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BuKe factory >> 孔版製版在印刷廠中的應用

孔版製版在印刷廠中的應用

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-08-23 | 431 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
孔版印刷的印刷部分由孔洞組成,油墨通過孔洞漏印到承印物上,非印刷部分不能通過油墨,所以在承印物上形成空白部分。孔版包括空版、謄寫版,絲網版

孔版製版在印刷廠中的應用

孔版印刷的印刷部分由孔洞組成,油墨通過孔洞漏印到承印物上,非印刷部分不能通過油墨,所以在承印物上形成空白部分。孔版包括空版、謄寫版,絲網版


絲網製版方法大體分為三種:直接法、間接法,混合法。製版方法不同所得到的印版質量也不同


(1)直接法

直接法是在綳好的絲網網眼上直接塗布感光液,經曬版、顯影製成絲網版。其工藝流程為:在框架上綳絲網→絲網前處理→塗布感光液→曬版→影


(2)間接法

間接法是在塗有感光層的膠片上進行製版,然後把它轉拓到絲網上,其工藝流程為:在感光膠片上曝光一活化處理一顯影→沖洗一往絲網上轉拓一四周塗膠一揭去膠片片基一修整


(3)混合法

混合法是上述兩種方法的結合。操作比較簡單,耐印力和清晰度也介於二者之間,其工藝流程為:黏貼感光膠片→乾燥→剝離感光膠片的片基→曬版一顯影→修整

孔版製版在印刷廠中的應用
孔版製版在印刷廠中的應用

 

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