Txoj ntsiab cai ntawm kev luam ntawv yog dab tsi?

Vijtsam luam tawm muaj tsib yam: screen printing, scraping, number case, luam ntawv thiab luam ntawv. Lub hauv paus ntsiab lus ntawm kev tshuaj luam tawm yog sau cov ntsiab cai ntawm kev luam ntawv luam tawm los ntawm kev siv lub tshuab luam ntawv ntawm lub vijtsam thiab cov ntawv nyeem. Thaum luam ntawv, tus number case yog poured rau ib kawg ntawm lub vijtsam luam tawm phaj, thiab ib lub siab yog siv rau qhov number case ntawm kev luam ntawv phaj los ntawm scraping thiab luam ntawv scraper. Meanwhile, nws tsiv mus rau lwm qhov kawg ntawm kev tshuaj ntsuam luam ntawv phaj. Tus number case yog txav los ntawm khawb ntawm lub qhov chaw ntawm lub qhov nraaj rau lub foob hauv lub zog. Vim yog cov nyhuv khov ntawm cov ink number. Nyob rau hauv ib qho chaw, nco ntsoov nyob rau hauv cov txheej txheem ntawm luam ntawv scraper thiab kev lag luam luam ntawv phaj thiab ib txoj kab sib txuas, kev sib tiv tau kab nrog khawb scraper, vim muaj qhov sib txawv ntawm qhov screen thiab substrate, yog li ntawd cov ntawv luam ntawv phaj los ntawm kev nruj thiab ua rau ntawm cov tshuaj txau, cov tshuaj tiv thaiv no hu ua resilience. Vim cov nyhuv ntawm cov khoom siv txav, cov ntaub ntawv npog tsuas yog kev sib txuas nrog cov kab npoo, thiab lwm qhov ntawm lub phaj nyhuv raug kaw ntawm kabmob. Nws ua rau tus number case thiab kev ntsuas tawg, saib xyuas qhov kev txiav txim ntawm qhov luaj li cas thiab tsis tuaj yeem siv cov khoom coj los ua qias neeg. Thaum khawb nyom tom qab tag nrho qhov teeb meem, thiab lo lo ntxhuav npo kuj tsa, thiab tus number case scraping rov qab mus rau qhov chaw pib. Qhov no yog daim ntawv sau mus los