Yuav ua li cas cov ntaub ntawv luam ntawv cuam tshuam dab tsi cov ntawv xov xwm luam tawm zoo
Cov ntawv xov xwm luam tawm zoo tau dhau los ua ib qho ntawm qhov tseem ceeb kev sib tw cov khoom lag luam. Cov ntawv txheeb xyuas no, los ntawm qhov pom ntawm cov ntaub ntawv luam ntawv {}}, suav nrog cov ntawv xov xwm, ua li cas rau cov ntawv xov xwm luam tau zoo.
Substrate: Xov Xwm
Cov ntawv xov xwm yog cov cab kuj tseem ceeb rau kev luam cov ntawv xov xwm cov nplooj ntawv; Nws zoo thiab raug siv muaj cov nyhuv loj ntawm cov txiaj ntsig luam tawm.
1. Siv siab - Cov ntawv xov xwm zooCov ntawv xov xwm luam tawm ntawm high -}}}}} Cov ntawv sau ua ke, huv si thiab cov xim du, thiab muaj xim zoo nkauj. Hloov siab, qis -}}}}}}}}}}}}}}}} nees ntom, nce siab ntau dua, thiab cov khoom lag luam tonal. Yuav kom ua tiav cov siab luam zoo, cov ntawv xov xwm yuav tsum muaj cov khoom zoo: uas muaj kev sib piv zoo ntawm number case thiab cov ntawv thiab ua xim pom ntau dua); Zoo smoothness thiab nto tas (uas txo cov ntom ntom ntawm plaub}}}}} Cov ntxhiab tsw, thiab txhim kho lub ntsej muag zoo nkauj thiab txhim kho lub ntsej muag zoo nkauj); Thiab cov dej zoo tsis kam thiab nto lub zog.
Yog tias cov ntawv xov xwm muaj cov tshuaj uas muaj ntau, fillers, lossis cov tshuaj uas ntub uas muaj cov tshuaj pleev rau hauv cov kua mem kua thiab tom qab ntawd lawv sib tov nrog tus mem kua mis. Tias lowers number case piscosity thiab cuam tshuam tus kua mem kua - tiv taus cov khoom, ua kom nrawm emulsification ntawm number case.
2. Tswj Ntxuam -} tawm (hla - kev nthuav dav)Piv nrog cov ntawv ua lag luam ntawv siv rau semi - web lossis tag nrho cov tshuab hluav taws xob muaj zog thiab cov kev faib tawm fiber ntau. Cov ntawv xov xwm tau luam tawm ntawm cov webs siab ntawm kev kub siab heev (txog 11.4 m / s), uas ua rau kev tswj hwm kev hloov pauv hloov pauv ntau dua. Cov ntawv xov xwm yog raug rau peb lub zog - o rov tov, thiab lub web}}} zoo li tus neeg muaj peev xwm nthuav dav hauv tus ntoo khaub lig tshwm sim.
Raws li kev tshaj xov zoo zoo thiab tsim nyog, qauv kev ua haujlwm ntawm cov duab luam tawm tuaj yeem tuav tau nyob rau hauv lub teb chaws ob {xim ntau rau 0.3 hli; Cov ntawv xov xwm hwm tshaj plaws feem ntau xav tau ob - xim sau npe nyob hauv 0.15 hli. Niaj hnub nim web presses yog nruab nrog anti {{6} kiv cua {} tea}}} tawm cov khoom rau npe yuam kev. Nyob rau hauv cov luam ntawv raug ua ntu zus (C thiab M Cov khoom tseem ceeb - plaub tsib}} Cov ntawv nyeem cov xim, cov duab xov xwm thiab tseem ceeb}}}}} Thov kev sau npe nruj heev; Yog tias kev tsim khoom tuaj sib ntsib, hloov tes ua haujlwm tau hloov kho kom tsis txhob nyeem ntawv lossis cov neeg tsis txaus siab.
3. Kev tswj hwm lub vev xaib nrujLub vev xaib ruaj khov tswj lub sijhawm ntawv xov xwm yog qhov tseem ceeb heev. Tsis khov nro muaj peev xwm tiv thaiv kev tsis ruaj khov yuav ua rau theem siab, kev hloov pauv yav dhau los thiab ua kom muaj cov khib nyiab yog tias txiav los ntawm cov chaw luam tawm. Kev nthuav dav tsis xwm yeem tuaj yeem tsim wrinkles uas cuam tshuam rau kev tso npe.
Yog li ntawd, nro tswj yuav tsum tau hais meej. Ntawm daim ntawv sab, fiber ntau muaj pes tsawg leeg thiab cov kev taw qhia yuav tsum muaj khaub ncaws hnav; Txwv tsis pub, nws yuav cuam tshuam kev txi kev ua tau zoo ntawm cov laus thiab tshiab yob, khiav tus cwj pwm, tiaj, thiab qhov ntev kawg. Ntawm nias sab, tus unroger, cov neeg ua las voos, cov kab ke sab nraud, ua ke}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Txhua hnub kev txij nkawm ntawm cov ntu no yog qhov tsim nyog yuav tsum khaws lawv hauv qhov kev mob siab.
Xim Nruab Nrab: mem kua
Offset luam ntawv tso siab rau lub impriscimation ntawm cov roj thiab dej: dampening ua ntej, ces inking. Kev luam tawm me nyuam me thiab Tonal GRATION hauv cov xim khoom siv nyob ntawm kev xaiv Ink nqus; number case ua tau zoo rau luam tawm zoo. Hauv kev hloov pauv kev zam txim, inks rau cov ntawv xov xwm ntawv luam yuav tsum ua raws li cov cai hauv qab no.
1. Ink viscosity yuav tsum tsis txhob txo qisViscosity ntsuas ib qho dej ua kua rau sab hauv. Nws cuam tshuam rau kev hloov pauv tsis hloov, khaws thiab xa tawm thaum lub sijhawm luam ntawv. Qhov ntau dua viscosity inks muaj ntau dua cov dej khov ntawm cov kua mem kua txiv, tso cai rau cov kua mem kua txiv kom zoo dua li cov kua mem kua txiv thiab ua kom zoo dua cov kua dej thiab txo qis ink emulsification.
Hauv kev xyaum, Ink viscosity yog inversely correlated nrog emulsification nrog Flowabity nrog cov dej ntws tawm thiab muaj emulsification tsawg dua; Txo Viscosity → ntau dua flowerability, txo cov intmolecular cohesion, thiab nce ntau li emulsify.
2. Ink acid muaj txiaj ntsig yuav tsum tsis txhob siab dhauDawb fatty acids nyob rau hauv number case ua raws li surfactants. Qhov siab dua lawv cov ntsiab lus, ntau dua cov number case thiab ntau dua cov kua qaub; Qhov no yuav tsum muaj ntau qhov laj thawj ntawm cov ciav dej daws thiab txhawb emulsification. Yog li ntawd, inks xaiv rau cov ntawv xov xwm luam ntawv yuav tsum tau tswj hwm (tsis siab) acid tus nqi.
3. Ink qhov kub yuav tsum tsis txhob siab dhauTxhawb cov number case kub txo viscosity thiab nce cov dej ntws. Raws li intermolecular nyiam thiab cohesion txo, akesion txo, pub ntau dua cov dej daws kom tau nqus los ntawm cov number case thiab ua kom muaj zog emulsification. Hauv qab cov menyuam cov menyuam siab qhov no tuaj yeem ua rau kev nce thiab scumming. Yog li, tus cwj mem kub yuav tsum tau tswj thiab khaws cia los ua kev loj heev.
Luam tiv thaiv: Cov Ciav Txoj Cai
Ntws daws tau cuam tshuam cov ntawv xov xwm luam tawm zoo. Kev tshawb fawb, tseeb, thiab tsim nyog siv ntawm cov txheej txheem ntawm cov kev ua tau zoo kom phim cov ntawv luam tawm tshwj xeeb kom phim cov duab sib txuas 'hydrophilicity. Thaum tswj cov ntawv luam tawm, cov txheej txheem hais txog kev siv yuav tsum tau txo qis {{}} ob qho kev ua phem rau cov qauv siv thiab ua tau zoo.
Rau cov ntawv xov xwm luam ntawv, tus ciav dej daws tsis zoo yuav tsum tau tswj nyob rau hauv cov li no: kub 13-17 degree, PH 5.400 μs / cm. Cov tais dej yuav tsum ntxuav kom huv tsis tu ncua; Txwv tsis pub microbes thiab paug tuaj yeem nkag mus rau hauv kev daws teeb meem thiab degrade nws, ua rau ntau yam kev luam ntawv.
Duab Cov Khaub Ncaws: CTP Phaj
Ua CTP phaj tus nqi tau poob, CTP thev naus laus zis yog tam sim no tau txais kev sau ntawv hauv ntawv xov xwm luam ntawv. Siab -} Ua kom zoo CTP cov phiaj yog qhov ua ntej rau cov ntawv xov xwm zoo luam tawm cov ntawv xov zoo. Ntau yam cuam tshuam rau CTP Platemaking Zoo; Saib xyuas tshwj xeeb yuav tsum tau them rau peb lub ntsiab lus hauv qab no.
1. Kev tu ib txwm ntawm CTP chav tsevCov txij nkawm ib txwm yog qhov tseem ceeb rau qhov ruaj khov CTP platemaking. Ntxuav tus tsim tawm tank thiab cov menyuam nqa khoom tsis tu ncua -} {-}}}}}-}}}} Kev ua kom muaj zog " Ntxuav thiab tswj cov kab laser txheej las thiab rov ua dua lub laser WaveForm tsis tseg; Kev tsis huv ntawm lub laser aits yuav txo lub zog rau lub zog thiab ua rau muaj cov phaj ntawm lub neej thiab ib nrab ntawm lub neej thiab ib nrab. Tom qab kev saib xyuas, kho lub ctp rau cov lim lim rau cov kev lim thiab raug hluav taws xob.
2. Tus account rau linearization curves thiab nias nyiaj them rau txawv CTP phaj hom / qauvTxhawm rau tswj tus nqi thiab haum rau luv thiab ntev luam tawm sau, luam tawm feem ntau Tshuag cov phaj los ntawm ntau hom thiab hom. Qhov sib txawv hauv lub hauv paus txhuas, thaij duab txheej, thiab kev tsim ua hmoov txhuas los sib txawv xovxwm lub neej thiab tonal reproup. Cov neeg ua haujlwm phaj thiab cov neeg ua haujlwm prepress yuav tsum ua cov kab sib txawv thiab nias {{{2} Kev them nyiaj rau txhua phaj thiab nias. Backup Cov kev sib khi no hloov kho thiab tsim cov nyiaj them rau kev cai nkhaus rau cov duab keeb kwm ntawm txhua cov ntawv xov xwm. Hwm semi- Cov npe Web uas nqa siab- Cov xim zoo tau thov kom nruj thiab taus tswj; Cov kws paub zoo yog qhov yuav tsum tau sib npaug dot kev luam menyuam hauv thoob plaws cov khoom siv thiab hloov kho cov kab ke ib qho nias.
3. Qhia txog Phaj Kev Tshuaj Xyuas ZooThaum xa tau, Qauv CTP phaj thiab tam sim ntawd tshem tawm cov kev poob qis ntawm kev siv. Khaws daim hlau kom deb ntawm lub teeb kom deb ntawm lub teeb kom deb ntawm lub teeb tawm ntawm lub teeb thiab ua kom zoo kom tsis txhob muaj horseshoe cim, khawb, lossis paug. Thaum anomalies tshwm sim, tshawb xyuas kom sai thiab tshawb nrhiav cov hauv paus ua rau.
Duab Hloov Hloov Nruab Nrab: Luam Daim pam
Daim pam yog lub luag haujlwm rau kev xa mus rau hauv lub phaj los ntawm daim ntawv thiab ua lub luag haujlwm tseem ceeb hauv kev luam ntawv. Nws cov cawv ntawm cov ntawv xov xwm zoo yog ncaj qha, yog daim pam xaiv thiab kev tswj hwm yog qhov tseem ceeb.
1. Xaiv cov pam uas tsim nyog rau tus qauv xovxwmXaiv cov siab -} Cov ntaub qhwv zoo nrog lub hardness thiab elasticity, thiab tso tawm lub neej ruaj khov, thiab cov yeeb yaj kiab ntev thiab tshem tawm dot deproup. Cov ntawv xov xwm cov ntawv xov xwm feem ntau muaj yog y - hom lossis b {{- rov qab) cov kev teeb tsa. Lub y {- Hom Dab Neeg (Ob Qho Hlav Diam Phooj Kiag rau ib daim pam lub tog raj kheej (ob daim pam vov) los txo cov mottling ntawm lub phaj. Yog tias nias cov yeeb yam tseem ceeb lub tog raj kheej khiav dhau kev pabcuam ntev ntev, ib daim pam nyuaj yuav tsum tau txiav txim siab los tso mottling.
2. Lwm daim pam nyob hauv kev sivCov pam vov uas poob qis ua haujlwm dhau sijhawm thiab nws thiaj li yuav so haujlwm. Npaj ob teev rau ib nias thiab tig lawv hauv kev pabcuam txuas ntxiv cov pam vov lub neej thiab txhim kho cov ntawv xov xwm xim luam tawm zoo.
Kev tswj cov ntawv xov xwm luam tawm zoo yog lub cev ua haujlwm tshuab. Cov tuam txhab luam ntawv yuav tsum tsim cov txheej txheem tswj hwm zoo. When print defects occur in production, combine observations of the defect with multi-angle analysis: monitor, test stepwise, compare, and eliminate causes. Qhov no yuav tsum muaj cov kws tshaj lij engineers kom txhij txhua, txuas ntxiv nthuav lawv cov kev paub, thiab tswj cov ntsuas kom ntxaws thiab tswj cov kev ntsuas siv hauv kev tsim khoom.
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