Kev txheeb xyuas kev txheeb xyuas cov teeb meem hauv kev tshaj tawm thaum luam ntawv
Peb yog ib lub lag luam loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv nyuaj, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
Yog xav paub ntxiv, thov tuaj xyuas
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Raws li peb txhua tus paub, qhov teeb meem ntawm overprinting yog ib txwm muaj teeb meem loj uas tsim kev puas tsuaj rau kev lag luam. Nyob rau hauv cov txheej txheem luam ntawv, nws tsis tsuas yog cuam tshuam lub sij hawm ntau lawm, tab sis kuj khib cov khoom. Qhov no yog cuab kev yooj yim hauv kev lag luam hauv qib siab ceev ceev. Hauv qab no, tus kws sau ntawv yuav tshuaj xyuas qhov laj thawj vim li cas qhov kev ua haujlwm tshaj tawm yuav tsis raug.
Cov tsis ua hauj lwm ntawm qhov nruab nrab yog muab faib rau hauv cov xov tooj cua, qhov chaw ntsig tshaj, thiab cov ntaub ntawv khaws tseg los ntawm lwm qhov.
1. Tsis tau tso cai rau kab rov tav
Qhov laj thawj uas tsis muaj tseeb tshaj yog qhov teeb meem nrog cov phaj tsis yog, daim ntawv, tus lej thiab cov xo nrawm.
(1) Txoj hauj lwm ntawm lub phaj tsis yog lawm.
Lub ntsiab tseem ceeb yog qhov chaw kab ntawm cov ntawv phaj tsis yog ua ke nrog cov kab ntawv sau rau hauv nruab nrab ntawm cov menyuam, yog li ntawd qhov chaw ntawm lub phaj ntawv tsis yog. Txoj kev daws teeb meem yog kho lub plhaub xais ntawm lub laub luam ntawv. Yog tias qhov kev hloov tsis txaus, lub phaj tuaj yeem rov tuaj yeem rov qab tau.
(2) Ntawv
Feem ntau vim hais tias cov av qe thiab cov thickness ntawm daim ntawv yog inconsistent, daim ntawv yog ntsws ntsws; daim ntawv yob muaj lub taub hau loj loj, uas ua rau daim ntawv sawb khiav tawm. Kev daws yog raws li nram no: tsis txhob qhib lub pob ua ntej lub tshuab kom tiv thaiv cov ntawv yob ntawm ntub dej, tsis txhob muaj qhov ntev ntawm daim ntawv ntawm txoj hlua; ua kom daim ntawv sau los ntawm daim ntawv pub noj mov mus rau thawj chav tsev luam ntawv, lossis nce sab laug thiab txoj kab xov khawm sab nraud los ua daim ntawv kab xev.
(3) Ink
Tus cwj mem ntawm tus cwj mem xau yog loj heev, ua rau ntawm daim pam daim khawm los lo rau ntawm daim ntawv, ua rau lub hauv siab nrawm, ua rau daim ntawv strip rau cov ncab, ua rau tsis muaj tseeb. Cov tshuaj no yog kom txo tau tus number case viscosity los yog txo qhov kev luam ntawv ceev.
(4) Daim ntawv nrawm nrawm
Lub nrawm ntawm cov luam ntawv yog qis dua daim ntawv pub noj mov, los yog cov nro ntawm daim ntawv pub noj mov thiab thawj chav luam ntawv loj dhau, thiab qhov nro ntawm daim ntawv strip txo tom qab luam tawm thawj xim, ua rau ib tug widening ntawm daim ntawv kab xev. Txoj kev daws teeb meem yog los nce qhov nro ntawm cov luam ntawv los yog kom cov ntawv qhia ntawv los yog daim ntawv qhia ntawv ntawm daim ntawv pub, kom ntev lub sij hawm ntawm cov ntawv txawb, kom hloov cov ntawv tom qab daim ntawv txawb nkag lub tshuab luam ntawv yog tsawg li tsawg tau.
2. Tsis pub muaj ntsug overprinting
Qhov laj thawj ntawm kev ua haujlwm ntev tshaj yog: phom tensile deformation, tension adjustment, phaj installation, rau sab hauv ob sab phom, thiab lwm yam.
(1) Plate tensile deformation
Cov ntawv luam ntev yog tsis sib haum vim yog lub pob zeb ntawm lub luam ntawv, qhov chaw tsis zoo ntawm lub plhaub kheej kheej, thiab cov ntawv luam tawm ntev ntawm cov ntawv xov xwm, uas ua rau cov khoom siv tsis muaj tseeb. Tsis tas li ntawd, lub phaj ntawm lub phaj luam ntawv feem ntau yog ib lub hlau phaj, uas muaj ib co elongation, thiab tensile deformation tshwm sim nyob rau hauv qhov kev txiav txim ntawm lub zog quab yuam, thiab lub tensile deformation ntawm zinc phaj yog tshwj xeeb pom. Raws li ib txwm muaj, luam tawm tau pom tias tsis raug, feem ntau yog ncab lub phaj kom hloov. Thaum lub phaj yog ncav los ntawm ib lub zog sab nraud, lub phaj yog nruj nreem txuas rau ntawm lub nruas, thiab tib lub sij hawm, tensile deformation yog inevitably generated. Qhov ntau dua lub zog quab yuam, qhov ntau dua qhov tensile deformation ntawm lub phaj, thiab tsis ncaj cais ntawm cov tensile deformation. Cov quab yuam nyob ntawm ntug ntawm lub phaj thiab lub hau ntawm lub phaj luam yog qhov loj tshaj plaws, thiab tensile deformation kuj yog loj, thiab lub zog hauv lub phaj yog me me. Cov rhuav tshem kuj yog me me.
(2) Kev hloov nro
Thaum lub sij hawm luam ntawv, qhov nro ntawm daim ntawv nplaum yuav tsum tau khaws cia tas li, thiab qhov loj me me. Yog tias qhov nro ntawm daim ntawv nplaum yog tsawg lossis loj heev, qhov nrawm ntawm daim ntawv nplaum yuav tsis ruaj tsis khov, thiab qhov yuav tsis muaj tseeb, tshwj xeeb tshaj yog thaum cov luam ntawv hloov pauv, xws li pib. Thaum lub sij hawm theem ntawm kev tuav tes, daim ntawv hloov, thiab lwm yam, qhov nro tsis ruaj khov thiab qhov tseeb qhov tseeb raug cuam tshuam.
Txawm li cas los xij, lub hauv paus ua kom muaj qhov teeb meem hauv kev luam ntawv yog qhov tsis ua ntawm lub tshuab nqus hlau nplaum thiab qhov kev tswj nruj. Cov teeb meem ntawm lub sib nqus hmoov txhuam nws tus kheej yog: nqhuab ntawm cov laus laus laus, agglomeration, dej tov nyob hauv qhov dej txias sib txuas, dej hauv cov nplaim dej sib nqus, ua rau lub tshuab nqus hlau nplaum Lub tawb yog tsis ruaj khov los yog lub zog tee, thiab lub tshuab nqus hlau nplaum lub taub hau thiab daim ntawv cov ntawv yob yog swayed, uas ua rau kev sib txuas ntawm ob qho tsis zoo. Lub tshuab nqus hlau nplaum tsis tuaj yeem nres cov ntawv yob, ua rau tsis muaj kev nruj nruj. Rau qhov kev nruj, txij thaum lub caij nplooj ntoos hlav ntawm cov ntiv ntiv taw thiab cov kev sib tw ntawm qhov tsis sib haum hauv qhov system me me, nws tsis tuaj yeem sib npaug nrog qhov nro ntawm daim ntawv strip, kom cov ntiv nplhaib thiab qhov tsis sib haum cov menyuam feem ntau dhia thiab viav vias, ua rau lub nro yuav tsis ruaj tsis khov. Yog li ntawd, lub sab nraud yuav tsum muab tu nrog lub khob khi thiab lub qhov sib txuas kom pom tseeb tias lub phom lub plhaub yog nruj.
4. Txhim kho kev hloov ntawm cov neeg qhia kev cob qhia ua rau tsis tuaj yeem yuam kev
Qhov tsis hloov mus rau ntawm daim ntawv qhia rollers yuav cuam tshuam rau smoothness ntawm daim ntawv pub, yog li ntawd lub conveying ceev ntawm ob sab ntawm aluminium ntawv nyiaj tsis yog synchronized, thiab yog li lub overprinting tsis yog muaj tseeb. Yog li, daim ntawv qhia chais ntawm cov xovxwm yuav tsum muab kho dua tom qab qib siab.
5. Kev nruj tsis tuaj yeem ua rau kev tsis pom zoo
Nyob rau hauv cov txheej txheem ntawm gravure printing ntawm aluminium ntawv ci cap, lub cheeb ntawm qhov tawm yob yog maj txo, thiab ntawm lub hle ntawm txoj kev muab yob yog tsis tu ncua ntxiv, yog li ntawd qhov kev nyuaj siab printing yog tas li hloov. Qhov hloov hauv nro ncaj qha cuam tshuam lub elongation ntawm aluminium ntawv ci. Yog li ntawd, yog lub hauv ntej thiab nraub qaum tawv tensions hloov nquag thiab irregularly thaum luam ntawv, tus overprinting tej zaum yuav tsis muaj tseeb. Yog li ntawd, ntxiv rau qhov kev sib haum xeeb ntawm qhov kev sib haum xeeb thiab kev daws teeb meem raws li qhov tseeb qhov teeb meem, kom tsis txhob muaj kev nruj los yog tsis tshua muaj siab, qhov nro yuav tsum ceev nrooj tas li kom tsis txhob muaj kev hloov loj.
6. Yog tsis raug kaw qhov kev sau npe ua rau ua rau overprinting
Cov teeb meem nyob rau hauv ib feem ntawm qhov kev sau npe tsis siv neeg ncaj qha cuam tshuam rau kev khiav lag luam ntawm tag nrho lub cev, uas ua rau kev yuam kev ntawm overprinting tsis raug kho nyob rau hauv lub sij hawm, ua rau tsis muaj tseeb overprinting. Yog li ntawd, yog tias qhov kev sau npe tsis siv no tsis tiav, nws yog qhov yuav tsum tau xyuas txhua feem ntawm qhov system ntawm ib qho, nrhiav qhov teeb meem thiab tshem tawm nws, thiab yog tias tsim nyog, nug cov neeg ua haujlwm cov neeg ua haujlwm kom rov soj ntsuam dua thiab kho.
7. Cov txheej txheem tsis zoo ntawm lub phom cylinder ua rau overprinting
Aluminium ntawv pov thawj yog ib qho khoom siv hlau uas maj mam mus thaum lub sij hawm luam tawm, uas cuam tshuam rau qhov muaj feem cuam tshuam ntawm kev tshaj tawm. Txhawm rau compensate rau qhov ua yuam kev ntawm overprinting, lub phom lub tog raj kheej ntawm txhua cov xim pawg thaum lub phaj txiav txim siab yuav tsum yog nce los ntawm cov xim nrog ib co coefficient. Cov phom lub tog raj kheej yuav tsum ua kom tau raws li cov txheej txheem ntawm kev luam ntawv, txwv tsis pub qee cov xim pawg yuav tsum tau ua dua. Nyob rau tib lub sijhawm, nws yog qhov yuav tsum tau saib cov xim raws qhov thaum muab lub phaj. Yog hais tias cov xim sib lawv liag lawm, qhov kev txiav txim ntawm cov phom thooj voos kheej kheej tsis muaj tseeb, uas yuav ua rau tsis muaj tseeb tshaj qhov qub.
Tsis tas li ntawd, cov txheej txheem ntawm cov xim sib lawv liag thiab kev sau cov xim rau thaum lub phaj txiav txim siab tseem yuav muaj feem xyuam rau kev luam tawm overprinting.