Extruders yog ib hom khoom siv yas, pib hauv xyoo pua 18th.
Extruders tuaj yeem muab faib ua txoj cai- lub kaum sab xis extruders thiab angled extruders raws li lub kaum sab xis ntawm cov khoom ntws kev taw qhia ntawm lub taub hau tuag thiab cov ntsia hlau centerline.
Ntsia hlau extruders cia siab rau lub siab thiab shear quab yuam generated los ntawm lub rotating ntsia hlau kom tag nrho plasticize thiab uniformly sib tov cov khoom, uas yog ces tsim los ntawm ib tug tuag. [2] Yas extruders tuaj yeem muab faib ua ntxaib- ntsia hlau extruders, ib zaug - ntsia hlau extruders, thiab tsawg dua ntau- ntsia hlau extruders thiab screwless extruders.
