Yuav ua li cas kom paub meej qhov flatness ntawm lub vijtsam luam ntawv?

Txhawm rau xyuas kom meej qhov flatness ntawm lub vijtsam luam ntawv, koj tuaj yeem pib los ntawm cov hauv qab no:
Screen thav duab xaiv thiab ua
Xaiv ib qho screen thav duab tsim nyog: Lub npov thav duab yuav tsum muaj lub zog txaus thiab rigidity los tiv thaiv qhov nro ntawm lub vijtsam yam tsis muaj deformation. Feem ntau hais lus, hlau tshuaj ntsuam thav ntawv (xws li aluminium alloy screen thav duab) ua tau zoo hauv lub zog thiab ruaj khov, thiab tsim nyog rau kev ua cov ntxaij vab tshaus luam ntawv uas yuav tsum tau ua kom siab. Tsis txhob siv cov khoom siv tshuaj ntsuam uas yog mos dhau los yog yooj yim deformed.
Tshawb xyuas thiab luas lub vijtsam thav duab: Ua ntej siv, ua tib zoo xyuas qhov flatness ntawm lub vijtsam ncej. Yog tias pom me ntsis deformation, nws tuaj yeem kho nrog qee cov cuab yeej yooj yim (xws li woodworking clamps, lub rooj zaum vises, thiab lwm yam). Rau qhov chaw tsis sib xws, cov ntawv xuab zeb tuaj yeem siv los maj mam txhuam lawv kom ua kom lub ntsej muag du thiab tiaj tus, kom nws yooj yim dua rau kev haum rau lub vijtsam tom qab.
Kev xaiv qhov screen thiab qhov screen stretching ua haujlwm
Xaiv lub vijtsam zoo: Qhov zoo ntawm qhov screen muaj kev cuam tshuam zoo rau qhov flatness ntawm lub vijtsam. Ib qho kev tshuaj ntsuam nrog cov kab hlau tsis sib xws, nruj weaving thiab zoo nro sib xws yuav tsum tau xaiv. Piv txwv li, polyester screen (PET npo) muaj kev ruaj ntseg zoo thiab ruaj khov, uas tuaj yeem muab lub hauv paus zoo rau qhov flatness ntawm lub vijtsam.
Standardize qhov screen stretching txheej txheem:
Tswj lub vijtsam nro: Thaum ncab lub vijtsam, siv cov cuab yeej ua haujlwm tshaj lij (xws li phau ntawv tshuaj ntsuam stretching tshuab, pneumatic screen stretching tshuab, thiab lwm yam) kom raug tswj qhov nro ntawm lub vijtsam. Cov ntaub ntawv sib txawv ntawm cov khoom siv tshuaj ntsuam thiab cov kev cai luam ntawv sib txawv raws li qhov sib txawv ntawm qhov nro, thiab feem ntau yuav tsum tau ua nruj me ntsis raws li tus nqi nro pom zoo los ntawm tus muag khoom. Tsim nyog nro tuaj yeem ua rau lub vijtsam stretch tiaj tus thiab txawm nyob rau ntawm lub vijtsam thav duab, tsis txhob xoob lossis hauv cheeb tsam nruj, uas yuav cuam tshuam rau qhov flatness ntawm lub vijtsam.
Thov nro tusyees: Thaum lub sij hawm qhov screen stretching txheej txheem, xyuas kom meej tias qhov nro yog sib npaug zos rau qhov screen. Piv txwv li, los ntawm kev siv ntau lub ntsiab lus screen stretching txoj kev, nro yog siv los ntawm ntau txoj hauj lwm ntawm lub vijtsam thav duab nyob rau tib lub sijhawm, kom lub vijtsam tuaj yeem raug sib npaug ntawm txhua qhov kev taw qhia, thiab tom qab ntawd ncab tiaj. Tsis txhob nruj dhau ntawm ib qho chaw, uas yuav ua rau lub zos deformation ntawm lub vijtsam.
Kev xaiv ntawm lub vijtsam stretching lub kaum sab xis: Tsim nyog xaiv ntawm lub vijtsam stretching lub kaum sab xis kuj tuaj yeem pab txhim kho qhov flatness ntawm lub vijtsam. Feem ntau, rau feem ntau cov xwm txheej luam ntawv, lub kaum sab xis 45 degree stretching tuaj yeem ua rau lub warp thiab weft ntawm lub vijtsam kuj sib npaug thaum lub sijhawm luam ntawv, txo qhov deformation ntawm lub vijtsam los ntawm kev quab yuam tsis sib xws.
Cia lub vijtsam sawv tom qab ncab: Tom qab lub vijtsam stretched, tsis txhob ua cov haujlwm tom ntej tam sim ntawd. Cia lub vijtsam sawv ntsug rau ib lub sijhawm (feem ntau pom zoo kom sawv ntsug li 24 teev) kom tso cai rau lub vijtsam kom ruaj khov nyob rau hauv lub xeev nro tshiab thiab xyuas kom meej qhov flatness ntawm lub vijtsam.
Platemaking txheej txheem optimization
Glue txheej uniformity: Thaum siv cov kua nplaum photosensitive lossis lwm cov kua nplaum nplaum ntawm lub vijtsam, xyuas kom meej tias cov kua nplaum sib npaug. Koj tuaj yeem siv cov cuab yeej ua kua nplaum tshwj xeeb (xws li scrapers, kua nplaum, thiab lwm yam) los siv cov kua nplaum rau hauv ib qho kev taw qhia thiab ib ntus. Piv txwv li, pib los ntawm ib qho kawg ntawm lub vijtsam, txhuam cov kua nplaum mus rau lwm qhov kawg ntawm qhov sib txawv ceev kom ntseeg tau tias cov kua nplaum txheej tuab zoo ib yam thiab sib npaug sib npaug, thiab zam qhov tsis sib xws ntawm qhov screen vim tsis sib xws cov kua nplaum txheej tuab.
Kev Tiv Thaiv Kev Tiv Thaiv thiab Kev Txhim Kho:
Kev sib raug zoo sib xws: Thaum ua haujlwm raug, xyuas kom meej tias lub teeb pom kev ntawm cov khoom raug faib tawm kom sib npaug kom cov kua nplaum uas muaj duab sib npaug sib npaug ntawm tag nrho lub vijtsam. Kev sib raug zoo sib xws tuaj yeem ua tiav los ntawm kev kho qhov chaw thiab lub kaum sab xis ntawm cov khoom raug thiab siv cov diffusers. Uniform exposure tuaj yeem ua kom ntseeg tau tias qhov kev kho kom zoo ntawm cov nplaum photosensitive zoo ib yam, yog li tswj xyuas qhov flatness ntawm lub vijtsam.
Kev txhim kho kev ua haujlwm tshwj xeeb: Cov txheej txheem kev txhim kho yuav tsum tau ua nruj me ntsis raws li cov txheej txheem ua haujlwm. Siv cov tsim tsim tsim nyog thiab tsim nyog lub sijhawm, qhov kub thiab txias thiab lwm yam kev mob los xyuas kom meej tias cov photosensitive nplaum yog raug tshem tawm los yog khaws cia kom tsis txhob muaj qhov sib xws ntawm qhov chaw lossis qhov chaw tsis zoo ntawm lub vijtsam vim yog kev txhim kho tsis raug.
Screen siv thiab kho
Kev txhim kho thiab siv kom raug: Thaum txhim kho lub vijtsam ntawm lub tshuab luam ntawv tshuaj ntsuam, xyuas kom meej tias txoj haujlwm teeb tsa yog qhov tseeb thiab ruaj khov kom tsis txhob muaj kev hloov pauv lossis deformation ntawm lub vijtsam vim yog kev teeb tsa tsis raug thaum lub sijhawm luam ntawv. Thaum lub sij hawm luam ntawv, cov txheej txheem luam ntawv uas tau teev tseg (xws li luam ntawv siab, ceev, thiab lwm yam) yuav tsum tau ua raws li kev tiv thaiv kev luam ntawv ntau dhau los yog kev luam ntawv ceev dhau los ntawm kev cuam tshuam rau qhov flatness ntawm lub vijtsam.
Kev saib xyuas tsis tu ncua: Tom qab luam ntawv, lub vijtsam yuav tsum tau ntxuav thiab khaws cia hauv lub sijhawm. Tshem tawm cov kua nplaum uas seem, kua nplaum thiab lwm yam khib nyiab ntawm qhov screen, thiab tom qab ntawd khaws cia kom zoo. Txheeb xyuas qhov flatness ntawm lub vijtsam tsis tu ncua. Yog tias pom muaj cov tsos mob ntawm deformation, siv cov kev kho kom tsim nyog (xws li rov ncab lub vijtsam, kho qhov raug, thiab lwm yam) kom tswj tau qhov flatness ntawm lub vijtsam.