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BuKe factory >> Design >> 深圳信封印刷公司凹版的製作

深圳信封印刷公司凹版的製作

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-10-17 | 432 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
凹版的圖文部分低於空白部網穴轉移部分，以大小和形狀表現層次。常用的印版有照相凹版和雕刻凹版兩大類。

     深圳信封印刷公司凹版的製作

  凹版的圖文部分低於空白部網穴轉移部分，以大小和形狀表現層次。常用的印版有照相凹版和雕刻凹版兩大類。

照相版製版的方法有三種：都是用照相底片來獲得印版，深圳信封印刷公司但由於製版工藝方法不同所得到的印版表現圖像層次的形式也不同。

照相凹版的網穴大小一致，四陷深度不同，利用轉移墨層的厚薄來表現原稿的明暗層次。另外版網六還有大小不同，深度不同及大小深度都不相同的情況，

用網點大小或墨層厚薄表現層次。電子雕刻凹版其網穴的面積和深度都有變化，網穴為倒錐形，它綜合了照相凹版和照相加網凹版的特點，

圖像的層次比較好照相因版又稱影寫版；它是用照相所得的陽圖底片而完成製版的。深圳信封印刷公司首先是在經敏化處理的碳素紙上，用網屏曝光以曬制網線，然後再曬制連續調的陽圖。曬網線的目的是在印版表

面形成支撐刮墨刀的“網牆”，防止印刷過程中網穴中的油墨被颳走而影響圖像層次。曝光後將碳素紙上的膠膜轉移到鍍銅的滾簡錶面，通過腐蝕，就制得了凹版印版。



深圳信封印刷公司凹版的製作

深圳信封印刷公司凹版的製作



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