Cov txheej txheem plastics
Qhov kev hloov kho ntawm polymer extrusion tshuab tau muaj hloov kho cov plastics kev ua lag luam sawv cev rau ib qho ntawm qhov tseem ceeb tshaj plaws hauv daim teb no. Thaum lub tswvyim ntawm ntxaib - Screw Extrusion tshwm sim nyob rau hauv patents nyob rau hauv thawj lub twin {4} ntsia hlau extruder tshwj xeeb tsim rau polymer ua.
R. Colombo Pioneered lub co -}}}}} ntsia hlau extruden, cim ib lub sij hawm pivotal hauv keeb kwm ntawm polymer extrusion engineering.
Niaj hnub nimno Twin - Nyem rau ntsia hlau Extruder tau dhau los ua cov cuab yeej tsis tseem ceeb hauv lubThermoplastic ExcusionKev lag luam, muab kev lag luam zoo tshaj, txhim kho kev tswj hwm zoo dua qub, thiab cov khoom siv tshwj xeeb piv rau ib leeg {{0} ntsia thawv sib dhos.
Cov tshuab txawj ntse no tau hloov kho peb tus kheej tsim nyog, thiab rov xaiv dua tshiab rau cov ntawv thov kev tswj hwm thiab ua cov haujlwm.
Ib nyuag keeb kwm
1900s
Lub tswv yim ntawm ntxaib - ntsia hlau extrusion tawm hauv kev patents thaum ntxov, tso cov theoretical foundation rau kev txhim kho yav tom ntej.
1930s
Ltalis Cov Timkhawv ua tiav txoj kev txhim kho thawj zaug ntawm thawj lub twin {{0} Nyem rau ntsia hlau Extruder tshwj xeeb tsim rau polymer ua.
1960s
Kev loj hlob ntawm cov kab ke tawg cov kab ke no sawv cev rau qhov kev ntseeg tau yooj yim, txhim kho lub neej kev ntseeg tau thiab lub neej ua haujlwm ntawm Twin {{0} Screw Khoom Siv Hlau.
Niaj hnub no era
High - Torque Twin {}}} Nyem tsim cov kev ua haujlwm ntawm kev nrawm txog 1500 rpm, nrog kev nruam nruam hauv kev ua lag luam hauv kev ua haujlwm zoo thiab muaj peev xwm.
1.4.1 Twin - ntsia hlau geometry thiab kev teeb tsa
Cov qauv ntsuas duab ntawm ntxaib - ntsia hlau ntxiv los ntawm ib daim duab sib txawv hauv ib daim duab -} yim yim duab. Qhov kev teeb tsa tshwj xeeb no ua rau cov qauv ntws tawm thiab muaj kev sib xyaw ua ke uas tsis yooj yim sua kom ua tiav nrog ib qho kev tsim.
Cov txheej txheem polymer extrusion cov txheej txheem hauv ntxaib- Sckaub cov kev pab, thiab tsis muaj kev sib tw txhua yam, txhua qhov kev sib cuam tshuam rau cov kev siv tshwj xeeb.
Lub hau ntswj hauv niaj hnub nimno {{0} nyem ntsia hlau ib yam, tso cai cov txheej txheem los kho cov ntsia hlau teeb tsa kom phim cov kev cai tshwj xeeb. Cov qauv modular muaj xws li cov ntsiab lus ntawm cov ntsiab, cov blocks kneading, rov qab sib xyaw cov ntsiab lus uas tuaj yeem muab cov khoom sib xyaw tsis suav nrog.
Qhov yooj yooj yim ntawm cov qauv no ua rau cov txheej txheem ua kom zoopolymer extrusion txheej txheemRau cov ntaub ntawv sib txawv thiab cov khoom lag luam tshwj xeeb, ua rau twin {{0} nyem ntsia hlau ib puag ncig uas muaj peev xwm hloov pauv yog qhov tsim nyog.
Cov screwshating nruab nrab ntawm ob tus screws tsim ib qho kev ua ib puag ncig zoo los ntawm cov siab sib tw thiab tus kheej {{}} wiping ua. Qhov no tus kheej -}}}}}}}} cov ntaub ntawv rhiab heev lossis cov khoom siv tsis muaj peev xwm.
Tseem Ceeb Geometric nta
Intermeshoting ntsia hlau tsim nrog Daim duab -} yim lub thoob
Modular ntsia hlau ntsiab rau Customization
Tus kheej -} wiping txiav txim rau kev txhim kho cov khoom siv
Xws li thaj chaw deb
Ntau hom khoom siv rau cov txheej txheem tshwj xeeb
Precision ntshiab rau kev ua kom zoo tshaj plaws
1.4.2 Cov ntsiab cai ua haujlwm ntawm Twin -} ntsia hlau extrusion
Cov ntsiab cai ua haujlwm ntawm Twin - nyem ntsia hlau ntxiv los ntawm kev hloov kho lub ntsej muag zoo los ntawm cov screwssing intermesing. Qhov kev tso dag ua haujlwm no ua kom muaj cov khoom siv sib xws tsis hais txog kev sib txhuam coefficiiety ntawm cov khoom thiab lub thoob.
Co -} rotating ntxaib {{1} screws
Nyob rau hauv co -} rotating ntxaib, ob qho tib si scread sib hloov uas sib xyaw ua ke nrog Drow Drive, siab ntws, thiab ntws tawm cov khoom sib xyaw.
Cov khoom tau paub cov duab - yim cov lus tsa suab thaum nws mus ncig ua ke, rov hloov dua ntawm ob screws. Qhov kev hloov pauv hloov no tsim kev sib xyaw ua ke zoo heev thaum txoj kev nqaim tsis meej nyob hauv cheeb tsam interliching muab cov sib xyaw ua kom sib xyaw.
Txee - rotating ntxaib {{1} screws
Txee -}}}}}} Nyem cov ntsia hlau sib txawv, tsim cov txiaj ntsig sib txawv ntawm thaj chaw hauv Intermes.
Qhov kev teeb tsa no yog tsim tshwj xeeb rau kev ua cua sov -} Cov ntaub ntawv rhiab heev xws li cov kev mob nruj heev yog qhov tseem ceeb. Lub c {{2} Daim ntaub ua kom zoo nkauj tsim tau ntawm cov ntsia hlau ya muaj kev sib haum nrog cov khoom siv cua sov tsawg.
Cov Khoom Siv Tau
Khoom Noj Khoom Haus thiab Kev Thauj Tam Sim No
Melting
Kev hloov los ntawm cov khoom rau Molten State
Qhuav conveying
Thauj ntawm cov khoom siv molten
Kev sib xyaw
Homogenization ntawm cov khoom siv
Khoom siv dag ntxias
Kev tshem tawm ntawm volatiles thiab ya raws
Siab tiam
Lub Tsev Siab Rau Tuag Extrusion
"Twin - ntsia hlau ib qho kev faib tawm thiab kev xaiv cov khoom sib xyaw ua ke rau cov khoom siv uas xav tau cov khoom siv uas yuav tsum tau ua"
{{0- E} Spe Forgal of Polymer Ua, 2023
1.4.3 Cov Tshuab Tseem Ceeb thiab Systems
Dhau li ntawm Screws thiab Chim, ntxaib, ntxaib {0} Nyem cov khoom siv uas tseem ceeb tshaj plaws uas ua kom muaj kev ua tau zoo.
Kev noj mov
Feem ntau muaj cov khoom siv rau cov khoom siv kom raug, sawv cev rau cov khoom tseem ceeb hauv kev saib xyuas cov khoom lag luam zoo ib yam. Tsis zoo li ib qho {- ntsia hlau ib yam uas feem ntau cia siab rau ntawm dej nyab pub noj nyab xeeb, ntxaib- kev yuav tsum tau siv cov ntaub ntawv ntawm cov ntaub ntawv.
Tsim Qauv
Cov qauv kev tsim kho uas tso cai rau kev yoog raws li kev teeb tsa. Cov ntu ib tus neeg tuaj yeem ua kom sov lossis txias rau nws tus kheej thiab ntsuas kub kom haum raws li cov extruder ntev nrog cov kab txias txias.
Tsav Zog
Lub GEAVX yuav tsum tau xa hwj chim rau ob qho tib si screws thaum tswj hwm meej synchronization thiab tuav ntau cov kev xav tau. Cov qauv niaj hnub ua haujlwm ntawm kev nrawm ntawm 600 txog 1500 RPM, ua rau muaj kev cuam tshuam siab.
WeLust cov kabmob
Yuav tsum ua kom muaj axial rog ntau tsim tau lub sijhawm ua haujlwm. Cov qauv niaj hnub ua ke txuas cov ntaub ntawv siab thiab cov tshuab ua haujlwm uas ua haujlwm tsis tu ncua nyob rau hauv kev xav tau, ua haujlwm ntawm 1960 thev naus laus zis thev naus laus zis.
Ntxaib - ntsia hlau extruder tivthaiv cov pej xeem
1.4.4 Kev sib piv ua tau zoo thiab kev siv
Thaum sib piv cov ntxaib - Nyem rau ntsia hlau rau ib leeg- Cov cim ntsia hlau ua kom pom tseeb, ua rau lawv xaiv ntau rau ntau cov ntawv thov.
Metered pub mis muaj peev xwm
Pab kom meej meej tswj tau cov khoom dhau los, ywj siab ntawm cov khoom siv lossis kev ua haujlwm. Kev tsim nyog rau kev ua cov ntaub ntawv nrog kev sib txawv ntawm cov tuab lossis ntws.
Tsoo Lub Sij Hawm Sib Tw Sijhawm
Tseem ceeb nqaim tshaj nyob rau hauv ib leeg - ntsia hlau tshuab, nyob cuag cov khoom plig. Xyuas txhua yam khoom muaj kev paub zoo li thermal thiab sheat keeb kwm, ua rau muaj kev txhim kho cov khoom lag luam zoo sib xws.
Self -} wiping txiav txim
Tiv thaiv cov khoom siv stagnation thiab kev tsis txaus ntseeg, ua rau ntxaib - cov khoom siv rhiab lossis cov khoom siv nquag.
Kev nyuaj siab devolatilization
Kev txuas ntxiv zoo nkauj tau tsim los ntawm cov screwssing intermeshing, ua ke nrog ntau qhov kev tawm tsam volatiles, ua kom muaj txiaj ntsig zoo ntawm kev hloov pauv, noo noo, thiab cov tshuaj tiv thaiv.
Zog Efficiency
Cov kev tshawb fawb tau pom lub zog txuag tau txog li 50% piv rau ib leeg- Screw cov txheej txheem ua cov tib yam ntawm sib npaug ntawm cov neeg sib xyaw ua ke.
Txheej Txheem Versatility
Modular destre rau rau kev txhim kho kev txhim kho rau cov ntaub ntawv thiab cov txheej txheem maj mam ua, nrog lub peev xwm los qhia cov ntaub ntawv ntawm ntau cov ntsiab lus.
Kawm Kev Lag Luam Kev Kawm
ZOV PLASTICS ExtraTubeInc tau tshaj tawm cov kev ua haujlwm tseem ceeb tom qab kev hloov pauv ntawm ib qho {}} scread to twin {} Screite thev naus laus zis rau lawv cov haujlwm sib sau:
- 35% txo qis hauv kev siv hluav taws xob
- 28% nce rau hauv kev tawm los ntawm tus nqi
- Txhim kho cov khoom lag luam muaj txiaj ntsig nrog 40% txo qis hauv variation
- Txuas ntxiv ntau lawm khiav ntawm kev tu cycles
- Nthuav cov khoom siv cov peev xwm ua tau
1.4.5 Kev tswj qhov kub thiab cov txheej txheem ua kom zoo
Kev tswj kom kub kub hauv ntxaib - ntsia hlau extrusion ntawm cov khoom tseem ceeb ntawm cov khoom lag luam zoo, kev tawm mus, thiab cov cuab yeej ua kom ntev. Qhov kub thiab txias profile raws li tus extruder yuav tsum tau ua kom zoo nkauj kom ntseeg tau tias txoj kev ua kom zoo, thiab cov khoom sib xyaw ua ke thaum tsis txhob muaj cua sov lossis ntau dhau shear.
Niaj hnub nimno Twin - ntsia hlau extruders feature sophistic cov kev kub siab uas siv tau meej kev tswj hwm kub hla ntau thaj chaw thoob plaws lubExtruding Cov Txheej Txheem Tsim .
Kev tsim nyog tsim nyog cov txheej txheem kub rau pelletizing kev ua haujlwm yuav tsum suav nrog cov khoom siv, los ntawm cov khoom ntiag tug, thiab xav tau cov yam ntxwv ntawm cov khoom lag luam. Rau semicrystalline polymers, qhov chaw pub mov kub yog feem ntau tswj hwm cov khoom siv kom zoo nkauj los ua kom yooj yim melting thiab sib xyaw.
Nyob rau hauv pelletizing cov ntawv thov, cov tuag kub yog sawv cev rau ib qho tseem ceeb uas cuam tshuam pellet zoo, txiav kev ua tau zoo, thiab kev ruaj khov ntau. Cov tuag kub yuav tsum tau ua kom zoo rau kev ua kom zoo melt viscosity rau kev ntxuav cov teeb meem xws li cov drool lossis pellet agglomeration.
Cov cua txias yuav tsum tau rau twin -} ntsia hlau ib qho ntxiv txuas ntxiv dhau yooj yim tswj qhov kub thiab txias. Kev sib xyaw ua ke thiab cov ntsia hlau siab muaj peev xwm tsim cov cua sov ntau ntau uas yuav tsum tswj hwm los ntawm cov tswv yim txias.
Kev Ua Kom Txias Tshuab
Ntsia hlau ntsia hlau txias rau qhov kub -} Cov ntaub ntawv rhiab
Kev ua kom muaj zog heev nrog kev tswj qhov kub thiab txias
Tshwj xeeb ven storing thawv los tiv thaiv kev kub ntxhov
Kaw -} nplai dej txias tshuab nrog tshav kub sib pauv
Tsis siv neeg hloov ntsuas kub raws cov txheej txheem
Tuag kub tswj
Advanced Pelletizing cov tshuab ua ke tsis siv neeg tuag phaj ntsuas uas tswj hwm kev ua kom zoo rau kev sib txawv ntawm kev sib txawv ntawm cov nqi thiab cov khoom siv.
Cov ntsuas tseem ceeb suav nrog melt viscosity kev tswj hwm, tiv thaiv ntawm cov drool tuag, thiab ua kom tiav cov pellet tsim thiab txias.
Cov ntawv thov siab thiab yav tom ntej kev txhim kho
Cov versatility ntawm ntxaib - Screwing Extrusion Technology tau qhib nws cov kev yuav txais cov peev txheej txuas ntxiv, txuas ntxiv ntawm kev siv.
Polymer compounding
Excel ntawm kev sib xyaw ua ke cov chaw ntim khoom ntawm cov fillers, thiab ntxiv thaum tswj kev sib cais zoo nrog cov khoom siv khoom siv.
Refreive extrusion
Ua raws li cov tshuaj siv tshuaj tsis tu ncua rau polymerization, grafting, thiab kev tawm tsam thiab kev ua haujlwm zoo, ua kom ntau dua cov polymers tshwj xeeb.
Kws ua
Siv rau kub yaj txiav tsis tau, kev npaj txuas ntxiv mus ntxiv, thiab kev txhawb nqa tau rau kev txav mus rau tom kev ua lag luam txuas ntxiv.
Kev Ua Noj
Siv rau hauv ntau cov txheej txheem khoom noj khoom haus uas yuav tsum tau ua kom haum siv kom haum, thiab kev tswj hwm qhov ntsuas kub rau cov khoom noj tshwj xeeb.
Kev cog qib yav tom ntej
Ultra - high - ceev systems
Kev loj hlob ntawm cov tshuab muaj peev xwm ntawm kev ua haujlwm nrawm tshaj 2000 RPM, ua rau muaj kev tswj hwm siab dua thiab tswj kev ua haujlwm zoo dua qub.
Advanced Screw Designs
Kev suav cov dej muaj cov dej ua kom zoo dua ntawm cov ntsia hlau geometries rau kev siv zog ua kom zoo, txo kev noj hluav taws xob, thiab txhim kho cov khoom siv.
Tus Neeg Saib Xyuas Cov Tshuab
{-} txheej txheem kev ua kom zoo siv ai thiab tshuab kev ua kom haum rau cov khoom sib txawv thiab ua kom muaj cov xwm txheej zoo.