Plasticizing hte seng ai laika buk ni hta, screw a ngang kang ai htawt sit ai daw hta nga ai plastic hpe plastic granules lapran shamu shamawt ai lam n nga ai ngang kang ai yupku zawn, laksan hku nna masat da ai. Dai hpang, ndai ngang kang ai yupku hte barrel bunghku, screw feed surface, screw channel surface lapran na shamu shamawt ai lam hte shingjawng ai lam a kaja dik ai masa hpe sawn la nna, shawng de htawt sit ai lawan ai lam hpe dawdan ai.
Ndai ladat gaw tengman ai lam hte grai shai ai majaw, hkrang n bung ai plastic granules ni hpe lusha jaw sha ai lam hpe sawk sagawn na matu n mai lang ai. Plastic granules ni kaji ai rai yang, barrel bunghku hku nna shawng de gang shadut ai shaloi, shanhte gaw stratify byin nna, hkrat sum mat nna, kalang lang shinggrup nna, ngang kang ai plugs ni byin wa na re. Granules ni a diameter gaw screw channel a sung ai hte maren sha rai yang, shanhte a lam gaw madung hku nna screw channel hku radial hku linear shamu shamawt ai lam rai nna, dai hta n-ga, angle loi mi lawm ai linear shamu shamawt ai lam rai nga ai. Hpa majaw nga yang, plastic gaw granules kaba ai shaloi screw channel kata kaw loi loi hte lajang da ai majaw, htaw sa ai lam gaw loi loi sha rai nga ai. Dai granules ni gaw, compression daw de shang wa ai shaloi, shanhte a diameter gaw screw channel sung ai hta jan mat hkra kaba wa ai shaloi, plastic gaw screw hte barrel lapran hta n-gun rawng mat na re. Plastic granules ni hpe shinggrup na matu ra ai n-gun hpe lai di lu na matu shawng de gang shadut ai n-gun n law yang, plastic gaw screw channel kata kaw naw rawng nna shawng de n sa mat na re.
Plastic gaw shi a hka lim ai shara de du wa ai shaloi, barrel hte matut mahkai ai plastic gaw hka lim hpang wa nna, hka lim ai film byin wa ai. Ndai hka lim ai n-gun gaw screw hte barrel lapran na gap hpe lai mat wa ai shaloi, screw n-gup magap a npawt gaw hka lim ai n-gup magap hpe barrel kata na bunghku kaw nna screw ribs a npawt de radial hku shinggrup nna, kalang lang vortex-ol zawn re ai flow zone the{ten}} the{ten}}the de shinggrup kau ya ai. ntsa lam screw n-gang ni.
Molten section kaw na screw channel depth hpe loi loi hte shayawm kau ai majaw, molten pool hpe shinggrup kau ai majaw, solid bed hpe barrel kata na bunghku de atik anang shadut kau ya ai majaw, hot barrel kaw nna solid bed de heat htawt sit ai lam hpe lawan ladan galaw ya lu ai. Dai hte maren, screw hpe shinggrup ai gaw, n-gun ja ai n-gang hte barrel kata na bunghku lapran na n-gun ja ai n-gang ntsa e shearing action byin shangun nna, n-gun ja ai n-gang hte n-gun ja ai n-gang lapran na interface kaw n-gun ja ai n-gang hpe n-gun ja ai n-gang hpe shayawm kau ya ai. Dai n-gun ja ai yupku gaw shawng de shinggrup wa ai shaloi, shi a nsen gaw loi loi hte yawm mat nna, hka lim ai hka htung a nsen gaw loi loi hte jat wa ai. Dai zawn re ai n-gun yawm wa ai n-gun gaw, screw channel sung ai n-gun yawm wa ai n-gun hta yawm ai rai yang, n-gun ja ai n-gun gaw screw channel hpe daw mi (sh) tsep kawp pat kau ya lu ai majaw, plasticization hta galai shai ai lam ni byin chye ai, shing nrai, grai law ai local pressure hte frictional heat law wa ai majaw, localized overheating byin wa chye ai.
Screw a homogenization daw hta, solid bed gaw kaji ai majaw, n-gun n rawng ai hka htung kata de bra ayai nga ai solid particle kaji ni byin pru wa ai. Ndai solid particles ni gaw grup yin na melt ni hte rau shingjawng ai hte katsi ai hpe htawt sit ai hku nna lwi mat wa ai. Ndai shara kaw, screw a madung bungli gaw, plastic melt hpe n-gun jaw nna, langai sha re ai hku kayau kaya galaw na matu re. Melt velocity garan ginhka ai lam gaw barrel bunghku makau na lawan dik ai kaw nna screw channel a npu makau na kaji dik ai lawan ai du hkra rai nga ai. Screw channel a sung ai shara gaw n-gun n law ai rai nna, melt viscosity grai law ai rai yang, melt molecule ni a lapran na shingjawng ai lam grai ja wa na re.
Hpa majaw nga yang, hka lim ai n-gun, hka lim ai n-gun, hka lim ai n-gun n-gun, hka lim ai n-gun hte hka lim ai n-gun hpe hkam sha lu ai atsam, n-gun kaba ai -n-gun rawng ai n-gun rawng ai nbung ni a n-gun rawng ai lam, plastic n-gun rawng ai n-gun rawng ai n-gun rawng ai nbung ni a n-gun rawng ai lam, plastic n-gun rawng ai n-gun rawng ai n-gun rawng ai lam ni hta grai shai hkat ai majaw, ordinary general se-purpose excess atly screws ni hta hkam sha lu ai. laklai ai melt arawn alai ni lawm ai plastic ni (PC, PA, n-gun kaba ai ABS, PP, PVC, etc.). Ndai mabyin hpe screw a lawan ai hpe shayawm kau ai hku nna madung hku nna yeng seng kau lu ai, raitim ndai gaw n mai koi yen ai sha galaw shapraw ai atsam hpe hkra machyi shangun ai. Ndai plastic ni hpe atsawm sha plastic galaw lu na matu, anhte a company gaw ndai plastic ni a matu laksan plastic galaw ai screw hte barrel ni hpe galaw shapraw da ai. Ndai laksan screw hte barrel ni hpe gaw, lahta e tsun lai wa sai plastic ni a solid friction coefficient, melt viscosity, melt speed zawn re ai madung lam ni hpe hparan na matu galaw da ai re.
