Phau Ntawv Qhia: Silk printing yog cov txheej txheem luam ntawv ntau heev hauv kev tsim cov khoom ntim khoom kom zoo nkauj. Los ntawm kev sib xyaw ua ke ntawm tus cwj mem, tshuaj ntsuam luam ntawv, thiab cov khoom siv tshuaj ntsuam luam ntawv, tus number case raug xa mus rau lub substrate los ntawm cov mesh ntawm cov duab nraaj. Thaum lub sij hawm tus txheej txheem, lub vijtsam luam ntawv Cov xim yuav cuam tshuam los ntawm qee yam thiab kev hloov pauv. Kab lus no yog ntim los ntawmshanghai zaj sawv pob, thiab kuv yuav qhia rau koj ob peb yam uas cuam tshuam rau kev hloov xim ntawm silk screen.
tshuaj ntsuam luam ntawv
Cov txheej txheem luam ntawv ntawm lub vijtsam yog tias tus number case dhau los ntawm ib feem ntawm lub mesh ntawm lub vijtsam thiab tom qab ntawd xau mus rau lub substrate. Qhov seem ntawm qhov screen raug thaiv thiab tus cwj mem tsis tuaj yeem nkag mus. Thaum luam ntawv, tus number case yog nchuav rau ntawm qhov screen. Yog tsis muaj kev quab yuam sab nraud, tus number case yuav tsis xau los ntawm lub mesh mus rau lub substrate. Thaum tus squeegee scrapes tus number case nrog lub siab thiab qaij lub kaum sab xis, nws yuav hloov mus los ntawm qhov screen. Mus rau hauv qab no substrate kom paub cov ntawv luam ntawm daim duab.
01 Ink blending
Piv txwv tias cov pigments hauv tus number case yog tsim kom raug, qhov ua rau ib txwm muaj kev hloov xim yog cov kuab tshuaj ntxiv. Nyob rau hauv ib lub rhiav tswj kom zoo, tus number case yuav tsum muab nkag rau lub tshuab luam ntawv txhua lub sij hawm tom qab nws npaj txhij, uas yog hais tias, lub tshuab luam ntawv yuav tsum tsis txhob sib tov tus number case. Hauv ntau lub tuam txhab, tus cwj mem tsis tau hloov kho thiab xa mus rau lub tshuab luam ntawv, tab sis sab laug rau cov tshuab luam ntawv los kho, thiab lawv ntxiv thiab sib tov tus cwj mem raws li lawv tus kheej xav. Raws li qhov tshwm sim, cov xim sib npaug ntawm tus number case yog tawg. Rau cov dej-raws li tus number case los yog UV number case, cov dej hauv tus number case ua tib yam li cov kuab tshuaj hauv cov kuab tshuaj hnyav. Ntxiv dej yuav ua rau cov kua nplaum qhuav thiab cuam tshuam cov xim ntawm tus number case, yog li txo qhov ntom ntawm cov xim. . Cov laj thawj ntawm cov teeb meem zoo li no tuaj yeem taug qab ntxiv.
Nyob rau hauv lub warehouse number case, cov neeg ua hauj lwm sib tov tus cwj mem tsis siv cov khoom hnyav, thiab tsuas yog tso siab rau lawv tus kheej kev txiav txim siab ntxiv cov kuab tshuaj raws li txoj cai, lossis kev sib xyaw thawj zaug tsis tsim nyog, lossis tus number case sib xyaw hloov pauv thaum luam ntawv, kom cov Mixed number case yuav tsim cov xim sib txawv. Thaum txoj hauj lwm no tau luam tawm dua yav tom ntej, qhov xwm txheej no yuav tshwm sim. Tshwj tsis yog muaj tus cwj mem txaus los sau, nws yuav luag tsis tuaj yeem tsim cov xim.
02 Screen xaiv
Cov hlau txoj kab uas hla ntawm qhov screen thiab txoj kev weaving, uas yog, tiaj los yog twill, muaj kev cuam tshuam zoo rau cov tuab ntawm cov ntawv luam ntawv number case. Tus neeg muag khoom tshuaj ntsuam yuav muab cov ncauj lus qhia ntxaws ntxaws ntawm lub vijtsam, qhov tseem ceeb tshaj plaws theoretical number case ntim, uas sawv cev rau tus lej ntawm tus lej hla ntawm lub vijtsam mesh nyob rau hauv qee yam kev luam ntawv, feem ntau hais hauv cm3 / m2. Piv txwv li, ib qho 150 mesh / cm screen nrog ib tug mesh txoj kab uas hla ntawm 31μm yuav muaj peev xwm mus dhau 11cm3 / m2 ntawm number case. Ib lub mesh nrog ib txoj kab uas hla ntawm 34μm thiab 150-mesh screen yuav dhau 6cm3 ntawm tus number case ib square meter, uas yog sib npaug rau 11 thiab 6μm tuab ntub dej number case txheej. Nws tuaj yeem pom los ntawm qhov no tias qhov yooj yim sawv cev ntawm 150 mesh yuav ua rau koj tau txais cov xim sib txawv loj, thiab qhov tshwm sim yuav ua rau muaj qhov sib txawv loj ntawm cov xim.
Nrog rau kev txhim kho ntawm cov hlau mesh weaving tshuab, nws yog ib qho tsim nyog kom tau txais qee tus xov tooj ntawm twill hlau mesh es tsis txhob siv cov hlau mesh. Txawm hais tias qhov no yog qee zaum ua tau, qhov ua tau tsawg heev. Qee lub sij hawm cov khoom siv tshuaj ntsuam khaws qee cov ntxaij vab tshaus qub. Feem ntau hais lus, lub theoretical number case ntim ntawm cov ntxaij vab tshaus no txawv ntawm 10%. Yog tias koj siv lub vijtsam twill weave los luam tawm cov duab zoo, qhov tshwm sim ntawm cov kab tawg yog ntau dua li ntawm lub npov weave.
03Screen nro
Qhov qis qis ntawm lub vijtsam yuav ua rau lub vijtsam cais maj mam los ntawm cov ntawv luam tawm, uas yuav cuam tshuam rau tus number case nyob ntawm qhov screen thiab ua rau muaj teebmeem xws li xim tsis sib xws. Ua li no, cov xim zoo li tau hloov pauv. Yuav kom daws tau qhov teeb meem no, qhov kev ncua deb ntawm lub vijtsam yuav tsum tau nce, uas yog, qhov kev ncua deb ntawm cov kab rov tav muab tso rau ntawm lub phaj thiab cov khoom luam ntawv yuav tsum tau nce ntxiv. Kev nce qhov kev ncua deb ntawm lub vijtsam txhais tau tias ua kom lub siab ntawm lub squeegee, uas yuav cuam tshuam rau tus lej ntawm tus lej hla ntawm lub vijtsam thiab ua rau muaj kev hloov xim ntxiv.
04 ibKev teeb tsa ntawm squeegee
Lub softer lub squeegee siv, ntau tus number case yuav dhau los ntawm qhov screen. Qhov siab dua qhov ua rau ntawm lub squeegee, qhov ceev ntawm cov hniav ntawm lub squeegee hnav thaum luam ntawv. Qhov no yuav hloov qhov chaw sib cuag ntawm lub squeegee thiab cov ntawv luam tawm, uas tseem yuav hloov tus lej ntawm tus number case dhau ntawm qhov screen, thiab yog li ua rau cov xim hloov. Hloov lub kaum sab xis ntawm squeegee tseem yuav cuam tshuam rau tus number case adhesion. Yog hais tias lub squeegee khiav ceev heev, qhov no yuav txo tau cov thickness ntawm tus number case txuas.
05Kev teeb tsa ntawm tus cwj mem rov qab riam
Lub luag haujlwm ntawm tus cwj mem rov qab riam yog sau lub qhov screen nrog tus lej ruaj khov. Kho lub siab, lub kaum ntse ntse thiab ntse ntawm tus number case-rov qab riam yuav ua rau lub mesh overfilled los yog underfilled. Lub siab dhau ntawm tus number case-return riam yuav yuam kom tus number case dhau los ntawm lub mesh, ua rau ntau tus number case adhesion. Tsis txaus siab ntawm tus cwj mem-rov qab riam yuav ua rau tsuas yog ib feem ntawm lub mesh kom puv nrog number case, uas ua rau ink adhesion tsis txaus. Kev khiav ceev ntawm tus cwj mem rov qab riam kuj tseem ceeb heev. Yog tias nws khiav qeeb dhau, tus number case yuav dhau mus; yog tias nws khiav ceev heev, nws yuav ua rau muaj kuab heev tsis txaus, uas zoo ib yam li cov txiaj ntsig ntawm kev hloov kev khiav ceev ntawm lub squeegee.
06Kev teeb tsa tshuab
Ua tib zoo tswj cov txheej txheem yog qhov tseem ceeb tshaj plaws. Kev hloov kho ruaj khov thiab zoo ib yam ntawm lub tshuab txhais tau tias cov xim ruaj khov thiab zoo ib yam. Yog tias qhov hloov ntawm lub tshuab hloov, ces xim yuav poob tswj. Qhov teeb meem no feem ntau tshwm sim thaum cov neeg ua haujlwm luam ntawv hloov pauv, lossis tom qab luam ntawv cov neeg ua haujlwm hloov cov chaw ntawm cov ntawv luam tawm ntawm lub siab xav kom hloov mus rau lawv tus kheej tus cwj pwm, uas yuav ua rau muaj xim hloov. Qhov tseeb multi-xim screen tshuab luam ntawv siv lub computer tsis siv neeg tswj kom tshem tawm qhov ua tau. Ua kom cov chaw ruaj khov thiab zoo ib yam rau cov xovxwm luam ntawv thiab ua kom cov chaw no tsis hloov pauv txhua txoj haujlwm luam ntawv.
07 ibCov ntaub ntawv luam tawm
Hauv kev lag luam tshuaj ntsuam luam ntawv, ib qho uas feem ntau tsis saib xyuas yog qhov sib xws ntawm cov substrate yuav tsum luam tawm. Cov ntawv, duab los qhia thiab yas siv hauv kev luam ntawv feem ntau yog tsim nyob rau hauv batch. Tus neeg muag khoom zoo tuaj yeem lav tias tag nrho cov khoom siv uas nws muab tau zoo nto smoothness, tab sis tej yam tsis yog ib txwm. Thaum lub sij hawm ua cov ntaub ntawv no, ib qho kev hloov me ntsis hauv cov txheej txheem yuav hloov xim thiab xim ntawm cov khoom. Nto tiav. Thaum qhov no tshwm sim, cov xim luam tawm zoo li hloov pauv, txawm tias tsis muaj dab tsi hloov thaum lub sijhawm luam ntawv tiag tiag.
Thaum peb xav luam cov qauv tib yam ntawm ntau yam ntaub ntawv, los ntawm corrugated yas board mus rau daim duab zoo nkauj, raws li kev tshaj tawm, cov tshuab luam ntawv yuav ntsib cov teeb meem no. Lwm qhov teeb meem uas peb feem ntau ntsib yog tias peb lub vijtsam luam ntawv yuav tsum tau txais cov duab offset. Yog hais tias peb tsis xyuam xim rau cov txheej txheem tswj, peb tsis muaj caij nyoog. Kev tswj xyuas cov txheej txheem ua tib zoo suav nrog kev ntsuas xim kom raug, kev siv lub spectrophotometer los txiav txim siab kab xim, thiab lub densitometer los txiav txim rau peb lub ntsiab xim, kom peb tuaj yeem luam cov duab ruaj khov thiab zoo ib yam ntawm ntau yam khoom.
08qhov kaj
Nyob rau hauv qhov sib txawv ntawm lub teeb, cov xim zoo li txawv, thiab tib neeg lub qhov muag yog rhiab heev rau cov kev hloov no. Cov nyhuv no tuaj yeem txo qis los ntawm kev ua kom ntseeg tau tias cov xim ntawm cov pigments siv rau hauv tag nrho cov luam ntawv ua haujlwm yog qhov tseeb thiab zoo ib yam. Yog tias koj hloov cov neeg xa khoom, qhov no tuaj yeem yog kev puas tsuaj. Kev ntsuas xim thiab kev nkag siab yog qhov nyuaj heev. Txhawm rau kom ua tiav qhov kev tswj hwm zoo tshaj plaws, yuav tsum muaj lub voj kaw uas tsim los ntawm cov tuam txhab ua kua number case, kev sib xyaw ntawm tus number case, ua pov thawj thiab ntsuas qhov tseeb hauv cov txheej txheem luam ntawv.
09 ua dry
Qee lub sij hawm cov xim hloov vim qhov hloov tsis raug ntawm lub tshuab ziab khaub ncaws. Thaum luam ntawv los yog duab los qhia, yog tias qhov ziab ziab yog hloov siab dhau lawm, qhov xwm txheej dav dav yog xim dawb hloov daj. Cov iav thiab ceramic industries feem ntau muaj teeb meem los ntawm cov xim hloov thaum ziab los yog ci. Cov xim siv ntawm no yuav tsum tau hloov tag nrho los ntawm cov xim luam tawm mus rau xim sintered. Cov xim sintered no tsis tsuas yog cuam tshuam los ntawm qhov kub thiab txias, tab sis kuj los ntawm oxidation los yog txo cov huab cua zoo hauv qhov chaw ci.
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Post lub sij hawm: Nov-04-2021