Printing Machine Screens: Daim Ntawv Qhia Kom Paub Txog Qhov Tseem Ceeb Luam Ntawv

Taw qhia:

Cov tshuab luam ntawv yog ib feem tseem ceeb ntawm ntau qhov kev lag luam, ua rau kev tsim khoom loj ntawm ntau yam ntaub ntawv ntawm kev nrawm nrawm. Ib qho tseem ceeb ntawm cov tshuab no yog lub tshuab luam ntawv tshuaj ntsuam. Cov ntxaij vab tshaus no ua lub luag haujlwm tseem ceeb hauv kev ua kom cov ntawv luam tawm raug thiab zoo. Nyob rau hauv phau ntawv qhia no, peb yuav delve rau hauv qhov tseem ceeb ntawm cov tshuab luam ntawv cov ntxaij vab tshaus, tshawb txog lawv cov haujlwm, hom, tu, thiab kev daws teeb meem. Txawm hais tias koj yog tus kws tshaj lij luam ntawv lossis tsuas yog xav paub txog thev naus laus zis tom qab tshuab luam ntawv, phau ntawv qhia no yuav muab kev nkag siab zoo rau koj.

Qhov tseem ceeb ntawm cov tshuab luam ntawv cov ntxaij vab tshaus

Cov tshuab luam ntawv tshuab luam ntawv yog cov khoom tseem ceeb uas txiav txim siab tag nrho cov khoom luam tawm zoo. Lawv ua raws li tus choj ntawm tus cwj mem thiab lub substrate, uas tso cai rau kev tswj xyuas meej ntawm qhov chaw thiab kev faib ntawm tus number case. Qhov zoo ntawm lub vijtsam cuam tshuam rau qhov ntse, kev daws teeb meem, thiab xim raug ntawm qhov kawg luam tawm. Yog li ntawd, nws yog ib qho tseem ceeb kom nkag siab txog cov khoom uas tsim cov tshuab luam ntawv cov ntxaij vab tshaus thiab lawv cuam tshuam rau txheej txheem luam ntawv li cas.

Hom Lub Tshuab Luam Ntawv Cov Ntsiab Lus

Muaj ntau hom tshuab luam ntawv cov ntxaij vab tshaus muaj nyob rau hauv kev ua lag luam niaj hnub no. Txhua hom muaj cov yam ntxwv tshwj xeeb thiab cov khoom siv uas ua rau nws tsim nyog rau kev luam ntawv tshwj xeeb. Kev nkag siab txog ntau yam ntawm cov ntxaij vab tshaus yuav pab koj txiav txim siab paub thaum xaiv cov kev xaiv tsim nyog tshaj plaws rau koj cov kev xav tau luam ntawv.

Mesh Screens

Mesh cov ntxaij vab tshaus yog hom tshuab luam ntawv ntau tshaj plaws. Lawv muaj xws li ib tug woven mesh stretched tightly mus rau ib tug ncej, tsim ib tug tiaj tus thiab txawm nto. Lub mesh lub luag haujlwm tseem ceeb yog tuav tus cwj mem thiab tso cai rau nws hla thaum tiv thaiv cov khoom tsis xav tau lossis cov khib nyiab los ntawm kev sib kis ntawm cov ntawv luam tawm. Mesh cov ntxaij vab tshaus muaj nyob rau hauv cov ntaub ntawv sib txawv, xws li nylon, polyester, thiab stainless hlau, nrog sib txawv mesh suav uas txiav txim siab theem ntawm kev nthuav dav ua tiav hauv kev luam ntawv.

Mesh cov ntxaij vab tshaus yog dav siv nyob rau hauv ntau yam kev luam ntawv, nrog rau kev tshuaj ntsuam luam ntawv, pad printing, thiab textile printing. Kev ua tau zoo thiab kev ua tau zoo ntawm cov ntxaij vab tshaus mesh ua rau lawv muaj kev xaiv nrov rau kev lag luam me me thiab loj-loj luam ntawv. Txawm li cas los xij, nws yog ib qho tseem ceeb los xaiv qhov tsim nyog mesh suav thiab cov khoom siv raws li qhov xav tau kev daws teeb meem thiab tus cwj mem.

Rotary Screens

Rotary cov ntxaij vab tshaus, tseem hu ua cylindrical cov ntxaij vab tshaus, feem ntau yog siv nyob rau hauv rotary screen printing. Tsis zoo li cov ntxaij vab tshaus mesh, cov ntxaij vab tshaus teb yog seamless cylinders ua los ntawm cov hlau lossis cov khoom siv hluavtaws. Cov duab cylindrical tso cai rau kev nruam thiab kev kub ceev luam ntawv, ua rau lawv zoo tagnrho rau kev ua haujlwm loj.

Cov ntxaij vab tshaus teb muaj ob peb txheej, suav nrog txheej txheej mesh thiab txheej txheej photosensitive emulsion. Cov txheej emulsion ua haujlwm raws li stencil, thaiv lossis cia tus number case hla raws li tus qauv tsim. Tus number case yog nchuav mus rau sab hauv ntawm qhov screen thiab thawb los ntawm lub mesh siv lub squeegee. Kev sib hloov ntawm lub vijtsam ua kom cov ntawv luam tawm meej meej thaum ua raws li kev luam ntawv siab.

Flatbed Screens

Flatbed cov ntxaij vab tshaus yog nrov nyob rau hauv textile thiab nraaj luam ntawv industries. Raws li lub npe qhia, cov ntxaij vab tshaus no muaj lub tiaj tiaj, ua rau lawv tsim nyog rau kev luam ntawv ntawm cov ntaub ntawv tiaj tus xws li ntawv, duab los qhia, thiab textiles. Flatbed cov ntxaij vab tshaus muaj ib lub mesh stretched mus rau ib tug nruj thav duab, zoo ib yam li cov ntxaij vab tshaus mesh. Txawm li cas los xij, lawv feem ntau muaj tus ncej loj dua kom haum rau cov ntawv luam loj dua.

Ib qho zoo ntawm cov ntxaij vab tshaus flatbed yog lawv lub peev xwm luam tawm ntawm ntau yam ntaub ntawv nrog cov thicknesses sib txawv. Los ntawm kev kho qhov kev ncua deb ntawm lub vijtsam thiab lub substrate, nws muaj peev xwm ua tiav cov ntawv luam tawm nrog cov lej sib txawv. Qhov kev hloov pauv no tso cai rau ntau yam kev siv luam ntawv, suav nrog embossing, varnishing, thiab txheej txheej.

Kov Screen Zaub

Nyob rau hauv xyoo tas los no, nrog kev nce qib hauv kev siv thev naus laus zis, qhov screen kov tau dhau los ua qhov nthuav dav hauv kev lag luam luam ntawv. Cov ntxaij vab tshaus digital no tau muab tso rau hauv cov tshuab luam ntawv niaj hnub los muab cov neeg siv khoom siv yooj yim rau kev tswj thiab saib xyuas cov txheej txheem luam ntawv. Kov npo cov lus qhia muaj kev nkag siab yooj yim thiab tuaj yeem tso cov ntaub ntawv hauv lub sijhawm, ua rau lawv yog ib qho tseem ceeb hauv kev ua kom muaj txiaj ntsig zoo thiab raug luam ntawv.

Kov npo tso cai rau cov tswv lag luam los kho cov chaw luam ntawv, saib xyuas cov qib number case, thiab daws teeb meem ncaj qha ntawm lub vijtsam. Lawv txhim kho cov khoom tsim tau los ntawm kev txo cov kev xav tau ntawm kev hloov kho phau ntawv thiab txo cov neeg ua yuam kev. Tsis tas li ntawd, lub vijtsam kov feem ntau muab cov kev sib tham sib tham xws li kev saib ua ntej xim, ntsuas duab, thiab luam tawm saib ua ntej, ua rau cov neeg ua haujlwm pom qhov kawg luam tawm ua ntej pib txheej txheem.

Kev tu cov tshuab luam ntawv cov ntxaij vab tshaus

Kev saib xyuas kom zoo ntawm cov tshuab luam ntawv cov ntxaij vab tshaus yog qhov tseem ceeb kom ntseeg tau tias cov ntawv luam tawm zoo ib yam thiab zoo. Kev saib xyuas tsis saib xyuas tuaj yeem ua rau cov ntxaij vab tshaus txhaws, txo cov kev daws teeb meem, thiab nce sijhawm poob. Los ntawm kev ua raws li cov kev saib xyuas no, koj tuaj yeem ua kom lub neej ntev ntawm koj cov ntxaij vab tshaus thiab ua kom lawv cov kev ua tau zoo.

Ntxuav

Kev tu tsis tu ncua yog qhov tseem ceeb kom tshem tawm cov number case qhuav, cov khib nyiab, thiab cov plua plav uas sib sau rau ntawm qhov screen. Kev tu yuav tsum tau ua tom qab txhua txoj haujlwm luam ntawv lossis thaum koj pom tias tsis zoo ntawm cov ntawv luam tawm. Txhawm rau ntxuav cov ntxaij vab tshaus, siv cov tshuaj ntxuav me me sib xyaw nrog dej sov thiab txhuam txhuam txhuam. Maj mam txhuam lub vijtsam hauv ib lub voj voog kom tsis txhob ua rau cov mesh fibers. Yaug kom huv si nrog dej huv thiab cia lub vijtsam kom qhuav ua ntej khaws cia lossis rov siv dua.

Rau cov ntxaij vab tshaus thiab flatbed, txoj kev ntxuav yuav txawv nyob ntawm qhov kev tsim kho thiab hom emulsion. Nrog rau cov chaw tsim khoom cov lus qhia lossis nrhiav cov lus qhia tshaj lij kom paub meej txog kev tu kom zoo rau koj hom tshuaj ntsuam tshwj xeeb. Nws tseem yog ib qho tseem ceeb uas yuav tsum tau siv cov ntaub ntawv uas tsis yog-abrasive kom tsis txhob khawb los yog ua rau lub ntsej muag lub ntsej muag.

Cia

Thaum tsis siv, nws yog ib qho tseem ceeb kom khaws cov tshuab luam ntawv cov ntxaij vab tshaus kom zoo. Kev khaws cia tsis raug tuaj yeem ua rau muaj kev puas tsuaj lossis deformation ntawm lub vijtsam, cuam tshuam rau nws txoj haujlwm thiab kev ua haujlwm ntev. Nov yog qee cov lus qhia rau kev cia tshuaj ntsuam:

- Xyuas kom cov ntxaij vab tshaus qhuav tag ua ntej cia kom tsis txhob muaj pwm los yog mildew loj hlob.

- Khaws cov ntxaij vab tshaus hauv qhov chaw txias, qhuav, thiab tsis muaj plua plav kom tsis txhob muaj kab mob.

- Tsis txhob tso cov ntxaij vab tshaus ncaj qha rau sab saum toj ntawm ib leeg kom tsis txhob muaj kev kub ntxhov lossis kev sib tsoo.

- Yog tias ua tau, khaws cov ntxaij vab tshaus nyob rau hauv txoj hauj lwm ntsug kom tiv thaiv sagging lossis stretching ntawm lub mesh.

Kev tshuaj xyuas thiab hloov cov ntxaij vab tshaus

Kev tshuaj xyuas cov ntxaij vab tshaus tsis tu ncua rau cov cim qhia ntawm hnav thiab tsim kua muag yog qhov tseem ceeb rau kev tswj xyuas cov ntawv luam kom zoo. Nyob rau tib lub sijhawm, cov ntxaij vab tshaus tuaj yeem tsim kev puas tsuaj me me xws li qhov me me, cov xov tawg, lossis cov mesh stretched. Cov teeb meem no tuaj yeem cuam tshuam tsis zoo rau kev daws teeb meem luam ntawv thiab kev siv number case. Nws yog ib qho tseem ceeb los tshuaj xyuas cov ntxaij vab tshaus ua ntej txhua txoj haujlwm luam ntawv thiab hloov cov ntxaij vab tshaus tam sim ntawd.

Txhawm rau tshuaj xyuas cov ntxaij vab tshaus, tuav lawv mus rau qhov chaw teeb pom kev zoo thiab saib xyuas kom pom qhov tsis xws luag. Yog tias koj pom tias muaj kev puas tsuaj, nrog rau cov chaw tsim khoom lossis tus kws tshaj lij luam ntawv los txiav txim seb puas tsim nyog kho lossis hloov kho. Nws raug nquahu kom khaws cov ntxaij vab tshaus ntawm tes kom txo qis qis thiab ua kom tsis muaj kev cuam tshuam ntau lawm.

Tiv thaiv Ink Build-Up

Ink build-up ntawm lub tshuab luam ntawv cov ntxaij vab tshaus tuaj yeem ua rau clogging thiab tsis zoo luam tawm. Kev tiv thaiv tus cwj mem tsim yuav tsum muaj kev tswj xyuas tus cwj pwm kom raug. Nov yog qee cov lus qhia kom txo tau cov teeb meem ntsig txog number case:

- Siv cov inks sib xws tau pom zoo los ntawm cov chaw tsim tshuaj ntsuam kom ntseeg tau tias kev ua haujlwm zoo.

- Ntxuav tus lej ntau dhau ntawm cov ntxaij vab tshaus tam sim tom qab txhua txoj haujlwm luam ntawv.

- Tsis txhob haus dej ntau dhau los ntawm kev siv tus number case ntim rau qhov xav tau.

- Tsis tu ncua xyuas tus number case viscosity thiab kho raws li qhov xav tau los tswj cov dej ntws zoo ib yam.

- Khaws thiab kaw cov thawv ntim kom zoo kom tsis txhob muaj kab mob thiab evaporation.

Troubleshooting tshuab luam ntawv Screens

Txawm hais tias muaj kev saib xyuas kom zoo, lub tshuab luam ntawv cov ntxaij vab tshaus yuav ntsib teeb meem uas cuam tshuam rau kev luam ntawv zoo. Kev nkag siab txog cov teeb meem tshwm sim thiab lawv cov kev daws teeb meem yuav ua rau koj kho cov teeb meem tam sim ntawd, ua kom cov khoom lag luam du thiab tsis cuam tshuam.

Uneven Ink Distribution

Ib qho ntawm cov teeb meem feem ntau nrog cov tshuab luam ntawv cov ntxaij vab tshaus yog qhov tsis sib xws ntawm tus number case, uas ua rau muaj streaks lossis blotches hauv luam. Kev faib cov cwj mem tsis sib xws tuaj yeem tshwm sim los ntawm ntau yam, suav nrog kev tshuaj ntsuam tsis zoo, lub zog squeegee tsis zoo lossis lub kaum ntse ntse, thiab inconsistent number case viscosity. Txhawm rau daws qhov teeb meem no:

- Xyuas kom lub vijtsam zoo tensioned los ntawm zawm lossis loosening tus ncej kho cov ntsia hlau.

- Tshawb xyuas lub squeegee siab thiab lub kaum sab xis kom ntseeg tau tias txawm tias lub siab faib thoob plaws qhov screen.

- Saib xyuas thiab kho tus cwj mem viscosity kom ua tiav cov dej ntws zoo ib yam.

Screen Blockages

Cov ntxaij vab tshaus tuaj yeem ua rau cov ntawv luam tawm tsis zoo thiab ua rau cov ntawv luam tawm tsis xws li cov kab uas ploj lawm lossis cov kab tawg. Screen blockages tuaj yeem tshwm sim vim yog cov number case qhuav los yog cov khib nyiab hauv cov mesh. Txhawm rau daws qhov screen blockages:

- Ntxuav lub vijtsam kom huv si los ntawm kev siv cov kev tu kom tsim nyog raws li tau tham ua ntej.

- Siv lub tshuab ntxhua khaub ncaws tshwj xeeb los yog tus cwj mem ntxuav kom yaj cov kua nplaum qhuav thiab tshem tawm cov khib nyiab tawv.

- Hauv qhov xwm txheej hnyav, cov stencil tshem tawm lossis emulsion strippers yuav tsum tau tshem tawm cov blockages hnyav.

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