Ob leeg ntawm cov txheej txheem no yog siv los ua qhov hollow, seamless seem ntawm thermoplastic polymers.Kev sib hloov molding kuj tseem siv tau rau cov thermosets.Qhov loj me me los ntawm lub raj mis yas me me ntawm 5 ml (0.15 oz) mus rau lub nruas loj ntawm 38,000 l (10,000 gal) muaj peev xwm.Txawm hais tias ob txoj kev sib tw hauv qee kis, feem ntau lawv tau pom lawv tus kheej niches.Tshuab moulding yog tsim nyog rau cov khoom loj ntawm cov ntim me me pov tseg, thaum rotational molding nyiam cov duab loj loj.
Tshuab moulding yog txheej txheem molding nyob rau hauv uas huab cua siab yog siv los inflate mos yas rau hauv pwm kab noj hniav.Nws yog ib qho tseem ceeb ntawm kev lag luam txheej txheem rau kev ua ib qho hollow yas qhov chaw nrog nyias phab ntsa, xws li lub raj mis thiab cov thawv zoo sib xws.Txij li ntau yam ntawm cov khoom no yog siv rau cov neeg siv khoom haus rau kev lag luam loj, ntau lawm feem ntau yog tsim rau ntau qhov ntau.Cov thev naus laus zis yog qiv los ntawm kev lag luam iav uas cov yas sib tw hauv lub lag luam pov tseg lossis rov ua dua tshiab.
Extrusion Tshuab Moulding.Daim ntawv no ntawm tshuab moulding muaj lub voj voog qhia hauv qab no.Feem ntau, cov txheej txheem tau teeb tsa raws li kev ua haujlwm siab heev rau kev ua lub raj mis yas.Cov kab ke yog automated thiab feem ntau ua ke nrog kev ua haujlwm qis xws li lub raj mis filling thiab labeling.Nws feem ntau yog qhov yuav tsum tau ua kom lub thawv tshuab kom nruj, thiab rigidity nyob ntawm phab ntsa thickness ntawm lwm yam.
Txhaj Tshuab Moulding.Hauv cov txheej txheem no, qhov pib parison yog txhaj molded es tsis yog extruded.Ib qho yooj yim ua raws li tau piav qhia hauv qab no.Piv nrog rau nws cov extrusion-raws li tus neeg sib tw, cov txheej txheem txhaj tshuaj molding muaj tus nqi qis dua, uas piav qhia vim li cas nws tsis tshua siv.
Nyob rau hauv ib tug variation ntawm txhaj tshuaj molding, hu ua stretch tshuab moulding, lub tshuab nqus tsev pas nrig txuas downward mus rau hauv lub txhaj tshuaj molded parison thaum lub sij hawm lub kauj ruam 2, yog li stretching lub mos yas thiab tsim ib tug ntau haumxeeb stressing ntawm lub polymer tshaj cov pa txhaj tshuab moulding los yog extrusion tshuab molding. .Cov qauv tsim tau nruj dua, nrog cov pob tshab ntau dua thiab muaj kev cuam tshuam zoo dua.Cov khoom siv dav tshaj plaws rau kev ncab tshuab moulding yog polyethylene terephthalate (PET), polyester uas muaj permeability tsawg heev thiab muaj zog los ntawm cov txheej txheem stretch-blow-molding.Kev sib xyaw ua ke ntawm cov khoom ua rau nws zoo tagnrho ua lub thawv rau cov dej haus carbonated.
Cov khoom siv thiab cov khoom siv.Tshuab moulding yog txwv rau cov thermoplastics.Polyethylene yog cov polymer feem ntau siv rau tshuab moulding;tshwj xeeb, siab ceev thiab siab molecular hnyav polyethylene (HDPE thiab HMWPE).Hauv kev sib piv lawv cov khoom nrog cov tsis tshua muaj siab PE muab qhov yuav tsum tau ua kom nruj rau hauv cov khoom kawg, nws yog qhov siv nyiaj ntau dua los siv cov ntaub ntawv kim dua vim tias cov thawv ntim cov phab ntsa tuaj yeem ua thinner.Lwm cov tshuab mouldings yog ua los ntawm polypropylene (PP), polyvinylchloride (PVC), thiab polyethylene terephthalate.
Cov thawv ntim khoom pov tseg rau ntim cov khoom siv ua kua yog qhov loj ntawm cov khoom tsim los ntawm tshuab moulding;tab sis lawv tsis yog cov khoom nkaus xwb.Lwm yam khoom muaj xws li cov nruas loj thauj khoom (55 nkas loos) rau cov kua thiab hmoov, cov tso tsheb hlau luam loj (2000 nkas loos), tsheb roj av tso tsheb hlau luam, cov khoom ua si, thiab cov hulls rau nkoj nkoj thiab nkoj me.Nyob rau hauv tas li ntawd, ob lub nkoj hulls yog ua nyob rau hauv ib lub tshuab molding thiab tom qab txiav mus rau hauv ob qhib hulls.
Post lub sij hawm: Mar-15-2016