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深圳印刷廠-畫冊印刷-包裝盒定做-包裝廠家-深圳步殼印刷廠

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Learning printing not only needs to learn professional knowledge in the industry, including the knowledge points of pre-press, printing and post-process of printing.

Learn printing industry knowledge, printing process knowledge, printing color knowledge And more knowledge of customer needs. Learn common problems encountered in printing and solve them.

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深圳步殼印刷照相凸版

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-10-12 | 474 Views | 🔊 Click to read aloud ❚❚ | Share:

   深圳步殼印刷照相凸版

主要有線條凸版、網線凸版和彩色凸版三種形式,深圳印刷信封分述如下:

線條凸版。是使用各種粗細形狀不同的線條和一定面積的實地表現圖文的凸印銅鋅版。

網線凸版。也稱網目調凸版。一般採用銅板或鋅板版材,深圳印刷信封曬版時使用加網陰圖片。通過網點的大小變化再現原稿的濃淡層次。

一般銅板用來製作對印品質量要求較高的精細網目凸版。在製版過程中,為了提高印版質量,提高印刷時對原稿層次的表現,須經二次腐蝕從而得到所要求的腐蝕深度。

彩色凸版。也稱為四色凸版。通過分色工藝把彩色原稿分解成青、品紅,黃、黑四張分色加網膠片,深圳印刷信封再通過曬版工藝製成四塊印版,印刷時四色套印還原原稿色彩。

為了防止龜紋的產生,深圳印刷信封各色版加網時應採用不同的網線角度
感光樹脂版。

版材由液狀或片狀的感光性樹脂層、黏著劑(兼有防止光暈作用)及版基(支撐體)深圳印刷信封眼製版時,使用陰圖片曝光,見光部分硬化,未見光部分在顯影時可溶於顯影液。

形成凸起的圖文部分和凹下的空白部分,經熱風乾燥後即製成感光性樹脂版,用感光性樹脂版進行的網線版印刷,其網線數可達60/釐米左右。

經過版材的不斷改良以及製版技術的不斷進步,其分解力也不斷提高。

深圳步殼印刷照相凸版
深圳步殼印刷照相凸版

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