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印刷機潤濕液用量過大的不良後果

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-09-27 | 618 Views | Share:
當潤濕液的用量過大時,受影響最大的是油墨和紙張,其次是印版。主要表現有以下三方面。

印刷機潤濕液用量過大的不良後果

當潤濕液的用量過大時,受影響最大的是油墨和紙張,其次是印版。主要表現有以下三方面。


①水墨平衡被破壞,油墨加速乳化,不能正常進行圖文傳遞
發生“脫墨”、“花版”等故障。


②印版版面水量過多,圖文部分著墨不正常,圖像印跡失去
光澤,印品顏色差,階調層次差,出現“平”、“淡”現象。


③影響紙張的印刷性能,一方面改變了紙張錶面的吸墨性
,使紙張錶面的塗料和黏合劑受到影響,發生掉毛、掉粉現;另一方面紙張含水量過多會造成紙張膨脹,影響套印質量。

印刷機潤濕液用量過大的不良後果
印刷機潤濕液用量過大的不良後果

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