Qhov screen printing yog dab tsi?

Taw qhia rau Screen Printing Technology

• Lub sijhawm tshwm sim ntawm kev tshuaj ntsuam luam ntawv

  Kwv yees li ib txhiab xyoo dhau los, ua ntej muaj hluav taws xob thiab khoos phis tawj, tsis muaj lub tshuab luam ntawv raug cai thiab tib neeg tseem siv cov txheej txheem luam ntawv phau ntawv - npo luam ntawv. Thaum pib ntawm lub xyoo pua 10th, cov neeg Suav yog thawj zaug siv cov txheej txheem no los luam cov qauv ntawm cov ntaub.

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  Kev tshuaj ntsuam luam ntawv yog ib txoj hauv kev hloov cov duab rau saum npoo (feem ntau yog ntaub los yog ntawv).
  Kev ua haujlwm tshwj xeeb yog raws li hauv qab no: nias tus number case los ntawm lub vijtsam mesh, tso lub vijtsam ntawm cov khoom siv, siv tus number case rau nws, thiab tom qab ntawd siv lub cuab yeej hu ua roj hmab scraper thawb tus number case los ntawm lub vijtsam thiab luam tawm ntawm qhov chaw. Qhov chaw thaiv ntawm qhov screen yuav tsis tso cai rau tus number case hla dhau, uas ua rau muaj ntau yam qauv tsim.

• Printing txoj cai

  Qhov tseem ceeb tshaj plaws yog kev tsim cov ntawv luam tawm. Los ntawm kev siv photosensitive nplaum rau cov ntawv luam tawm, ntau yam qauv thiab cov ntawv tuaj yeem tsim. Cov ntawv luam tawm cov ntawv luam tawm yog tsim los ntawm kev thaiv cov woven mesh feem hauv cov yeeb yaj kiab tsis zoo ntawm cov qauv tsim los luam tawm, yog li qhov chaw qhib yog qhov twg tus number case tshwm rau ntawm lub substrate.
  Ua ntej luam ntawv, tus ncej thiab lub vijtsam yuav tsum tau ua ntej nias ua ntej. Txias lub emulsion mus rau lub mesh. Tom qab ziab, xaiv nthuav tawm cov emulsion nyob rau hauv qhov chaw raug rau lub teeb ultraviolet los ntawm ib zaj duab xis luam tawm nrog cov qauv uas xav tau, ua rau thaj chaw raug mob hnyav dua, tab sis qhov tsis pom kev zoo dua. Yaug lawv nrog cov tshuaj tsuag dej, tawm hauv qhov chaw huv si hauv cov mesh uas phim cov duab uas xav tau kom tus number case hla dhau.