Cov khoom siv niaj hnub yas yog cov khoom siv hauv lub neej txhua hnub, thiab lawv cov kev tsim khoom yog nyob ntawm kev siv tshuab hu ua txhaj tshuaj molding. Jinzhong, ua tus xa khoom loj ntawm kev txhaj tshuaj- cov khoom pwm, ua kom pom qhov loj - nplai daim ntawv thov ntawm cov thev naus laus zis no hauv nws cov haujlwm tsim khoom. Yuav kom nkag siab txog cov yam ntxwv ntawm thaj av cov khoom, nws yog ib qho tsim nyog yuav tsum tau pib los ntawm kev tshuaj xyuas cov tshuab txhaj tshuaj molding nws tus kheej.
Kev txhaj tshuaj molding yog qhov tseem ceeb ntawm cov txheej txheem ntawm lub cev. Nws pib nrog cov khoom siv thermoplastic, feem ntau yog hauv daim ntawv granular. Cov granules no tau muab tso rau hauv lub tog raj kheej cua sov ntawm lub tshuab txhaj tshuaj molding, qhov chaw uas lawv yaj nyob rau hauv kev sib hloov thiab shearing txiav txim ntawm cov ntsia hlau, transforming mus rau hauv viscous yaj. Qhov kev hloov pauv no yog thim rov qab, muab lub hauv paus rau kev molding tom ntej thiab rov ua dua tshiab.
Thaum cov yaj mus txog qhov ntsuas kub thiab homogeneity, lub tshuab txhaj tshuaj nkag mus rau theem siab -siab txhaj tshuaj. Nyob rau hauv muaj zog thrust, lub yaj yog yuam los ntawm lub nozzle thiab khiav system ntawm kev kub ceev mus rau hauv lub kaw pwm kab noj hniav. Cov pwm feem ntau yog ua los ntawm precision-machined hlau, thiab nws cov kab noj hniav zoo sib xws rau cov khoom kawg. Cov yaj sai sai ua rau txhua qhov me me ntawm cov kab noj hniav nyob rau hauv siab.
Tom qab sau, lub siab yog khaws cia kom them nyiaj rau cov khoom shrinkage vim txias, ua kom pom tseeb cov khoom contours thiab seem stability. Tom qab ntawd, qhov nruab nrab cua txias, xws li cov dej ntws, yog nkag mus rau hauv pwm kom maj mam solidify cov yas molten, xa rov qab los ntawm cov dej khov rau hauv lub xeev. Lub sijhawm ua kom txias ncaj qha cuam tshuam rau kev ua haujlwm ntawm cov khoom lag luam thiab cov kev ntxhov siab sab hauv ntawm cov khoom.
Thaum cov pwm qhib, cov khoom yas molded yog ejected los ntawm ejector mechanism. Qhov no ua tiav ib lub voj voog txhaj tshuaj molding. Cov khoom tom qab ntawd nkag mus rau theem tom ntej trimming thiab tshuaj xyuas, thaum lub pwm kaw dua, npaj rau lub voj voog tom ntej. Tag nrho cov txheej txheem yog automated, nrog lub voj voog lub sij hawm ntsuas nyob rau hauv vib nas this, ua tau zoo heev nruam ntau lawm. Piv nrog rau lwm cov txheej txheem yas molding xws li tshuab moulding lossis rotational molding, txhaj tshuaj molding muaj qhov zoo ntawm kev tsim khoom nrog cov qauv nyuaj, qhov ntev, thiab cov ntsiab lus nplua nuj. Piv txwv li, lub thawv yas hau nrog ntau lub snaps thiab textures tuaj yeem molded nyob rau hauv ib kauj ruam siv kev txhaj tshuaj molding, uas tej zaum yuav nyuaj rau ua tiav los yog yuav tsum tau ua lwm yam txheej txheem. Qhov no ua rau kev txhaj tshuaj molding yog qhov kev xaiv tseem ceeb hauv kev lag luam khoom siv.
Txawm li cas los xij, kev txhaj tshuaj molding tshuab kuj muaj nws cov kev txwv. Tus nqi pib siab ntawm pwm ua rau lawv tsis tsim nyog rau me me heev -batch sim ntau lawm. Tus tsim thiab tsim theem ntawm pwm ncaj qha txiav txim siab lub siab txwv ntawm qhov zoo thiab qhov tseeb ntawm cov khoom kawg. Jinzhong cov khoom muaj peev xwm tsis yog tsuas yog cuam tshuam nrog cov tshuab txhaj tshuaj molding, tab sis kuj tseem vam khom rau cov txheej txheem kev tsim pwm, tsim khoom, thiab kev saib xyuas tom qab lawv.