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BuKe factory >> 盲文印刷是怎麽做的

盲文印刷是怎麽做的

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-08-23 | 1437 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
盲文印刷是用特殊印刷手段,使圖文形成隆起圓點和線條符號,組成盲人專用文字的印刷方式。盲人印刷分為空心點字印刷和實心點字印刷兩種方式。

盲文印刷是怎麽做的

盲文印刷是用特殊印刷手段,使圖文形成隆起圓點和線條符號,組成盲人專用文字的印刷方式。盲人印刷分為空心點字印刷和實心點字印刷兩種方式。


(1)空心點字印刷

其印刷材料一般採用紙或塑料薄膜。紙張採用特製的牛皮紙或膠版紙,為便於盲人的摸讀以及增強紙張的防水性,有的紙張還經過上蠟的處理空心點字紙張印刷有兩種方法種是用特硬的鉛字排版,印完一面再套印另一面:為了防止點字重復無法摸讀,在兩面套印另一面的時候,採用隔行印刷。另一種是用特製的點字製版機,在馬口鐵上沖壓成印版,在印刷機上壓印,紙張的錶面就出現了凸起的空心點字。

空心點字塑料薄膜印刷是將紙張或其他材料製成凸起的點字或圖形原版,放在塑料薄膜成型機上,對塑料薄膜加熱使其軟化,再與原版緊密黏合,經過加工處理取下薄膜,冷卻後就形成了凸起的文字

盲文印刷是怎麽做的
盲文印刷是怎麽做的


(2)實心點字印刷

是在鋅片上打出點字的字元空,覆蓋在盲文印刷紙上,將特製的乙烯類油墨通過印刷機滾筒內的噴嘴擠壓到紙張上,經過烘道加熱冷卻後形成凸起的實心點字。目前,可採用微球發泡技術,用計算機控制發泡油墨印刷,經過加熱使點字部分凸起

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