Plasticizing chungchanga zirlaibu-ah chuan screw-a solid conveying section-a plastic chu plastic granule inkara inherna awm lo, solid bed angin an ngai tlangpui. Chumi hnuah chuan he solid bed leh barrel wall, screw feed surface leh screw channel surface inkara ideal state of motion leh friction chu chhut chhuakin hmalam panna speed chu an chhut a ni.
Hetiang approach hi thil tak tak nen a danglam hle a, plastic granules chi hrang hranga ei tur pek dan thlirletna atan hman theih a ni lo. Plastic granules te hi a te a nih chuan barrel wall-in hmalam a lak angin an stratify ang a, an tumble ang a, zawi zawiin an compacted a, solid plugs an siam ang. Granules te diameter chu screw channel thuk zawng nen a inang deuh a nih chuan an trajectory chu a bul berah chuan screw channel zawh zawnga linear motion radially a ni a, chubakah angle tlemte nei linear motion a ni bawk. Granule lian tak tak a nih chuan plastic chu screw channel-ah a zawi zawia dah a nih avangin conveying speed a slow hle. Granules te chu compression section chhunga an luh veleh an diameter chuan screw channel thuk zawng a pelh theih khawpa lian a nih chuan plastic chu screw leh barrel inkarah a innghat ang. Plastic granules flatten nana force mamawh hneh turin hmalam panna chakna a tling tawk lo a nih chuan plastic chu screw channel-ah a awm reng ang a, hmalam a pan lo ang.
Plastic hian a melting point a hnaih chuan barrel nena inzawm plastic chu a hmin tan a, molten film a siam ta a ni. He molten film thickness hian screw leh barrel inkar gap a pelh chuan screw ribs tip chuan molten film chu barrel chhung lam bang atang chuan screw ribs zung lam pan chuan radial takin a scrape a, zawi zawiin screw hmalam panna surface-a vortex-like flow zone-the molten pool--ah a inzawm khawm a ni ribs a ni.
Melten section-a screw channel thuk zawng chu a thuk lo zauh zauh a, molten pool-a compression a nih avangin solid bed chu barrel chhung lam bang lam hawiin a nawr luih a, chu chuan hot barrel atanga solid bed-a heat transfer process chu a ti chak hle a ni. Chutih rual chuan screw rotation hian solid bed leh barrel chhung lam bang inkarah molten film-ah shearing action a siam a, molten film leh solid bed inkar interface-ah solid chu a melt a ni. Solid bed chu hmalam pan zelin a volume chu a tlahniam zauh zauh a, molten pool volume erawh a pung zauh zauh thung. Solid bed thickness tlahniam rate chu screw channel depth tlahniam rate aiin a hniam zawk a nih chuan solid bed hian screw channel chu a then emaw, a pum emaw a block thei a, plasticization-ah inthlak danglamna a thlen thei a, local pressure sang lutuk leh frictional heat sang lutuk avanga localized overheating a thlen thei bawk.
Screw homogenization section-ah chuan solid bed chu a lian lo avangin a chhe tawh a, molten pool-ah solid particle te te a darh ta a ni. Heng solid particle te hi a chhehvel melt nen friction leh heat transfer hmangin an melt thin. Hetih lai hian screw hnathawh ber chu plastic melt chu uniform mixing a awm theih nan agitate a ni. Melt velocity distribution hi barrel wall bula speed sang ber atanga screw channel hnuai lama speed hniam ber thlengin a awm a ni. Screw channel thuk zawng chu a thuk lo va, melt viscosity a sang a nih chuan melt molecule inkara friction chu a nasa hle ang.
Melting rate, melt viscosity, melting temperature range, temperature leh shear rate-a viscosity sensitivity, high-temperature decomposition gas-te corrosiveness, leh plastic particle-te inkara friction coefficient-a danglamna nasa tak avang hian ordinary general-purpose screw-te chuan melt danglam tak hmanga plastic an process hian section thenkhatah shear heat sang lutuk an tawk thei a ni mizia (PC, PA, . high-molecular-weight ABS, PP-R, PVC, etc.) te a ni. He thil thleng hi a tlangpuiin screw speed tihhniam hian tihbo theih a ni a, mahse hei hian production efficiency a nghawng ngei ang. Heng plastic te hi plasticization tha tak neih theih nan kan company chuan heng plastic te hi specialized plasticizing screw leh barrel te kan siam chhuak a. Heng specialized screw leh barrel te hi a chunga kan sawi tak plastic te solid friction coefficient, melt viscosity, leh melting speed te ang chi thil pawimawh tak tak te ngaihtuah turin an siam a ni.
