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BuKePrinting >> Bookprinting >> 印刷前的準備（三）輔助材料的準備

印刷前的準備（三）輔助材料的準備

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-09-30 | 371 Views | Share:
印刷前除了紙張、油墨等主要原材料的準備,輔助材料的準備工作也很重要和繁雜。

印刷前的準備（三）輔助材料的準備

印刷前除了紙張、油墨等主要原材料的準備,輔助材料的準備工作也很重要和繁雜。



①水輥準備。

水輥準備是指在橡膠輥錶面套上一層脫脂雙面絨套。對臟了的水絨套要清洗或更換。



②潤版液的稀釋。

潤版液是以一定比例的水與電解質混合而成的液體。潤版液原液的pH值較低,酸性較強,對印版和油墨有破壞作用,在使用潤版液前,要對原液進行稀釋處理。潤版液的稀釋程度不同,其pH值也會有所不同。由於各種油墨(包括各種色相)的耐酸性不同,所以水鬥中的潤版液的含量也要進行調整。不同色相的油墨,潤版液的稀釋程度應有不同。為了正確地控制潤版液原液的用量及稀釋液的酸性,可用pH試紙進行測定,使各色油墨所用的潤版液保持一定的pH值。



③其他輔助材料的準備。

平版印刷生產中,除紙張、油墨、橡皮布等主要材料之外,印刷所需的輔助材料也必須事先做好領料準備工作。

印刷前的準備（三）輔助材料的準備
印刷前的準備（三）輔助材料的準備

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