Tshuab moulding yog ib tug dav siv thev naus laus zis hauv kev tsim cov khoom yas, feem ntau rau kev tsim cov khoom yas zoo xws li cov chaw ntim khoom, qhov chaw tsheb, thiab tso tsheb hlau luam. Nws cov ntsiab cai tseem ceeb yog siv cov cua compressed kom muaj cua sov, softened yas paronis rau hauv cov pwm sab hauv. Tom qab txias, cov khoom yog tsim rau hauv cov qauv hollow. Cov qauv no tshwj xeeb kev siv zog siab, kev siv khoom siv tau zoo heev, thiab kev haum rau cov loj {3} ntsuas ntau lawm.
Blow molding is primarily categorized into three processes: extrusion blow molding, injection blow molding, and stretch blow molding. Extrusion tshuab moulding yog cov qauv feem ntau. Yas yog melted thiab extruded rau hauv lub tubular parison los ntawm extruder. Lub pwm yog mam li kaw thiab compressed cua tau qhia los tsim cov parison rau hauv cov pwm kab noj hniav. Kev txhaj tshuab moulding pib los ntawm txhaj tshuaj molding ib parison nrog ib puag, uas yog tom qab ntawd hloov mus rau lub tshuab pwm kom tiav cov qauv hollow. Hom no yog tsim nyog rau cov khoom me uas yuav tsum tau muaj qhov tseeb siab. Ncab tshuab moulding ntxiv ib qho kev ncab ncab ua ntej tshuab moulding, txhim kho cov khoom lag luam cov tshuab ua haujlwm thiab pob tshab. Nws yog ib qho siv nyob rau hauv kev tsim cov tsiaj roj.
Cov ntsiab lus tseem ceeb muaj feem cuam tshuam zoo ntawm tshuab pwm pwm suav nrog cov khoom siv raw, txheej txheem ntsuas ntsuas, thiab pwm tsim. Cov tshuab moulding xws li polyethylene (PE), polypropylene (PP), thiab polyethylene terephthalate thiab tus tsiaj), uas xav tau zoo heev melt lub zog thiab thermal stability. Cov txheej txheem tsis xws li yaj kub, tshuab siab kub, thiab lub sijhawm txias yuav tsum tau ua kom tsis txhob muaj teeb meem xws li cov phab ntsa tuab thiab kev nyuaj siab. Pwm Tsim Qauv ncaj qha cuam tshuam kev ua kom pom kev ua tau zoo thiab cov khoom pom tsos, yuav tsum tau muab cov khoom kom zoo tso rau hauv lub tshuab thiab txias.
Cov txheej txheem thev naus laus zis tau ua rau rov tshwm sim ntawm cov txheej txheem tshiab xws li multi {{{{{{1} tshuab moulding, txuas ntxiv mus rau cov ntawv thov cov xwm txheej ntawm tshuab pwm. In the future, combined with automated control and digital simulation technologies, blow molding will continue to develop in the direction of lightweighting and precision, meeting the demands of high-end manufacturing.
