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Rondedzera granulation imwe screw mune iyi hurongwa: feedstock, inodiwa kugadzirira kunyunguduka, venting mutoro, basa rekusanganisa, kusefa kuramba uye pelletizing nzira. Taura kuti chikafu chakachena pellet, hupfu, agglomerate, washed flake kana rwizi rwunoshandiswa patsva. Ipa resin giredhi, MFR bvunzo mamiriro, hunyoro, kusvibiswa, filler, chinangwa chinobuda, mota, rpm, vacuum kurongeka uye zviratidzo zvazvino. Iyo screw inogona kugadzirwa yakatenderedza hwindo rezvinhu chairo pachinzvimbo chezita rekuti dhayamita.

Sarudza firimu-kuvhuvhuta sikuru mune iyi hurongwa: resin uye kuumbwa, rakapedzwa firimu uye layer chimiro, mutsara webasa, wozo screw geometry uye pamusoro pehurongwa. Bvunza iyo chaiyo resin giredhi uye melt flow test mamiriro, kwete chete "LDPE," "LLDPE" kana "HDPE." Rekodha muyero wemusanganiswa, zvekuwedzera, zvakadzokororwa zvemukati, zvakabuda, screw kumhanya, mota, kufa, firimu hupamhi uye ukobvu renji. Chete ipapo sarudza dhayamita, L / D, kudzika kwekudya, kunyunguduka mbiri, metering chikamu uye kana chipingamupinyi kana chikamu chekusanganisa chakakodzera.

Yera kupfeka sepairi-yakavakirwa nzvimbo, kwete sedhiyamita imwe sikuruu. Maka axial zviteshi kuburikidza nekudya, kumanikidza uye metering nzvimbo. Pachiteshi chega chega, rekodha sikurufa yekubhururuka kunze kwedhayamita uye dhiramu mukati medhayamita mumakona akawanda. Wobva waverenga diametral uye radial clearance zvakasiyana. Enzanisa mepu neyakare yakatenderwa kudhirowa kana dhizaini yakabvumiranwa zvakajeka. Kana uchinge uine zvidimbu zvakasakara chete, nyora mhedzisiro yacho sedata remamiriro. Usazviratidze sezviyero zvepakutanga.

Tsiva chete sikuruu kana yakayerwa mbiya yakaboora, kutenderera, chimiro chepamusoro uye kurongeka zvinoramba zvakakodzera sikuruu itsva yataurwa. Tsiva mativi ese ari maviri kana dhiramu rakurisa, ovhari, rakagezeswa kunze, rakakwenenzverwa kana marara zvakaringana zvekuti screw nyowani icharamba ichimhanya nekunyanyisa kana kusaenzana. Kana iwe usina zviyero zvakaboora, usafembera. Nzvimbo yedu yefekitari iri nyore: screw-chete quotation haifanirwe kubatwa seyekurudziro yakakwana yehunyanzvi kudzamara mamiriro ebhari atariswa.

Sarudza yakajairwa sikuruu yeyakagadzika, yunifomu pellet feed uye ine mwero kubuda kana nyore kushanda kuri iko kwekutanga. Sarudza chipingamupinyi chekuvharisa kana mutsara uchida kunyungudika kwakazara uye kugadzikana kubuda pamitengo yepamusoro, kunyanya yePE nePP. Sarudza siruu yekusanganisa kana kunyungudika-tembiricha kufanana, kugovera ruvara kana kuwedzera kupararira ndiro dambudziko guru. Zvipingamupinyi uye kusanganisa mabasa hazvisi zvakasarudzika. Nanhaiya's aluminium-plastic panel single screw, semuenzaniso, inoshandisa chipingamupinyi-mhando yekusanganisa chikamu kutsigira kunyunguduka, kunyunguduka-tembiricha kufanana uye kugoverwa kwemavara uye zvinodzoreredza moto.

Imwe screw extruder inokwira kana zvinhu zvichiyerera nemutsetse zvinomira kudzikama. Zvinowanzowanwa zvinosanganisira kudya kusingawirirani, screw-speed variation, kusagadzikana kwembiya tembiricha, kunyungudika kusina kukwana kana kusagadzikana, kushandura sikirini kana kufa kurambidzwa, kupfeka screw-and-barrel, uye downstream speed variation. Rekodha kunyungudika kunyungudika, mota yazvino, screw kumhanya, tembiricha yenzvimbo, chiyero chekudya uye kudzika kwerukova kumhanya pane imwecheteyo nguva usati wachinja marongero. Kana kumanikidza uye zvinobuda zvichifamba pamwe chete, ongorora iyo extruder uye nzira yekuyerera. Kana iyo extruder maitiro akaramba akagadzikana apo chigadzirwa chinochinja, tanga nekufa, kutonhora, vacuum, kuburitsa kana mhepo.