Nrog rau ntau thiab ntau lub tuam txhab siv cov tshuab ntim khoom siv ceev ceev, cov teeb meem zoo xws li lub hnab tawg, tawg, delamination, tsis muaj zog thaum tshav kub kub sealing, thiab sealing paug uas feem ntau tshwm sim nyob rau hauv high-speed automatic ntim txheej txheem ntawm saj zawg zog.ntim zaj duab xistau maj mam dhau los ua cov txheej txheem tseem ceeb uas cov lag luam yuav tsum tau tswj.
Thaum tsim cov yob zaj duab xis rau high-speed automatic ntim tshuab, saj zawg zog ntim lag luam yuav tsum xyuam xim rau cov ntsiab lus hauv qab no:
Kev xaiv cov khoom siv nruj
1. Cov khoom xav tau rau txhua txheej ntawm cov yeeb yaj kiab dov
Vim cov khoom siv sib txawv ntawm lub tshuab ntim khoom siv ceev ceev piv rau lwm lub hnab ua tshuab, nws lub siab tsuas yog tso siab rau lub zog ntawm ob lub chais los yog kub nias strips sib tov kom ua tiav cov cua sov sealing, thiab tsis muaj cov khoom cua txias. Lub tshuab luam ntawv txheej zaj duab xis ncaj qha hu rau cov khoom siv thaum tshav kub kub sealing yam tsis muaj kev tiv thaiv ntawm rwb thaiv tsev ntaub. Yog li ntawd, kev xaiv cov ntaub ntawv rau txhua txheej ntawm high-speed printing nruas yog ib qho tseem ceeb tshwj xeeb.
2. Lwm yam khoom ntawm cov khoom yuav tsum ua raws li:
1) Sib npaug ntawm zaj duab xis thickness
Lub thickness, nruab nrab thickness, thiab nruab nrab thickness kam rau ua ntawm yas zaj duab xis kawg yog nyob ntawm seb thickness tshuav ntawm tag nrho cov zaj duab xis. Nyob rau hauv cov txheej txheem ntau lawm, lub thickness uniformity ntawm zaj duab xis yuav tsum tau tswj kom zoo, txwv tsis pub cov khoom tsim tsis yog cov khoom zoo. Cov khoom lag luam zoo yuav tsum muaj qhov sib npaug tuab ntawm ob qho tib si longitudinal thiab transverse cov lus qhia. Vim tias cov yeeb yaj kiab sib txawv muaj qhov sib txawv, lawv qhov nruab nrab thickness thiab nruab nrab thickness kam rau ua kuj txawv. Lub thickness sib txawv ntawm sab laug thiab sab xis ntawm high-speed automatic ntim zaj duab xis yog feem ntau tsis ntau tshaj 15um.
2) Optical zog ntawm nyias zaj duab xis
Hais txog qhov haze, transparency, thiab lub teeb transmittance ntawm ib zaj duab xis nyias.
Yog li ntawd, muaj cov kev cai tshwj xeeb thiab kev tswj hwm rau kev xaiv thiab tus nqi ntawm masterbatch additives hauv zaj duab xis dov, nrog rau kev pom zoo. Nyob rau tib lub sijhawm, qhov qhib thiab smoothness ntawm zaj duab xis yuav tsum tau txiav txim siab. Qhov qhib qhov nyiaj yuav tsum yog raws li lub hauv paus ntsiab lus ntawm kev yooj yim winding thiab unwinding ntawm zaj duab xis thiab tiv thaiv adhesion ntawm cov yeeb yaj kiab. Yog tias qhov nyiaj ntxiv ntau dhau lawm, nws yuav cuam tshuam rau qhov nce hauv haze ntawm zaj duab xis. Lub pob tshab feem ntau yuav tsum ncav cuag 92% lossis ntau dua.
3) Kev sib txhuam coefficient
Lub coefficient ntawm kev sib txhuam yog muab faib ua static kev sib txhuam thiab dynamic kev sib txhuam tshuab. Rau cov khoom ntim tsis siv neeg yob, ntxiv rau kev sim cov kev sib txhuam coefficient nyob rau hauv ib txwm muaj, kev sib txhuam coefficient ntawm cov yeeb yaj kiab thiab cov phaj hlau stainless yuav tsum tau sim. Raws li lub tshav kub sealing txheej ntawm tsis siv neeg ntim zaj duab xis yog nyob rau hauv kev sib cuag nrog lub automatic ntim molding tshuab, nws dynamic kev sib txhuam coefficient yuav tsum tsawg tshaj li 0.4u.
4) Ntxiv cov tshuaj
Feem ntau, nws yuav tsum tau tswj tsis pub dhau 300-500PPm. Yog tias nws me dhau lawm, nws yuav cuam tshuam rau kev ua haujlwm ntawm cov yeeb yaj kiab xws li qhib, thiab yog tias nws loj heev, nws yuav ua rau lub zog sib xyaw ua ke. Thiab nws yog ib qho tsim nyog los tiv thaiv ntau qhov kev tsiv teb tsaws chaw lossis kev nkag mus ntawm cov khoom siv ntxiv thaum siv. Thaum qhov ntau npaum li cas ntawm 500-800ppm, nws yuav tsum tau siv nrog ceev faj. Yog tias qhov ntau npaum li cas tshaj 800ppm, nws feem ntau tsis siv.
5) Synchronous thiab asynchronous shrinkage ntawm cov yeeb yaj kiab sib xyaw
Non synchronous shrinkage yog tshwm sim nyob rau hauv cov kev hloov ntawm cov ntaub ntawv curling thiab warping. Non synchronous shrinkage muaj ob hom kev qhia: "inward curling" lossis "sab nraum curling" ntawm lub hnab qhib. Lub xeev no qhia tau hais tias tseem muaj asynchronous shrinkage nyob rau hauv cov zaj duab xis composite ntxiv rau synchronous shrinkage (nrog ntau qhov sib txawv thiab cov lus qhia ntawm thermal stress lossis shrinkage rate). Yog li ntawd, thaum yuav cov yeeb yaj kiab nyias, nws yog ib qho tsim nyog yuav tsum ua cov thermal (ntub kub) shrinkage longitudinal thiab transverse xeem ntawm ntau yam ntaub ntawv sib xyaw nyob rau hauv tib yam kev mob, thiab qhov sib txawv ntawm ob yuav tsum tsis txhob ntau dhau, nyiam dua li ntawm 0.5%.
Yog vim li cas rau kev puas tsuaj thiab tswj cov txheej txheem
1. Cov nyhuv ntawm cov cua sov sealing kub ntawm lub tshav kub sealing lub zog yog qhov ncaj tshaj plaws
Lub melting kub ntawm ntau yam ntaub ntawv ncaj qha txiav txim qhov tsawg kawg nkaus tshav kub sealing kub ntawm composite hnab.
Thaum lub sij hawm tsim cov txheej txheem, vim muaj ntau yam xws li kub sealing siab, lub hnab ua kom ceev, thiab lub thickness ntawm composite substrate, qhov tseeb kub sealing kub siv yog feem ntau siab tshaj lub melting kub.Thaum tshav kub kub sealing khoom. Kev kub ceev tsis siv neeg ntim tshuab, nrog qis dua kub sealing siab, yuav tsum tau siab dua kub sealing kub; Lub tshuab ceev ceev, qhov tuab ntawm cov khoom siv ntawm cov zaj duab xis sib xyaw, thiab qhov siab dua qhov yuav tsum tau ua kom sov sealing kub.
2. Thermal adhesion nkhaus ntawm kev sib txuas lub zog
Hauv kev ntim khoom tsis siv neeg, cov khoom ntim puv yuav muaj kev cuam tshuam zoo rau hauv qab ntawm lub hnab. Yog tias hauv qab ntawm lub hnab tsis tuaj yeem tiv taus qhov cuam tshuam, nws yuav tawg.
Lub zog sib khi dav dav yog hais txog kev sib khi lub zog tom qab ob lub yeeb yaj kiab nyias tau sib koom ua ke los ntawm kev sib khi thaum tshav kub kub thiab txias tag. Txawm li cas los xij, ntawm cov kab ntim khoom ntim tsis siv neeg, cov khoom ntim ob txheej tsis tau txais lub sijhawm txias txaus, yog li lub zog sealing ntawm cov khoom ntim tsis haum rau kev ntsuas qhov ntsuas kub ntawm cov khoom ntawm no. Hloov chaw, thermal adhesion, uas yog hais txog lub zog tev ntawm cov khoom siv thaum tshav kub kub sealing ib feem ua ntej txias, yuav tsum tau siv los ua lub hauv paus rau kev xaiv cov khoom siv thaum tshav kub kub sealing, thiaj li ua tau raws li qhov yuav tsum tau ntawm cov khoom cua sov sealing lub zog thaum sau.
Nws muaj qhov ntsuas kub zoo tshaj plaws rau kev ua tiav qhov zoo tshaj plaws thermal adhesion ntawm cov ntaub ntawv nyias zaj duab xis, thiab thaum tshav kub sealing kub tshaj qhov ntsuas kub no, cov thermal adhesion yuav ua rau txo qis dua. Ntawm cov khoom ntim tsis siv neeg, cov khoom ntim cov hnab ntim tau yooj yim yuav luag synchronized nrog cov khoom ntim. Yog li ntawd, thaum sau cov ntsiab lus, lub tshav kub ntim rau hauv qab ntawm lub hnab tsis txias tag, thiab qhov cuam tshuam quab yuam nws tuaj yeem tiv taus yog txo qis heev.
Thaum sau cov ntsiab lus, rau qhov cuam tshuam quab yuam nyob rau hauv qab ntawm lub hnab ntim tau yooj yim, lub thermal adhesion tester tuaj yeem siv los kos cov thermal adhesion nkhaus los ntawm kev kho lub tshav kub sealing, kub sealing siab, thiab lub sij hawm sealing, thiab xaiv cov Kev pom zoo ua ke ntawm cov cua sov sealing tsis rau cov kab ntau lawm.
Thaum ntim cov ntim hnyav lossis cov khoom siv hmoov xws li ntsev, ntxhua khaub ncaws ntxhua khaub ncaws, thiab lwm yam, tom qab sau cov khoom no thiab ua ntej cua sov sealing, cov cua hauv lub hnab yuav tsum tau tso tawm kom txo tau qhov kev ntxhov siab ntawm lub hnab ntim khoom, tso cai rau cov khoom siv tau zoo. ncaj qha kev ntxhov siab kom txo tau lub hnab puas. Hauv cov txheej txheem tom qab ua tiav, kev saib xyuas tshwj xeeb yuav tsum tau them rau seb puas muaj kev sib tsoo, kev ua haujlwm siab, kev poob siab tsis kam, kub tsis kam, kub nruab nrab tsis kam, thiab kev nyab xeeb ntawm cov khoom noj thiab kev tu cev raws li qhov yuav tsum tau ua.
Yog vim li cas thiab tswj cov ntsiab lus rau stratification
Ib qho teeb meem loj nrog cov tshuab ntim tsis siv neeg rau zaj duab xis qhwv thiab hnab ntim khoom yog tias qhov chaw, cov ntawv luam tawm, thiab cov txheej txheem aluminium ntawv ci nruab nrab yog qhov ua rau delamination ntawm thaj chaw tshav kub. Feem ntau, tom qab qhov tshwm sim no tshwm sim, cov chaw tsim khoom yuav yws rau lub tuam txhab ntim khoom muag txog qhov tsis txaus ntawm cov khoom ntim khoom uas lawv muab. Lub tuam txhab ntim khoom muag kuj tseem yuav yws rau tus cwj mem lossis cov nplaum nplaum ntawm cov khoom siv tsis zoo, nrog rau cov chaw tsim khoom ntawm cov yeeb yaj kiab txog cov nqi qis corona, cov khoom siv ntab, thiab kev nqus dej tsis zoo ntawm cov ntaub ntawv, uas cuam tshuam rau adhesion ntawm tus number case thiab nplaum thiab ua rau delamination.
Ntawm no, peb yuav tsum xav txog lwm yam tseem ceeb:lub tshav kub sealing roller.
Qhov kub ntawm cov cua sov sealing cov menyuam ntawm lub tshuab ntim tsis siv neeg qee zaum nce mus txog 210 ℃ lossis siab dua, thiab cov txheej txheem kub hnyiab ntawm cov menyuam sealing tuaj yeem muab faib ua ob hom: square pyramid shape thiab square frustum shape.
Peb tuaj yeem pom nyob rau hauv cov iav tsom iav uas qee cov txheej txheem txheej thiab cov txheej txheem tsis muaj txheej txheem muaj cov phab ntsa tsis zoo rau cov menyuam mesh thiab cov qhov hauv qab kom meej, thaum lwm tus muaj cov phab ntsa tsis tiav cov menyuam mesh thiab cov qhov tsis meej hauv qab. Qee qhov muaj cov kab dub tsis sib xws (kav tawg) nyob rau hauv qab, uas yog qhov tseeb ntawm cov ntawv txhuas txheej tau tawg. Thiab qee qhov ntawm lub qhov mesh muaj qhov "tsis sib npaug" hauv qab, qhia tias txheej number case nyob hauv qab ntawm lub hnab tau dhau los ua qhov tshwm sim "melting".
Piv txwv li, BOPA zaj duab xis thiab AL yog ob qho tib si cov ntaub ntawv uas muaj qee yam ductility, tab sis lawv tawg thaum lub sijhawm ua rau hauv lub hnab, qhia tias qhov elongation ntawm cov khoom ntim siv los ntawm cov cua kub sealing riam tau tshaj qhov siv tau ntawm cov khoom, ua rau tawg. Los ntawm lub tshav kub foob imprint, nws yuav pom tau hais tias cov xim ntawm txhuas ntawv ci txheej nyob rau hauv nruab nrab ntawm lub "kav" yog pom tseeb lighter dua sab, qhia tias delamination tau tshwm sim.
Hauv kev tsim khoom ntawmaluminium foil yob zaj duab xisntim, qee cov neeg ntseeg tias kev sib sib zog nqus ntawm cov cua sov sealing qauv zoo dua. Qhov tseeb, lub hom phiaj tseem ceeb ntawm kev siv cov qauv cua sov sealing riam rau cov cua sov sealing yog los xyuas kom meej lub sealing kev ua tau zoo ntawm lub tshav kub foob, thiab kev zoo nkauj yog theem nrab. Txawm hais tias nws yog lub lag luam ntim khoom lag luam hloov pauv lossis cov khoom lag luam raw khoom, lawv yuav tsis yooj yim hloov cov qauv tsim thaum lub sijhawm tsim khoom, tshwj tsis yog lawv kho cov txheej txheem tsim khoom lossis hloov pauv tseem ceeb rau cov khoom siv raw.
Yog tias cov txheej txheem aluminium ntawv yog crushed thiab lub ntim poob nws sealing, dab tsi yog siv kom muaj qhov zoo? Los ntawm txoj kev xav, tus qauv ntawm lub tshav kub sealing riam yuav tsum tsis yog pyramid zoo li tus, tab sis yuav tsum yog frustum zoo li tus.
Hauv qab ntawm lub pyramid zoo li tus qauv muaj cov kaum ntse ntse, uas tuaj yeem yooj yim khawb cov zaj duab xis thiab ua rau nws poob nws lub hom phiaj kev sib khi. Nyob rau tib lub sijhawm, qhov kub tsis kam ntawm tus number case siv yuav tsum tshaj qhov kub ntawm lub tshav kub sealing hniav kom tsis txhob muaj teeb meem ntawm cov number case melting tom qab tshav kub sealing. Qhov kev sib khi dav dav yuav tsum tau tswj ntawm 170 ~ 210 ℃. Yog tias qhov kub thiab txias dhau lawm, cov ntawv txhuas txhuas yog qhov ua rau wrinkling, tawg, thiab decoloration.
Kev ceev faj rau winding hnyav-dawb composite slitting nruas
Thaum dov cov kuab tshuaj tsis muaj cov zaj duab xis sib xyaw, cov winding yuav tsum zoo huv si, txwv tsis pub tunneling yuav tshwm sim ntawm cov npoo xoob ntawm cov winding. Thaum lub taper ntawm winding nro yog teem me me heev, txheej txheej yuav tsim ib tug loj squeezing quab yuam nyob rau hauv lub puab txheej. Yog tias qhov sib txhuam quab yuam ntawm cov txheej sab hauv thiab txheej txheej ntawm cov zaj duab xis sib xyaw yog me me tom qab winding (yog tias cov yeeb yaj kiab du dhau lawm, kev sib txhuam quab yuam yuav me me), qhov tshwm sim winding extrusion yuav tshwm sim. Thaum lub zog loj winding nro taper tau teeb tsa, lub winding tuaj yeem rov zoo dua.
Yog li ntawd, lub winding uniformity ntawm hnyav-dawb composite films muaj feem xyuam rau qhov nro parameter teeb tsa thiab kev sib txhuam quab yuam ntawm cov txheej txheej zaj duab xis. Kev sib txhuam coefficient ntawm PE zaj duab xis siv rau cov kuab tshuaj tsis muaj cov yeeb yaj kiab feem ntau tsawg dua 0.1 los tswj cov kev sib txhuam coefficient ntawm cov zaj duab xis kawg.
Cov yas yas sib xyaw zaj duab xis ua tiav los ntawm kev ua kom tsis muaj kuab lom yuav muaj qee qhov tsis xws luag xws li cov nplaum nplaum ntawm qhov chaw. Thaum kuaj ntawm ib lub hnab ntim khoom, nws yog cov khoom tsim nyog. Txawm li cas los xij, tom qab ntim cov xim tsaus xim nplaum cov ntsiab lus, cov tsos mob no yuav tshwm sim li pob dawb.
Xaus
Feem ntau cov teeb meem thaum lub sij hawm ceev ceev tsis siv neeg ntim yog lub hnab tawg thiab delamination. Txawm hais tias tus nqi tawg feem ntau tsis tshaj 0.2% raws li cov qauv thoob ntiaj teb, qhov kev poob los ntawm kev sib kis ntawm lwm yam khoom vim lub hnab tawg yog qhov hnyav heev. Yog li ntawd, los ntawm kev ntsuam xyuas lub tshav kub sealing kev ua tau zoo ntawm cov ntaub ntawv thiab kho lub tshav kub sealing tsis nyob rau hauv cov txheej txheem ntau lawm, qhov tshwm sim ntawm mos ntim hnab puas thaum lub sij hawm sau los yog cia, tom qab ua, thiab kev thauj mus los yuav raug txo. Txawm li cas los xij, kev saib xyuas tshwj xeeb yuav tsum tau them rau cov teeb meem hauv qab no:
1) Kev saib xyuas tshwj xeeb yuav tsum tau them rau seb cov khoom ntim khoom puas yuav paug lub foob thaum lub sij hawm txhaws. Cov khoom tsis huv tuaj yeem txo qhov thermal adhesion lossis sealing lub zog ntawm cov khoom, ua rau lub rupture ntawm lub hnab ntim tau yooj yim vim nws tsis muaj peev xwm tiv taus siab. Kev saib xyuas tshwj xeeb yuav tsum tau them rau cov khoom ntim cov hmoov av, uas yuav tsum tau muaj kev simulation sib xws.
2) Cov khoom siv thermal adhesion thiab nthuav dav tshav kub sealing lub zog tau los ntawm kev xaiv cov kab ntau lawm thaum tshav kub kub sealing tsis yuav tsum tau tawm ntawm cov npoo ntawm cov qauv tsim (kev tshuaj xyuas tshwj xeeb yuav tsum tau ua raws li cov khoom siv thiab cov khoom siv), vim tias nws yog Thaum tshav kub kub sealing Cheebtsam los yog mos ntim zaj duab xis cov ntaub ntawv, lub uniformity yog tsis zoo heev, thiab cov khoom ua yuam kev yuav ua rau uneven kub sealing nyhuv ntawm lub ntim kub sealing point.
3) Los ntawm kev ntsuam xyuas cov thermal adhesion thiab expansion tshav kub sealing lub zog ntawm cov ntaub ntawv, ib txheej ntawm tshav kub sealing tsis haum rau tej yam khoom thiab ntau lawm kab yuav tau. Nyob rau lub sijhawm no, kev txiav txim siab zoo thiab kev xaiv zoo yuav tsum tau ua raws li cov khoom siv hluav taws xob kub sealing nkhaus tau los ntawm kev sim.
4) Lub rupture thiab delamination ntawm cov hnab yas hloov tau yooj yim yog ib qho kev xav txog ntawm cov ntaub ntawv, cov txheej txheem ntau lawm, cov khoom tsis raug, thiab kev ua haujlwm ntau lawm. Tsuas yog tom qab kev soj ntsuam ntxaws ntxaws tuaj yeem txheeb xyuas qhov tseeb ua rau rupture thiab delamination. Cov qauv yuav tsum tau tsim thaum yuav cov khoom siv raw thiab cov khoom pabcuam thiab tsim cov txheej txheem ntau lawm. Los ntawm kev khaws cov ntaub ntawv zoo qub thiab tsis tu ncua kev txhim kho thaum lub sijhawm tsim khoom, qhov kev puas tsuaj ntawm cov hnab yas tsis siv neeg hloov pauv hloov pauv tuaj yeem tswj tau mus rau qib siab nyob rau hauv qee qhov ntau.
Post lub sij hawm: Dec-02-2024