore thepa e entsoeng ka ho qhibilihisoa e phalla ka ho lekana, ka khatello e tsitsitseng le lebelo, ho etsa bonnete ba hore botenya ba lebota bo lekanang le ho teba ha phala.

·Ho na le mandrels le shoa ka har'a hlobo, 'me lekhalo pakeng tsa tse peli le etsa qeto ea lerako botenya ba phala.

· Tanka ea Vacuum sizeng:

·Sena ke sesebelisoa se ikhethang le sa bohlokoahali bakeng sa tlhahiso ea liphaephe. -mocheso o phahameng o se nang letho o tsoang ka har'a hlobo hang-hang o kena ka lebokoseng la vacuum sizeng le tletseng metsi a pholileng.

·Molao-motheo oa ho sebetsa: Phaephe e bonolo e se na letho e kengoa sekoahelong sa boholo ka khatello ea vacuum negative, 'me bophara bo ka hare ba sleeve ea boholo ke bophara bo ka ntle ba phala. Ka nako e le 'ngoe fafatsa pholiso ea metsi ho bopa bophara bo ka ntle ba phala.

·Mokhoa oa boholo: Ntle le boholo ba vacuum (saese ea kantle), ho boetse ho na le boholo ba khatello ea kahare (ho tlatsa moea o hatelitsoeng ka har'a phala le ho kenya letsoho la ho pholisa), empa boholo ba liphaephe tsa UPVC li sebelisa vacuum sizeng.

(4) Sistimi ea ho futhumatsa

Tanka e Pholisang ea Spray:

·Ka mor'a ho lekanngoa, phala e kena ka tanka e telele ea metsi a pholileng (ho fihla ho limithara tse 20-40 ka bolelele) 'me e fafatsoa ka ho lekana ka metsi ho tloha lihloohong tsa spray e potolohileng ho e pholisa hantle ho tloha ka ntle ho ea ka hare.

·Melemo ea ho pholisa ka spray: E tšoana haholo ho feta ho qoelisoa ka metsing, e ka fokotsa ka katleho khatello ea ka hare ea liphaephe, le ho thibela ho senyeha le ho phunya.

(5) Tsamaiso ea ho hula

· Ho hula Seboko:

· E entsoe ka li-block tsa rabara tse ngata (hangata tse 2-4 kapa ho feta) tse phuthetsoeng ka har'a mabili a ho khanna, a tlanngoeng ke khatello ea moea kapa khatello ea haeteroliki.

·Fana ka matla a ho hula a tsitsitseng, a feto-fetohang le a matla, ao lebelo la ona le tlamehang ho lumellana hantle le lebelo la extrusion, ho seng joalo le ka baka botenya bo sa lekaneng ba lebota kapa ho robeha ha phala.

(6) Mokhoa oa ho hatisa le oa ho itšeha

·Inkjet Printer: Letšoao la ho fafatsa, litlhaloso, maemo, letsatsi la tlhahiso le matšoao a mang holim'a phala.

· Orbital Cutter:

·Ke khetho e ntle ka ho fetisisa ea ho seha liphaephe. Ha u seha, lehare la sakha e chitja le pota-potile phala ha le ntse le potoloha, ho fihlela sekoahelo se hloekileng ntle le li-chips, burrs, kapa deformation, ka sehiloeng se boreleli haholo.

·Bakeng sa-liphaephe tse kholo (tse kang tse bophara bo fetang 110mm), metjhini e sehang lipolanete ke ea maemo.

1. Botenya ba lebota le taolo ea concentricity: Tsena ke matšoao a mantlha a ho lekanya boleng ba liphaephe, tse itšetlehileng ka mokhoa o utloahalang oa moralo oa hlobo, botsitso ba extrusion, le ho lumellana ha ho hula.

2. Tlhahiso le tšebeliso ea matla: Moralo o ntlafetseng oa li-scruders tse le 'ngoe (joaloka li-barrier screws) o ikemiselitse ho eketsa tlhahiso le ho fokotsa tšebeliso ea matla a yuniti.

3. Theknoloji ea foromo: Litlhoko tsa foromo bakeng sa lipeipi tsa phepelo ea metsi le lipeipi tsa drainage li fapane (joalo ka litekanyetso tsa bohloeki le maemo a ho hanyetsa khatello), e hlokang mokhoa o nepahetseng oa foromo.

1. Litlhaloso tsa lihlahisoa: Hlalosa ka ho hlaka bophara ba bophara ba ka ntle le botenya ba lerako la liphaephe tse lokelang ho hlahisoa (tse kang Φ 20mm - Φ 160mm), tse khethollang boholo ba extruder, ho hlophisoa ha hlobo le lisebelisoa tse thusang.

2. Tlhokahalo ea tlhahiso: Khetha bophara ba sekoti se loketseng ho latela moralo oa 'maraka (joalo ka hoo e ka bang 80-150kg/h bakeng sa mochini oa Φ 65 le hoo e ka bang 180-280kg/h bakeng sa mochini oa Φ 90).

3. Boemo ba boiketsetso: Na o hloka mokhoa oa ho fepa le oa ho bekha o itekanetseng? Na re hloka crane ea othomathike ea stacker kamora ho seha?

4. Mold le sizeng sleeve: Boleng ba hlobo bo khetholla ka ho toba boleng ba hare-hare le lihlahisoa tsa thepa ea phala. Sleeve sa sizeng e hloka ho nkeloa sebaka ho latela li-diameter tse fapaneng tsa pipe.

5. Litšebeletso tsa Bafani ba thepa: Khetha barekisi ba tšepahalang ba ka fanang ka theknoloji e felletseng, tšehetso ea mokhoa oa ho sebetsa, le ka botlalo ka mor'a{1}litšebeletso tsa thekiso.

Kakaretso: Mohala oa extrusion oa pipe ea UPVC ke o mong oa mehlala ea khale le e atlehileng ho theknoloji ea extrusion.

Senotlolo sa ts'ebetso ea eona e atlehileng ke:

·Uniform plasticizing single screw extruder

· Liphaephe tse entsoeng ka mokhoa o nepahetseng

·Sistimi e tsitsitseng le e sebetsang ea vacuum sizeng

· Ho hokahana le ho tsamaisa pina ka nepo

· Liforomo le lits'ebetso tse holileng le tse tšepahalang

Tlhophiso ea line ea tlhahiso ea fetoha, e nang le litharollo tse hōlileng tsebong ho tloha ho tse nyenyane ho ea ho tse kholo tse ikemetseng ka ho feletseng. Moeli oa lichelete o batla o le tlaase ha o bapisoa le mela ea profile ea lifensetere, e leng se etsang hore e be khetho e tloaelehileng ea ho kena indastering ea extrusion ea polasetiki.

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