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Distributive mixing inoparadzira zvikamu kuburikidza nekunyunguduka; dispersive mixing breaks agglomerates kana kuderedza saizi yechikamu chakapararira. A twin-screw configuration inowanzoda zvose zviri zviviri, asi chiyero chinofanira kutevera chikanganiso uye kugadzirwa panzvimbo pekuda kwekugera kwepamusoro. Chekutanga tsvaga dambudziko, wozofananidza kusanganisa mhando mukati memutsara wekupisa uye wemagetsi.

Sarudza conical twin screw extruder kana parallel twin screw extruder nePVC magadzirirwo, inodiwa hwindo rekugadzira uye gadziriso yemuchina, kwete iyo geometry label chete. Enzanisa akaenzana maitiro ekuita, wobva watarisa inogamuchirwa inobuda, mhando yechigadzirwa, kushandiswa kwesimba uye kuenderana kwemuchina. Kune mutsara uripo, sarudza kana iwe uchida zvekutsiva zvikamu kana imwe dhizaini yemuchina usati wakumbira kotesheni.

Extruder screw pitch ndiyo axial spacing pakati pendege dziri pedyo; lead is the axial advance of the same helix through one full turn. Iwo akaenzana pane yakajairwa imwe-yekutanga chikamu, asi kwete pane yega screw. Sarudza shanduko inotungamira nemhedzisiro yayo pakudyisa, kunyungudika uye kumanikidza kuendesa, pane kufunga kuti nzvimbo yakafara inovimbisa kubuda kwakanaka.

Extruder screw chiteshi kudzika inotsanangura nzvimbo iri pakati pescrew root uye yakatsanangurwa yekunze referensi. Iyo yakadzika chiteshi inopa yakawanda nzvimbo, asi haingozvibudisi yakawedzera yakanaka kubuda kupokana nekufa kuramba. Sarudza iyo mbiri nekudyisa kwayo, kunyunguduka uye kupomba mabasa, nehukuru chaihwo, zvinhu uye dhiramu rekufananidza rakatsanangurwa.

Single screw extruder L/D reshiyo ndiyo yakataurwa kureba yekushanda yakakamurwa neinominasi screw diameter. Sarudza iyo nenzvimbo inodiwa yekudyisa, kunyunguduka, kusanganisa, kufambisa mhepo uye kudzvanywa kwekusimudzira, kwete nekufungidzira kuti yakareba screw inoburitsa zvimwe zvinobuda. Simbisa zviyero zvekuyera uye kuenderana kwemuchina usati waenzanisa makotesheni.

Extrusion screw compression ratio inotsanangura kudzikiswa kwevhoriyamu yechiteshi kubva pakudyisa kuenda kumita; kune akajairwa screws ane mutobvu mumwechete munzvimbo dzese dziri mbiri, anowanzo kuratidzwa sekudzika kwenzira yekudya yakakamurwa nekudzika kwe metering chiteshi. Sarudza iyo nehudzamu chaihwo, hurefu hwekuchinja, feedstock uye dhizaini dhizaini, kwete kubva pazita repolymer chete. A yepamusoro reshiyo haisi otomatiki ari nani sikuruu.