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BuKePrinting >> Bookprinting >> 特種印刷原理與工藝印畫冊

特種印刷原理與工藝印畫冊

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2021-03-17 | 669 Views | Share:
覆蓋在盲文用紙上，用特製的乙烯類印墨噴註後，加熱成點子，這種點子很牢固、多次用手觸摸也不會磨損。

            特種印刷原理與工藝印畫冊

用較大的壓力直接壓印。壓軋較厚的硬紙板時，可利用電熱器對銅或鋼凹版加熱，以保證壓量。

在壓凸紋過程中，容易有雜質軋入而損壞印版，需經常用鋼絲板刷擦刷印版盲文印刷實際上就是採用凹凸壓印的方法。

製成有觸摸感的印刷品個。1820年，法國人布萊爾發明瞭盲文印刷。每個字用6個點組成，用特殊打字機在雙層上壓出凸起的點子，製成凹凸盲文版。

校對時發現錯誤，可用小錘把印成的點子敲平正後重新打出點子。將特製的厚紙插入兩層鐵皮中，加壓後，在紙上壓印出不帶色的隆起，經過改進，

在鋅皮上打出字元孔，覆蓋在盲文用紙上，用特製的乙烯類印墨噴註後，加熱成點子，這種點子很牢固、多次用手觸摸也不會磨損。

最近，通過絲印使用發泡油墨來印製盲文讀物，已取得較為顯著的效果！

特種印刷原理與工藝印畫冊
特種印刷原理與工藝印畫冊

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