Iimveliso ze-thermoforming zenziwe ngesiseko samaphepha, agqitywe yi-extruder. Iplastiki ibunjwe ibe yi-uniform inyibilika yinkqubo ye-extrusion, kwaye kule nkqubo ingcinezelo eyakhiwe nge-screw eqhubekayo yentloko ye-extruder.
Inkunkuma yeplastiki yinxalenye ebalulekileyo yenkunkuma eqinileyo. Ngokwezibalo, imveliso yonyaka yokupakishwa kweplastiki kwihlabathi jikelele yi-130 yezigidi zeetoni, kwaye i-50% yeemveliso zeplastiki zizinto ezilahlwayo,
Ukuba i-twin-screw extruder ihlulwe ibe ziinxalenye ezimbini eziphambili ze "extrusion" kunye "nokuhanjiswa", ngoko ke "inxalenye ye-extrusion" yinxalenye ephambili "yokuqinisekisa umgangatho", kwaye "inxalenye yokuhanjiswa" yinxalenye ephambili "yokuphucula ukusebenza kakuhle" kunye "nokuqinisekisa umgangatho".
Umbala we-Masterbatch, okwaziwa ngokuba zii-colorants, luhlobo olutsha lwe-ejenti ekhethekileyo yokufaka imibala kwimathiriyeli ye-polymer, ekwabizwa ngokuba yi-pigment preparation.
Iimathiriyeli zokhuni-zeplastiki ezidityanisiweyo ezifinyeziweyo njenge-WPC zenziwe ngeentsinga ze-biomass ezisezantsi ezifana ne-sawdust, iitshiphusi zokhuni, iitshiphusi ze-bamboo, amakhoba erayisi, ibran yerayisi, amaqokobhe e-peanut, i-cotton straw, njl njl. Zixutywe kunye nomlinganiselo othile wezinto ezisisiseko zeplastiki usebenzisa imigaqo ye-polymer interface chemistry kunye neempawu zokuzaliswa kweplastiki kunye nokuguqulwa. Emva kokucutshungulwa okukhethekileyo, zicutshungulwa kwaye zenziwe zibe yimathiriyeli esisiseko enokuphinda ibuyele umva kwaye iphinde isetyenziswe kunye noluhlu olubanzi lweemveliso kunye nezakhiwo ezahlukeneyo ze-morphological. Izixhobo zeWPC zineempawu ezintlanu:
I-meshing co rotating twin screw extruder esiyisebenzisayo kwinkqubo yethu yokuvelisa ineeparamitha eziphambili ezintandathu: incopho yobushushu, incopho yoxinzelelo, i-viscosity dissipation, isalathiso sokuxuba.