Phau Ntawv Qhia: Kev luam ntawv txhob lo lo ntxhuav yog ib qho txheej txheem luam ntawv duab uas siv ntau heev hauv kev tsim cov khoom ntim khoom kom zoo nkauj. Los ntawm kev sib xyaw ua ke ntawm cov kua mem, kev luam ntawv tshuaj ntsuam, thiab cov khoom siv luam ntawv tshuaj ntsuam, cov kua mem raug xa mus rau lub substrate los ntawm lub mesh ntawm cov duab. Thaum lub sijhawm ua haujlwm, kev luam ntawv tshuaj ntsuam xim yuav raug cuam tshuam los ntawm qee yam thiab kev hloov pauv. Tsab xov xwm no tau ntim los ntawmpob khoom shanghai zaj sawv, thiab kuv yuav qhia rau koj ntau yam uas cuam tshuam rau kev hloov xim ntawm silk screen.
luam ntawv npo
Cov txheej txheem luam ntawv yog tias cov kua mem hla dhau ib feem ntawm lub mesh ntawm lub vijtsam thiab tom qab ntawd xau rau ntawm lub substrate. Qhov seem ntawm lub vijtsam raug thaiv thiab cov kua mem tsis tuaj yeem nkag mus. Thaum luam ntawv, cov kua mem raug nchuav rau ntawm lub vijtsam. Yog tsis muaj lub zog sab nraud, cov kua mem yuav tsis xau los ntawm lub mesh mus rau lub substrate. Thaum lub squeegee khawb cov kua mem nrog qee qhov siab thiab lub kaum sab xis, nws yuav hloov mus rau ntawm lub vijtsam. Mus rau lub substrate tom ntej kom paub daim qauv ntawm daim duab.
01 Kev sib xyaw ua kua mem
Yog tias xav tias cov xim hauv cov kua mem tau tsim kom zoo, qhov ua rau muaj kev hloov xim feem ntau yog cov tshuaj ntxiv. Hauv lub chaw ua haujlwm uas tswj tau zoo, cov kua mem yuav tsum tau muab rau lub tshuab luam ntawv txhua lub sijhawm tom qab nws npaj tiav, uas yog hais tias, lub tshuab luam ntawv yuav tsum tsis txhob sib tov cov kua mem. Hauv ntau lub tuam txhab, cov kua mem tsis tau kho thiab muab rau lub tshuab luam ntawv, tab sis tso rau cov tshuab luam ntawv kho, thiab lawv ntxiv thiab sib tov cov kua mem raws li lawv tus kheej xav. Yog li ntawd, qhov sib npaug ntawm cov xim hauv cov kua mem tawg. Rau cov kua mem uas siv dej lossis cov kua mem UV, cov dej hauv cov kua mem ua haujlwm ib yam li cov tshuaj hauv cov kua mem uas siv tshuaj. Ntxiv dej yuav ua rau cov zaj duab xis kua mem qhuav nyias thiab cuam tshuam rau cov xim ntawm cov kua mem, yog li txo qhov ceev ntawm cov xim. . Cov laj thawj rau cov teeb meem zoo li no tuaj yeem taug qab ntxiv.
Hauv lub tsev khaws cov kua mem, cov neeg ua haujlwm sib tov kua mem tsis siv lub cuab yeej ntsuas qhov hnyav, thiab tsuas yog cia siab rau lawv tus kheej qhov kev txiav txim siab los ntxiv cov kuab tshuaj kom raug, lossis qhov sib tov thawj zaug tsis tsim nyog, lossis qhov sib tov kua mem hloov pauv thaum luam ntawv, yog li cov kua mem sib tov yuav tsim cov xim sib txawv. Thaum txoj haujlwm no luam tawm dua yav tom ntej, qhov xwm txheej no yuav hnyav dua. Tshwj tsis yog tias muaj kua mem txaus los sau, nws yuav luag tsis yooj yim sua kom rov ua dua xim.
02 Xaiv qhov screen
Qhov txoj kab uas hla ntawm cov xov hlau thiab txoj kev ntawm kev xaws, uas yog, tiaj tus lossis twill, muaj kev cuam tshuam loj heev rau qhov tuab ntawm cov yeeb yaj kiab luam tawm. Tus neeg muab kev pabcuam ntawm cov ntxaij vab tshaus yuav muab cov ntaub ntawv qhia txog kev siv tshuab ntawm cov ntxaij vab tshaus, qhov tseem ceeb tshaj plaws theoretical number case volume, uas sawv cev rau qhov ntau ntawm cov number case hla dhau cov ntxaij vab tshaus hauv qee qhov kev luam ntawv, feem ntau qhia hauv cm3 / m2. Piv txwv li, 150 mesh / cm screen nrog lub mesh txoj kab uas hla ntawm 31μm yuav muaj peev xwm hla 11cm3 / m2 ntawm cov number case. Lub mesh nrog lub txoj kab uas hla ntawm 34μm thiab 150-mesh screen yuav hla 6cm3 ntawm cov number case ib square meter, uas yog sib npaug rau 11 thiab 6μm tuab cov txheej ntub dej number case. Nws tuaj yeem pom los ntawm qhov no tias qhov sawv cev yooj yim ntawm 150 mesh yuav ua rau koj tau txais cov tuab ntawm cov txheej number case sib txawv, thiab qhov tshwm sim yuav ua rau muaj qhov sib txawv loj hauv xim.
Nrog kev txhim kho ntawm cov thev naus laus zis ntawm cov xov hlau mesh weaving, nws yog qhov tsim nyog kom tau txais qee tus lej ntawm cov xov hlau twill es tsis txhob siv cov xov hlau mesh yooj yim. Txawm hais tias qhov no qee zaum ua tau, qhov ua tau yog me me heev. Qee zaum cov neeg muag khoom screen khaws qee cov ntxaij vab tshaus twill qub. Feem ntau hais lus, qhov ntim ntawm cov lej theoretical ntawm cov ntxaij vab tshaus no sib txawv li 10%. Yog tias koj siv cov ntxaij vab tshaus twill weave los luam tawm cov duab zoo, qhov tshwm sim ntawm kev tawg kab zoo yog ntau dua li ntawm cov ntxaij vab tshaus weave yooj yim.
03Kev ntxhov siab ntawm qhov screen
Qhov kev nruj qis ntawm lub vijtsam yuav ua rau lub vijtsam sib cais qeeb qeeb ntawm qhov chaw luam tawm, uas yuav cuam tshuam rau cov kua mem uas nyob ntawm lub vijtsam thiab ua rau muaj kev cuam tshuam xws li xim tsis sib xws. Ua li no, xim zoo li tau hloov pauv. Txhawm rau daws qhov teeb meem no, qhov deb ntawm lub vijtsam yuav tsum tau nce, uas yog, qhov deb ntawm lub phaj vijtsam uas tso kab rov tav thiab cov khoom luam ntawv yuav tsum tau nce. Kev nce qhov deb ntawm lub vijtsam txhais tau tias nce qhov siab ntawm lub squeegee, uas yuav cuam tshuam rau qhov ntau ntawm cov kua mem uas hla lub vijtsam thiab ua rau muaj kev hloov pauv ntxiv ntawm xim.
04Kev teeb tsa ntawm squeegee
Tus squeegee uas siv mos dua, tus number case yuav hla dhau lub vijtsam ntau dua. Qhov siab dua uas ua rau ntawm tus squeegee, qhov nrawm dua ntawm ntug hniav ntawm tus squeegee hnav thaum lub sijhawm luam ntawv. Qhov no yuav hloov qhov chaw sib cuag ntawm tus squeegee thiab cov khoom luam tawm, uas kuj tseem yuav hloov qhov ntau ntawm cov number case hla dhau lub vijtsam, thiab yog li ua rau xim hloov pauv. Kev hloov lub kaum sab xis ntawm tus squeegee kuj tseem yuav cuam tshuam rau qhov ntau ntawm cov number case lo rau. Yog tias tus squeegee khiav ceev dhau, qhov no yuav txo qhov tuab ntawm cov number case uas txuas nrog.
05Kev teeb tsa riam rov qab kua mem
Lub luag haujlwm ntawm rab riam rov qab kua mem yog los sau cov qhov ntawm daim ntaub thaiv nrog cov kua mem ruaj khov. Kev kho qhov siab, lub kaum sab xis thiab qhov ntse ntawm rab riam rov qab kua mem yuav ua rau lub mesh puv ntau dhau lossis tsis puv. Kev nias ntau dhau ntawm rab riam rov qab kua mem yuav yuam kom cov kua mem hla lub mesh, ua rau cov kua mem lo rau ntau dhau. Kev nias tsis txaus ntawm rab riam rov qab kua mem yuav ua rau tsuas yog ib feem ntawm lub mesh puv nrog kua mem, ua rau cov kua mem lo tsis txaus. Qhov ceev ntawm rab riam rov qab kua mem kuj tseem ceeb heev. Yog tias nws khiav qeeb dhau, cov kua mem yuav puv; yog tias nws khiav ceev dhau, nws yuav ua rau cov kua mem tsis txaus, uas zoo ib yam li qhov cuam tshuam ntawm kev hloov qhov ceev ntawm lub squeegee.
06Kev teeb tsa tshuab
Kev tswj cov txheej txheem ua tib zoo yog qhov tseem ceeb tshaj plaws. Kev kho kom ruaj khov thiab sib xws ntawm lub tshuab txhais tau tias xim ruaj khov thiab sib xws. Yog tias kev kho ntawm lub tshuab hloov pauv, ces xim yuav poob kev tswj hwm. Qhov teeb meem no feem ntau tshwm sim thaum cov neeg ua haujlwm luam ntawv hloov pauv, lossis tom qab ntawd cov neeg ua haujlwm luam ntawv hloov chaw ntawm lub tshuab luam ntawv raws li qhov xav tau kom hloov kho rau lawv tus kheej tus cwj pwm, uas yuav ua rau muaj kev hloov pauv xim. Lub tshuab luam ntawv ntau xim tshiab siv kev tswj hwm computer tsis siv neeg los tshem tawm qhov ua tau no. Ua kom cov chaw ruaj khov thiab sib xws rau lub tshuab luam ntawv thiab khaws cov chaw no tsis hloov pauv thoob plaws hauv txoj haujlwm luam ntawv.
07Cov ntaub ntawv luam tawm
Hauv kev lag luam luam ntawv, ib qho uas feem ntau tsis quav ntsej yog qhov sib xws ntawm cov khoom siv uas yuav luam tawm. Cov ntawv, cov ntawv cardboard thiab cov yas siv hauv kev luam ntawv feem ntau yog tsim tawm hauv cov pawg. Tus neeg muab khoom zoo tuaj yeem lav tias tag nrho cov khoom siv uas nws muab muaj qhov du zoo, tab sis tej yam tsis yog txhua lub sijhawm. Thaum lub sijhawm ua cov ntaub ntawv no, txhua qhov kev hloov pauv me me hauv cov txheej txheem yuav hloov xim thiab xim ntawm cov khoom siv. Qhov tiav ntawm qhov chaw. Thaum qhov no tshwm sim, cov xim luam tawm zoo li hloov pauv, txawm hais tias tsis muaj dab tsi hloov pauv thaum lub sijhawm luam ntawv tiag tiag.
Thaum peb xav luam tawm tib yam qauv ntawm ntau yam khoom siv, los ntawm cov yas corrugated mus rau cov duab zoo nkauj, ua kev tshaj tawm tshaj tawm, cov tshuab luam ntawv yuav ntsib cov teeb meem no. Lwm qhov teeb meem uas peb feem ntau ntsib yog tias peb cov ntawv luam tawm yuav tsum tau ntes nrog cov duab offset. Yog tias peb tsis ua tib zoo saib xyuas cov txheej txheem tswj, peb tsis muaj sijhawm. Kev tswj cov txheej txheem ceev faj suav nrog kev ntsuas xim raug, kev siv spectrophotometer los txiav txim siab xim kab, thiab densitometer los txiav txim siab peb lub xim tseem ceeb, yog li peb tuaj yeem luam tawm cov duab ruaj khov thiab sib xws ntawm ntau yam khoom siv.
08lub teeb ci
Nyob rau hauv cov teeb pom kev sib txawv, cov xim zoo li sib txawv, thiab tib neeg lub qhov muag rhiab heev rau cov kev hloov pauv no. Cov nyhuv no tuaj yeem txo qis los ntawm kev ua kom cov xim ntawm cov pigments siv rau hauv tag nrho cov kev ua haujlwm luam ntawv yog qhov tseeb thiab sib xws. Yog tias koj hloov cov neeg xa khoom, qhov no yuav yog kev puas tsuaj. Kev ntsuas xim thiab kev pom yog ib qho teb nyuaj heev. Txhawm rau kom ua tiav qhov kev tswj hwm zoo tshaj plaws, yuav tsum muaj lub voj voog kaw uas muaj cov chaw tsim khoom siv kua mem, kev sib xyaw kua mem, kev ua pov thawj thiab kev ntsuas qhov tseeb hauv cov txheej txheem luam ntawv.
09 qhuav
Qee zaum xim hloov vim yog kev kho kom tsis raug ntawm lub tshuab ziab khaub ncaws. Thaum luam ntawv lossis ntawv cardboard, yog tias qhov kub thiab txias ziab raug kho siab dhau, qhov xwm txheej feem ntau yog tias xim dawb hloov daj. Cov iav thiab cov lag luam ceramic feem ntau muaj teeb meem los ntawm kev hloov xim thaum lub sijhawm ziab lossis ci. Cov xim siv ntawm no yuav tsum tau hloov pauv tag nrho los ntawm xim luam tawm mus rau xim sintered. Cov xim sintered no tsis yog tsuas yog cuam tshuam los ntawm qhov kub thiab txias ci, tab sis kuj los ntawm oxidation lossis txo qis huab cua zoo hauv thaj chaw ci.
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Lub sijhawm tshaj tawm: Kaum Ib Hlis-04-2021