Sib tham txog kev luam ntawv ntawm iav
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.
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Daim iav npo luam tawm hais txog kev luam tawm ib txoj kab uas siv lub iav los yog lub khob ntim siv los ua ib yam khoom loj. Kev siv iav muaj keeb kwm ntev nyob rau hauv Suav teb, thiab txawm nyob rau hnub no tus niaj hnub era, iav tseem plays lub luag hauj lwm tseem ceeb hauv peb lub neej. Tam sim no, nyiaj txiag muaj teebmeem hauv Phab Ntsa Street hauv Teb Chaws Asmeskas, xws li "tsunami", feem ntau cuam tshuam rau lub ntiaj teb ntawm lub ntiaj teb thiab muaj kev cuam tshuam rau nyiaj txiag ntawm txhua lub teb chaws hauv ntiaj teb.
Txij li thaum 2008, lub hnub so thoob ntiaj teb roj nqi, kev txaus siab ntawm lub renminbi, thiab txo cov nyiaj se tawm rebates twb tau muaj qhov tsis zoo rau cov export-oriented tuam txhab ntawm Tuam Tshoj tus screen luam kev lag luam. Lub ntiaj teb nyiaj txiag teeb meem tsoo tawm, luam tawm ntawm thawj cov nyiaj tsawg thiab ua haujlwm heev. Rau cov lag luam, nws tseem loj tshaj, tshwj xeeb tshaj yog rau cov lag luam me me thiab nruab nrab thiab luam ntawv. Tsis tas li ntawd, tom qab siv txoj cai tshiab ua haujlwm, qhov nce ntawm cov nyiaj them nqi zog tau nce cov nqi khiav lag luam ntawm cov tshuab luam ntawv luam tawm, nrog rau kev sib cog lus loj ntawm lawv cov neeg nqes ntiag tug, uas ua rau lub lag luam nruj lossis tseem tawg, ntawm cov luam ntawv luam tawm cov lag luam. Yog li ntawd, cov tuam txhab luam ntawv luam yuav tsum tau muab cov kev sib tw ua ke ntawm cov lag luam nrog cov yam ntxwv ntawm cov khoom, thiab pab cov neeg ua haujlwm nrog cov nqi qis tshaj thiab qhov ua tau zoo tshaj plaws. Nyob rau hauv cov teeb meem ntawm kev sib koom tes ntawm cov caij nyoog thiab cov teeb meem, daim ntawv thov kev tshuaj luam ntawv ntawm cov iav khoom yog tseeg yam ua tau zoo heev, uas muaj peev xwm nce kev lag luam kev lag luam thiab qhib ntau yam kev lag luam.
Raws li lub tsev kho kom zoo nkauj, iav muaj qhov zoo ntawm kev sib tiaj thiab pob tshab, npog cua thiab nag, thiab yooj yim rau txhuam. Tom qab qhov screen printing, lub iav siv rau sab hauv tsev thiab sab nrauv kho kom zoo dua qub, uas zoo siab rau cov neeg lub neej thiab kev xav tau zoo nkauj. Txhua yam zoo nkauj thiab zoo nkauj qauv sib tw nrog sib thiab ua qhov zoo tshaj plaws ntawm nws. Tam sim no iav ntim tau pib tsim rau cov khoom siv kho mob thiab cov khoom ua lag luam. Qhov zoo ntawm cov iav khoom dai kom zoo nkauj nrog cov vijtsam tshuab luam ntawv yuav dhau los ua ib qho kev loj hlob tshiab rau iav luam ntawv.
Ua ntej, qhov screen printing txheej txheem ntawm iav
Raws li txoj ntsiab cai ntawm kev luam ntawv, daim ntawv tus number case yog luam tawm ntawm lub iav, thiab tom qab ntawd ces siv txoj hau kev ntawm tus cwj pwm, thiab cov qauv luam tawm yog ruaj khov thiab ruaj khov. Txoj kev khiav yog raws li nram no:
Ncab nqa ntawm tes → lub nplhaib → kom qhuav → kev luam ntawv → kev tsim kom khov
Ncua
Ca iav → txiav → edging → tu thiab ziab → luam ntawv
Ncua
Sintering
1. Tsim nyog rau luam ntawv khob
Txiav lub khob raws li tus neeg siv yuav tsum tau, nws tuaj yeem ua zoo lawm, los yog nws tuaj yeem tsis zoo, ces nws yuav tsum tau edged thiab hauv av, ces ntxuav thiab qhuav rau kev siv. Yuav tsum tau saib xyuas tshwj xeeb ntawm no tias yuav tsum tsis muaj dej dab tsi ntawm lub iav ntu.
2. Ntsuas xaiv
Lub vijtsam luam tawm phaj rau iav luam ntawv yog tib yam li cov kev tshuaj ntsuam luam ntawv, thiab iav screen printing phaj yog ua los ntawm hluavtaws fiber ntau mesh, stainless hlau hlau mesh thiab cov txiv mab txiv ntoo fiber ntau. Thaum luam yeeb xim, cov ntaub ntawv saum toj no tau siv, feem ntau siv pheej yig hluavtaws hluavtaws mesh; thaum siv raws li kub thiab nyiaj kho kom zoo nkauj, stainless hlau xaim mesh tsis tau xaiv. Cov specifications ntawm cov hlau mesh feem ntau yog 270 mus rau 300 mesh.
3. Kev xaiv xaiv
Tam sim no, cov kab uas raug ib txwm ua thiab muaj cov me nyuam deformation me ntsis yog ib qho txhuas txha, thiab nws qhov loj yuav tsum loj dua tus qauv. Qhov loj me me yuav tsum yog txheej xwm txheej ntawm qhov qauv yuav tsum yog nruab nrab ntawm 70 thiab 100 hli los ntawm tus ncej. Ntxiv rau qhov xaiv lub thav duab, nws lub zog yog qhov tseem ceeb, tus yuam sij yog tias lub rigidity nyob hauv txoj kev taw qhia yog txaus. 4. Ncab lub nplai thiab lub ntsej mesh, sib txuas ob lub, qhov no yog lub vas stretch. Muaj ntau txoj kev los rub lub vas. Nws tuaj yeem ua tes, maneuvered lossis pneumatic. Tam sim no, qhov ntau tshaj, zoo-tshuaj ntsuam yog lub pneumatic stretcher. Qhov yuav tsum tau ua rau ntawm lub voj voos yog tias qhov nro tsis zoo, web warp thiab weft khaws cia ntsug, thiab lub nplaum mesh yog ruaj thiab tsis tau slack.
5. Xaiv cov duab ci ntsa iab
Tam sim no, cov khoom lag luam uas muaj hluav taws xob muaj muag yog dichromate, diazonium, thiab ntsev hlau. Txhob lo lo ntxhuav kev luam ntawv yuav tsum tau cov duab ci ntsa iab: cov phaj ua zoo thiab ua kom yooj yim. Cov cua ntsawj ntshab ntau yam ntawm 340 mus rau 440 nm, nrog kev ua haujlwm zoo, kev siab, zoo stability, yooj yim cia, nyiaj txiag, tsis muaj kuab lom thiab tsis muaj paug. Cov ntawv yuav tsum luam tawm ntawm cov ntaub ntawv tuaj yeem yog: cov ntawv luam tawm uas tsim los ntawm cov khoom siv duab ua kom pom zoo rau cov kev xav tau ntawm ntau hom phaw, muaj ib tus qauv zoo heev, muaj peev xwm tiv taus qhov kev txav ntawm lub squeegee phaj ib lub sij hawm ntau zaus; lub zog quab yuam nrog qhov kev tshuaj ntsuam yog qhov zoo, thaum luam ntawv Tsis tsim tawm cov yeeb yaj kiab tso tawm; yooj yim rau tev, uas yog conducive rau recycling ntawm lub phaj tshuaj ntsuam.
6. Luam cov ntawv
Tom qab xaiv cov ntaub ntawv saum toj no, cov duab hluav taws xob ua ntim rau hauv qhov tsaus ntuj; cov ntawv yuav tsum yog yam tsis zoo thiab ces qhuav, thiab nws yog feem ntau yuav tsum tau thov ob zaug. Cov ntawv xov xwm luam tawm yuav tsum raug rau lub teeb txias qhov muag tshuab, thiab lub sij hawm raug txiav txim raws li tus qauv, feem ntau ntawm 12 thiab 30 feeb. Vijtsam luam ntawv ntxig tau tsim tawm tom qab kis tau tawm thiab kev txhim kho.
7. Kev luam tawm
Muaj ntau ntau hom iav tshuab luam ntawv: phau ntawv, semi-automatic thiab tsis siv neeg. Cov ntawv xovxwm yog tsim rau me me-ntim, me me-loj ca iav. Lub tshuab luam ntawv uas tsis yog semi-automatic thiab tsis siv lub tshuab tsis zoo tuaj yeem tsim kev luam tawm hauv cov leb loj thiab cov qauv loj, thiab muaj qhov zoo ntawm qhov tseeb thiab kev ceev. Lub siab tshaj plaws semi-automatic xovxwm tau luam tawm 2000 x 1500 hli iav. Lub tshuab luam ntawv tsis zoo siab feem ntau yog siv rau kev luam tawm ntawm cov tsheb ciav hlau, thiab ntau lub tuam txhab txawv teb chaws tuaj yeem muab cov khoom siv.
8. Mauv
Hauv cov ntaub iav hauv tshuab ntxhua khaub ncaws siv cov tshuaj pleev ua ob hom, ib qho yog qhov uas cov pigments inorganic yog cov av mus rau ib theem ntawm fineness. Ntxiv cov roj acrylic, qhov screen yog luam tawm ntawm cov iav, thiab nws yuav tsum raug rho tawm thaum kub siab (siab tshaj 600 ° C) rau 1-2 nas this. Lub plhaub ntim quav thiab cov iav ntsa tawv sib tov ua ke, thiab lub siab nyiam zoo heev. Cov cua kub kub ntawm no tus cwj pwm yog siab tshaj 600 ° C. Txawm li cas los, vim hais tias qhov kev tshuaj ntsuam kev luam ntawv yog kim thiab nyuaj, nws tsis tshua siv nyob rau hauv kev lag luam luam tawm kev lag luam. Tus lwm yam yog ib lub ciaj uas tsis muaj kabmob uas yog siv ib lub tshuab los ntawm polymer los ua ib tus binder, thiab ob hom amino thiab cov epoxy yam yuav tsum tau muab ci, thiab cov khw lag luam yog kim heev. Tus cwj pwm ntim tau siv ntawm l300 ~ 400 ° C rau 30 min tom qab tshuab luam ntawv, thiab kub kub ntawm no tus cwj pwm tsis tshua muaj. Txawm li cas los xij, lub sijhawm ci ntsa iab ntev dua, tus cwj mem muaj qhov zoo thiab kev ua kom zoo, thiab qhov ci ntsa iab kuj zoo heev, thiab tuaj yeem tiv thaiv qhov corrosion uas tsis muaj concentration electrolyte thiab cov kuab tshuaj xws li ethanol, acetone, benzene thiab cyclohexanone.
9. Sintering
Cov iav yog ib qho khoom amorphous inorganic uas softens raws li qhov kub nce, thiab thaum uas rhuav kom sov so ntawm qhov iav, iav deforms. Cov iav glaze yog dai rau ntawm cov iav ntawm silk npo luam tawm, thiab yuav tsum tau muab tsau rau cov iav ntawm sintering iav, tab sis cov sintering kub yuav tsum qis dua qhov kub qhov muag ntawm cov iav zoo nkauj kom paub meej tias cov hniav iav tsis deformed. Feem ntau, cov iav glaze muaj sintering kub tsis tshaj 520 ° C, thiab feem ntau yog tswj ntawm 480 rau 520 ° C. Glass-glazes tsawg-kub yog tsim los ntawm ntau lub tuam txhab nyob rau hauv Suav teb, thiab cov nqi tseem tsawg. Muaj ntau lub tuam txhab txawv teb chaws tuaj yeem muab cov khoom zoo sib xws, tab sis tus nqi yog ib qho rau nees nkaum lub sij hawm sib txawv ntawm cov neeg txom nyem. Kev noj haus hauv plawg tsis tau mus txog qib uas siv cov glazes, tab sis cov glazes muab rau txawv teb chaws no zoo dua li cov xim txawv thiab theem.
Los txhim kho qhov zoo ntawm cov hniav iav, nws yog kev tsis pom zoo los txhim kho cov qib glaze. Cov khoom sintering muaj lub nplaim taws ua kom sov thiab cua sov, thiab cov cua sov uas ua haujlwm rau hauv nruab nrab yog muab faib ua ib hom kab ntsig daus thiab ib hom kab rov tav rau cov menyuam yaus raws li txoj hlua khi. Lub laj fai ntsug ntawm cov cua ntsev yog qhov zoo tshaj plaws ntawm kev sintering me me thiab cov qoob loo ntawm ntau tshaj 95%, tab sis cov khoom siv nyuab. Kab rov tav rau cov menyuam hloov tsis tau yooj yim rau deform thiab cov qoob loo yog tsawg. Tsis tas li ntawd, nws kuj yog ua tau siv ib txoj kab tav toj tav toj ua kom zoo nkauj iav. Qhov qhab nia ntawm qhov khoom zoo tuaj lawm thiab kev ruaj ntseg yog guaranteed. Nws yog ib txoj kev zoo nkauj sintering. [txuas ntxiv]
Qhov thib ob, cov iav screen printing yog nws tsis ua haujlwm
Qhov tshwm sim ntawm silk screen failures yog ib nrab vim ib qho hauv ib qho, tab sis ntau tshaj yog qhov tshwm sim ntawm kev sib tw-muaj ntau yam ua rau. Qhov no yog tus neeg teb xov tooj txoj kev txiav txim ntawm qhov ua rau tsis ua hauj lwm ntawm iav kev luam ntawv, thiab them nyiaj tshwj xeeb thaum noj cov ntsiab lus tiv thaiv:
1. Muab tshuaj
Muab tshuaj txhuam phaj, los kuj hu ua blockage, hais txog qhov tshwm sim ntawm qhov ntawm qhov ntawm qhov ntawm lub vijtsam luam ntawv tsis tuaj yeem hloov cov cwj mem rau lub substrate thaum luam ntawv. Cov tsos ntawm qhov tshwm sim no yuav cuam tshuam qhov zoo ntawm kev luam ntawv, thiab txawm nyob rau hauv qee zaus, kev luam ntawv tsis tsim nyog.
Qhov ua rau muaj qhov tshwm sim tshwm sim thaum lub sij hawm kev tshuaj xyuas kev luam ntawv nyuab. Qhov laj thawj ntawm kev muab tshuaj txhuam tau muab los soj ntsuam los ntawm cov nram qab no:
① iav vim li cas: iav ntim tsis huv, muaj watermarks, ntawv luam, mime printing, ntiv tes, hmoov av thiab lwm yam av. Yog li ua ib qho muab tshuaj;
② yog vim li cas rau qhov ntsuas kub, qhov av thiab cov lej ntawm cov rhiav. Lub tshuab luam ntawv lub tshuab luam ntawv yuav tsum muaj qhov ntsuas kub txog 20 ° C thiab ib qho txheeb ze ntawm kwv yees li ntawm 50%. Yog hais tias qhov kub thiab siab ntub dej tsawg tsawg, qhov hnyav ntawm tus cwj pwm hauv lub cev yuav ua sai sai no, thiab cov xauv npo ntawm qhov screen yuav ua rau siab, uas thaiv cov kab ntawm lub ntsej muag. Lwm tus taw tes rau kev ceeb toom yog tias qhov downtime ntev dhau lawm, nws yuav los ua ib qho kev tshwm sim muab tshuaj. Lub sij hawm ntev, qhov loj tshaj qhov muab tshuaj txhuam. Secondly, yog lub ambient kub tsis muaj, tus number case flowability yog tsis zoo thiab cov muab tshuaj yog yooj yim generated;
③ laj thawj rau kev luam ntawv. Lub npo npo ntawm cov ntawv luam tawm yuav siv tom qab muab yaug dej thiab qhuav ua ntej siv. Yog tias koj muab tso rau hauv ib qho kev zoo, nws yuav tsis muab luam tawm rau lub sijhawm. Plua plav yog ntau dua los yog tsawg dua adhered thaum lub sij hawm preservation txheej txheem, thiab yog tias nws tsis yog ntxuav thaum lub sij hawm luam ntawv, nws yuav ua rau muab tshuaj txhuam.
④ vim li cas thiaj luam tawm siab. Txwv tsis pub dhau lub sij hawm luam tawm yuav ua rau lub tsheb ciav hlau khoov khawm. Tus cwj pwm tsis yog nyob rau hauv kab txuas nrog lub tshuab luam ntawv thiab cov iav, tab sis nyob rau hauv qhov chaw sib txuas lus, kom tus cwj mem muab ntxuav txhua lub sij hawm tus cwj pwm tawm sab nrauv, tawm ntawm tus ciam tom qab. Tom qab lub sijhawm, lub conjunctiva yuav ua ib qho muab tshuaj.
⑤ npo luam ntawv phaj thiab iav sib txawv tsis yog vim li cas. Qhov sib txawv ntawm cov ntawv luam tawm phaj thiab khob iav tsis pub dhau me me, qhov sib txawv me me. Tom qab muab cov ntawv luam tawm, lub khob tshuaj ntsuam tsis tau muab cais tawm ntawm iav hauv lub sijhawm. Thaum cov ntawv luam tawm phaj nyhav, ib lub cwj mem xees yog khoov rau hauv qab ntawm cov ntawv phaj, uas yog ib qho yooj yim kom ua rau tshuaj ntsuab. lub rooj tsavxwm.
⑥ Yog vim li cas rau tus number case yog tias thaum cov xim ntawm cov npo luam tawm thiab lwm cov khoom siv loj, qhov tshwm sim ntawm kev thaiv cov mesh yuav tshwm sim.
Tsis tas li ntawd, mesh me me thiab ntawm qhov chaw ntawm qhov xaiv mesh yog me dua li qhov luaj li cas ntawm cov lej, thiab nws kuj yog ib qho ntawm cov txheej xwm seb vim li cas tus cwj mem ntawm cov coarser hais tsis yooj yim los ntawm cov mesh. Qhov muab tshuaj los ntawm cov zauv loj ntawm cov cwj mem muaj peev xwm daws tau los ntawm lub sij hawm ntawm kev tsim tus cwj mem, thiab lub ntsiab txoj kev yog los tswj cov fineness ntawm tus cwj mem.
Hauv cov txheej txheem luam ntawv, daim npog viscosity yog nce mus ua tus muab tshuaj, qhov tseem ceeb yog tias tus xaj hnyav ntawm lub vijtsam tshuab luam yeeb evaporates, ua rau muaj kev nce ntxiv ntawm tus lej ntawm qhov xauv npo, thiab qhov tshwm sim ntawm sealing cov net tshwm sim. Yog hais tias thaj tsam ntawm daim duab tau loj dua, tus cwj mem ntawm lub npo ntawm lub tshuab luam ntawv siv ntau heev, thiab qhov tshwm sim muaj tsawg dua. Yog hais tias qhov chaw cheeb tsam me me thiab tus cwj mem kua ntawm cov ntawv luam tawm phaj yog me me, nws yog ib qho yooj yim kom ua ib qho muab tshuaj txhuam. Qhov kev tiv thaiv no yog siv tus number case number case los kho cov ntsiab lus. Tus cwj pwm xiam hoob nab ntawm tus cwj pwm ua rau tus number case los ua ib qho muab tshuaj thaum nws tsis dhau ntawm qhov screen. Qhov no yuav daws tau los ntawm kev txo cov viscosity ntawm tus number case thiab kev txhim kho cov fluidity ntawm tus cwj mem tsis cuam tshuam cov luam zoo. Tom qab ib qho tsis ua hauj lwm muaj tshwm sim, nws tuaj yeem txhuam nrog ib qho kev hnyav rau qhov xwm ntawm tus cwj mem ntawm lub phaj. Lub ntsiab lus tseem ceeb ntawm kev zom khoom yog pib los ntawm cov luam tawm thiab maj mam so tawm ntawm qhov nruab nrab mus rau sab nraud. Kos lub phaj tom qab so. Yog tias muaj kev tsis zoo, nws yuav tsum kho thaum lub sijhawm. Tom qab kho, lub tshuab luam ntawv tuaj yeem pib dua. Nws yuav tsum tau sau tseg tias lub phaj yog thinned txhua zaus nws yog scrubbed. Yog hais tias zaj yeeb yaj kiab ua rau muaj kev txhim kho hauv cov yeeb yaj kiab, nws yuav tsum tau hloov nrog lub tshiab.
2. Cov xaj kua mis tsis ruaj khov rau iav
① Thaum luam ntawv rau iav, nws yog ib qho tseem ceeb uas yuav tsum ua kom muaj kev soj ntsuam ua ntej thiab ua ntej kuaj los ntawm lub khob ua ntej luam ntawv. Thaum ib yam khoom xws li roj, ib lub binder, lossis ib lub plag adheres rau ntawm lub khob, cov number case thiab cov iav tsis zoo.
② Adhesion tsis zoo ntawm tus cwj pwm nws tus kheej ua rau tus cwj pwm xaj yuav tsum khov kho. Nws yog qhov zoo tshaj los hloov cov hom kua number case rau luam ntawv. Yog hais tias qhov hnyav hnyav ua tsis zoo, tus cwj pwm xinesmas yuav tsis ua zoo. Thaum xaiv ib qho hnyav hnyav, cov khoom ntawm tus cwj mem yuav tsum raug xam tias yuav tsum tsis txhob muaj qhov tshwm sim tias tus number case thiab cov khoom siv tsis ruaj khov.
3. Tsis muaj tseeb ink
Lub thickness ntawm tus number case zaj duab xis yog tsis uniform. Yog vim li cas ntau yam. Nyob rau hauv cov nqe lus ntawm tus number case, tus number case yog tsis zoo, los yog tus number case uas feem ntau yog blended yog tov nrog tus number case. Thaum luam ntawv, nws nthuav dav thiab ua kom muag muag vim qhov ua rau cov tshuaj hnyav, thiab yuav tsum muaj cov ink-permeable. Lub mesh thaiv thiab ua raws li lub phaj kom tiv thaiv tau tus number case ntawm dhau. Yuav kom tiv thaiv tau hom kab mob no, tus qauv numbered (tshwj xeeb tshaj yog cov laus tus cwj mem) yuav tsum tau lim ib zaug thiab siv ua ntej siv. Thaum rov qab siv cov phaj siv, tus npuag qub uas txuas rau ntawm daim duab yuav tsum muab tshem tag nrho. Thaum lub phaj khaws cia tom qab luam ntawv, nws yuav tsum tau ntxuav tag nrho (nrog rau khoov). Yog hais tias qhov kawg ntawm lub plhaub ntawm lub plhaub rov qab daim ntawv ploj lawm, qhov lw yuav tshwm sim raws li kev txav ntawm lub cwj mem. Thaum luam ntawv iav, muaj ib qho kev tsis sib haum xeeb nyob rau hauv tus number case. Yog li ntawd, lub hauv ntej kawg ntawm tus cwj pwm yuav tsum tau zoo tiv thaiv ntawm kev puas tsuaj, thiab yog hais tias nws yog puas, nws yuav tsum ua kom zoo zoo hauv av nrog ib tug grinder. Txuas ntxiv, qhov tsis ncaj ntawm lub rooj luam ntawv tseem muaj feem xyuam rau kev tsis sib luag ntawm tus cwj mem. Lub plhaub txheej ntawm kab hauv seem yog thin, thiab tus number case txheej ntawm cov khoom siv hauv qhov khi yog tuab. Cov phenomenon no kuj hu ua unevenness ntawm number case. Tsis tas li, yog tias sab nraum qab ntawm lub substrate los yog cov ntawv luam tawm plua plav, qhov saum toj no tsis ua.
4. Pinhole
Pinhole phenomenon yog qhov mob taub hau loj tshaj plaws rau cov neeg ua haujlwm koom nrog iav screen printing. Muaj ntau lub hauv paus rau pinholes tshwm sim, ntau yam uas tam sim no tsis paub, thiab ib txhia yog cov teeb meem kev tswj zoo. Pinholes yog cov khoom tseem ceeb tshaj plaws hauv kev kuaj xyuas cov khoom luam tawm.
① Plua tshauv thiab txawv teb chaws txuas nrog lub phaj. Thaum lub sijhawm phaj txiav txim siab, yuav muaj qee yam nyob hauv kev ntxuav tes thiab kev tsim kho. Tsis tas li ntawd, thaum cov emulsion siv, hmoov av tseem sib xyaw rau hauv, thiab pinholes yog tsim los ntawm adhering rau qhov screen. Cov no tuaj yeem pom thiab kho thaum lub sijhawm kuaj xyuas. Yog tias plua tshauv thiab txawv teb chaws tuaj yeem tsim qhov koob tshuaj, thaiv qhov qhib qhov rooj tuaj yeem ua rau pinholes. Ua ntej txoj haujlwm luam, koj yuav tsum ua tib zoo xyuas qhov ntsuas kom tshem tawm cov av ntawm daim phaj;
② kev ntxuav ntawm iav nto. Cov phom iav yuav tsum tau ua ntej kho ua ntej luam ntawv ua kom lub qhov dej huv thiab sau tam sim ntawd. Yog tias lub iav ua tiav, nws yuav tsis muab luam tawm tam sim ntawd thiab yuav muaj kab mob dua. Kev kho mob ua ntej tshem tawm cov av xws li cov roj thiab, tib lub sijhawm, tshem cov plua plav adhering rau ntawm qhov chaw. Them nyiaj tshwj xeeb kom paub tseeb tias thaum iav yog txav los ntawm txhais tes, cov ntiv tes ntawm tes yuav tsum sib txuas mus rau ntawm qhov chaw luam ntawv, thiab cov pa pinholes yuav tsim tau thaum luam ntawv.
5. Npuas
Cov iav tej zaum kuj muaj npuas rau tom qab luam ntawv. Lub ntsiab ntawm lub npuas yog raws li nram no: 1. Cov ntawv sab saud tsis zoo ua ntej luam ntawv. Qhov saum npoo ntawm lub substrate yog txuas nrog cov plua tshauv thiab roj; 2 npuas rau hauv tus number case. Yuav kom kho tus cwj mem ntxiv, thaum muab tshuaj ntxiv thiab ntxiv rau cov nplawm, qee tus npuas yuav muab xyaw rau hauv tus number case. Yog hais tias tsis tau sib tham, tus number case nrog cov viscosity tsawg yuav ua rau kev npau taws, thiab qee qhov hauv siab nrog siab viscosity yuav tsis raug lawm defoamed. Qee cov npuas no tau muab tshem tawm thaum lub sij hawm luam tawm vim muaj kev hloov ntawm cov lej, thiab qee qhov yog qhov loj thiab loj. Yuav kom tshem cov npuas no, siv cov tshuaj tua kabmob (antifoaming agent), thiab feem ntau ntawm cov tshuaj tua kabmob (antifoaming agent) ntawm tus lej feem ntau yog kwv yees li 0.1% ntawm 1%, thiab yog tias nws muaj ntau tshaj ib qhov kev txiav txim siab, nws yuav ua raws li kev ua haujlwm ntau ua. Txawm hais tias tus number case yog hloov mus rau tom qab hloov mus, yog ntev li ntawm qhov dej ntawm lub substrate thiab cov fluidity ntawm tus cwj pwm yog zoo, cov npuas nyob rau saum npoo ntawm cov ntawv luam tawm cwj pwm film maj mam tshem, . Yog hais tias tus npauj npaim tsis yog muab tshem tawm, tus cwj pwm xoom cim ua ib zaj duab xis tsis zoo nkauj annular. Feem ntau, cov npuas nyob hauv tus number case tuaj yeem defoamed los ntawm qhov kev txiav txim ntawm qhov screen thaum huas dhau ntawm qhov screen; 3 cov ntawv ceev ceev yog ceev dhau los sis cov luam ceev tsis sib luag, thiab npuas tsim. Lub tshuab luam ntawv ceev nrooj yuav tsum raug txo kom muaj kev ceev nrooj ntawm kev luam ntawv.
6. Electrostatic tsis ua hauj lwm
Cov electrostatic tam sim no feem ntau me me, tab sis qhov kev sib txawv muaj peev xwm loj heev, thiab tej zaum muaj phenomena xws li attraction, repulsion, conduction, thiab kev tawm. 1 qhov teebmeem phom sij ntawm kev luam ntawv. Qhov kev tshuaj ntsuam thaum lub sij hawm kev luam ntawv ua kom zoo rau cov roj hmab thiab lub voj voos vim tias qhov muag ceev ntawm lub taub hau txig. Thaum lub vijtsam xwb, nws yuav ua rau lub cev tsis zoo thiab ua rau tsis ua haujlwm; nws yuav tsum tau sucked los ntawm qhov kev tshuaj ntsuam thaum lub sij hawm ntawm qhov tso tawm ntawm substrate; 2 Txoj kev tiv thaiv kev tiv thaiv hluav taws xob. Cov txheej txheem los tiv thaiv kev tsim hluav taws xob muaj xws li: tsim kho cua sov thiab ua kom cov av qis dua. Qhov kub zoo yog feem ntau yog kwv yees li 20 ° C, thiab tus txheeb ze ntawm cov vaum yog li 60%; lub zog hluav taws xob muaj peev xwm kis tau rau hauv cov cua; lub mesh nrug txo, thiab lub luam ntawv ceev txo.
7. Cov cwj mem puv xoob loj yog qhov loj dua
Tom qab tshuaj ntsuam luam tawm, muaj qee zaus kev nce luam loj. Lub ntsiab tseem ceeb rau kev nce hauv luam loj yog tias cov viscosity ntawm tus cwj mem tsis muaj tsawg thiab cov fluidity loj dhau; qhov luaj li cas ntawm lub vijtsam luaj luam ntawv loj dua thaum lub zeem muag, uas yog lub hauv paus ntawm lub luaj liam loj. Yuav kom tsis txhob ntim ntau tus lej thiab ua rau tus number case tom qab luam ntawv, ua rau loj loj loj, nws yog conceivable kom viscosity ntawm tus number case los txo cov fluidity ntawm tus number case. Thaum ua cov vijtsam luam ntawv, qhov zoo ntawm lub phaj tshuaj ntsuam yuav tsum nruj me ntsis kom paub tseeb tias qhov nro ntawm lub phaj tshuaj ntsuam. [txuas ntxiv]
8. Luam cov ntawv luam tawm lej
Ib feem ntawm cov yeeb yaj kiab leem number case, uas hu ua tus lej tsis ua haujlwm. Qhov laj thawj yog: ib feem ntawm qhov txeej raug mob; lub siab ntawm tus cwj mem yog loj; qhov sib txawv ntawm lub phaj thiab iav yog loj dhau; tus ncej yog deformed heev, thiab ib nrab printing siab tsis txaus: Tus number case yog tsis niaj hnub; qhov screen zoo dhau; cov ntawv luam tawm yog ceev heev. Yog tias cov plua plav tov rau hauv iav thiab hauv tus cwj mem, thiab luam tawm ua yam tsis tau kho, cov yeeb yaj kiab yuav raug puas los ntawm qhov kev xav ntawm lub cwj mem; cov pinhole yuav tsim los ntawm cov khoom tsis txaus los ntawm cov phaj ua, thiab cov yeeb yaj kiab yuav qias. Nyob rau lub sij hawm no, ib daim kab xev nplaum los yog cov zoo li yuav tuaj yeem txuas nrog sab nraum qab ntawm lub phaj rau kev kho mob ceev. Yog tias qhov kev lag luam no tsis nrawm heev, tus number case ntawm qhov tsim yuav tau qhuav, thiab tag nrho cov phaj twb yuav tsum tau so nrog tus hnyav. Lub plhaub wiping tseem yog lub luag hauj lwm rau lub zom ntawm cov zaj duab xis, yog li nws yog qhov zoo tshaj plaws kom tsis txhob nws. Cov lej ntawm lub phaj feem ntau tshwm sim nyob rau hauv qhov chaw uas tus lej cim nyob rau hauv, ces nws yog qhov zoo los ntxiv dag zog rau qhov no thaum lub phaj ua.
9. Mauv
Tus cwj mem yog ib txoj hlua zoo ib yam ntawm cov duab nraaj thiab qhov tsaus ntuj nti, uas cuam tshuam rau cov nyhuv luam tawm. Iav tshuaj ntsuam luam ntawv yog ib qho yooj yim thiab tsim tau qhov tshwm sim no. Vim li cas ho muaj raws li nram no: cov zauv luam ntawv thiab ziab ntawm tus cwj mem zis muaj qeeb heev; tus number case txheej yog ib yam nkaus xwb; tus number case thixotropy loj; tus cawv ntawm cov hluav taws xob zoo li qub; cov pigment dispersion hauv tus number case yog pluag, thiab cov khoom agglomerate thiab tshwm xim vim polarity nkaus ntawm cov xim hais. Dot blot. Txoj kev khees me ntsis lawm yog: txhim kho tus cwj pwm ntawm tus cwj pwm; siv cov kua nplaum tsau qhuav; luam tawm uas muaj siab khov viscosity ntau npaum li ntau tau: ua rau cov ntub zaj duab xis ntawm cov cwj mem ntxiv, sim siv mis ua los ntawm cov xim uas muaj roj me me: txo cov cawv ntawm cov hluav taws xob zoo li qub.
10. Duab teeb meem
Cov xov xwm luam ntawv uas siv rau cov ntawv xov xwm los ntawm tus cwj pwm tuaj yeem ua rau txoj kab txuas ntawm cov ntawv xov xwm thiab cov teeb meem luam tawm, thiab nws yuav tsum tsis pub dhau. Yog tias lub tshuab luam ntawv loj heev, daim ntawv phaj yuav tiv tauj rau sab hauv substrate, uas yuav ua rau qhov kev nthuav dav kom nthuav dav thiab daim ntawv cog lus, ua rau cov duab luam tau deformed. Vijtsam luam ntawv yog ib qho ntawm cov qauv luam tawm me me hauv ntau txoj kev luam tawm. Yog tias peb tsis nco qab li no, peb tsis tuaj yeem luam tawm zoo. Yog tias qhov siab tsis tuaj yeem muab luam tawm tsis muaj qhov siab, qhov sib txawv nruab nrab ntawm qhov teeb tsa thiab iav qhov yuav tsum tau txo, yog li ntawd lub siab ntawm kev zais pa yuav txo.
Thib peb, daim ntawv thov kev tshuaj ntsuam cov iav ca thiab nws txoj kev ua lag luam
Vijtsam luam tawm iav nplaum yog siv rau hauv txhua lub hauv paus ntawm tib neeg lub neej: koj tuaj yeem yooj yim nrhiav tau lawv hauv cov qhov rais, qhov chaw ntawm qhov chaw, lub tsev sab nraud, lub tsheb cua thiab cov iav mosaic. Ib txhij. Lawv kuj siv rau hauv cov rooj tog zaum thiab cov cuab yeej ua si, zoo li hauv cov khoom tsim kom muaj ntau thiab zoo nkauj. Vijtsam luam tawm kuj yog ib feem ntawm kev tsim cov haujlwm tsim rau iav raug. Cov neeg tuaj yeem luam cov duab tha xim ncaj qha mus rau lub iav ntim ntawm npo luam tawm. Tsis tas li ntawd, nws kuj siv tau los siv lub duav npog ntawm lub iav ntim, los yog kom luam cov khoom ntxiv xws li cov tshuaj txhuam hauv cov pa ntawm cov iav ntsa uas tsis cuam tshuam los ntawm qhov kub ntxhov lossis zom. Hauv kev sib piv, tshwj xeeb tus cwj pwm tuaj yeem sau ncaj qha luam tawm los tsim ib qho kev cuam tshuam los sis zom zaws. qee zaus. Cov neeg kuj tso siab rau lub zog zais npo ntawm kev luam ntawv, xws li luam ntawv nyias txheej ntawm cov khoom siv rau hauv iav, siv los ua thaiv dej khov (teov) rau qhov rais.
Vijtsam luam tawm tseem nthuav dav nyob rau hauv lub tshav pob ntawm daus decoration. Ntxiv nrog rau nws cov ntaub ntawv luam tawm rau ntau yam ntaub ntawv, lwm qhov tseem ceeb tshaj plaws yog tias nws tuaj yeem ntsib ntau ntawm cov iav hauv qab substrates ntawm qhov ntau thiab tsawg zus. Ntxiv mus, vim yog qhov zoo tshaj plaws ntawm kev tshuaj ntsuam luam tawm hauv ultra-loj hom duab luam ntawv, nws tau muaj zog ua nws txoj hauj lwm nyob rau hauv txoj kev loj hlob ntawm tag nrho cov pav ca iav luam tawm kev lag luam. Nyob rau hauv kev, nyob rau hauv xyoo tsis ntev los, qhov kev thov rau loj-hom ca iav luam tawm tau nce nyuaj. Qhov tseeb, vim muaj kev loj hlob sai ntawm cov ntawv luam tawm hauv kev ua haujlwm ntawm hom loj loj lub iav kom zoo nkauj, cov khoom siv lag luam luam tawm yog cov tsim kho kom haum rau cov kev xav tau ntxiv, tshwj xeeb tshaj yog nyob rau ntawm lub iav ca, ua rau muaj ntau lub ntiaj teb feem ntau hloov tau Cov cuab yeej siv dav dav siv rau hauv cov ntawv luam ntawm lub rooj ua ke.
Daim ntawv thov ntawm kev luam ntawv nyob rau hauv lub dai kom zoo nkauj ntawm ca iav yuav mus txuas ntxiv tsim thiab txuas ntxiv mus nthuav nws daim ntawv thov nyob rau hauv iav dai kom zoo nkauj. Lub tshuab luam ntawv tshuab luam ntawv muaj kev ceev ceev xaav, nrog rau ntau lub hwjchim uas muaj zog, nrog lub PLC uas muaj zog (Logic Controllable Device), uas tsim kho kom muaj zog thiab cov duab zoo, kom ntseeg tau tias nws ua lag luam nyob rau hauv lub rooj muag khoom iav. Tas mus li tas li.