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如何选用测量仪器来确保印刷质量

时间:2018-01-20 作者:admin

  我们可以通过使用密度计控制墨层密度来达到指导提高印刷质量的目的。色彩再现是指印刷品能对原稿颜色进行忠实还原和确保同一批产品的颜色一致性。颜色再现在印刷复制过程中划分为两个步骤:颜色分解和颜色合成。颜色分解就是将原稿颜色分解为色料三原色,制成各个分色版。颜色合成就是用印版将三原色油墨压印在纸张或其它承印材料上,再现原稿的颜色。为了提高颜色还原程度,人们通常用色度计来判断、评价印刷品的颜色再现状况。本文廊坊印刷厂小编针对不同的使用目的如何正确地选用测量仪器作一简单介绍:

  1、YINSHUAMOCENGMIDUHEWANGDIANKUODA

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  2、SEDUCELIANG

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  当然也存在这样的场合:只有同时使用密度计和色度计,才能客观地反映出印刷复制质量。譬如:灰平衡的再现。目前市场也存在将色度计和密度计合为一体仪器,廊坊印刷厂小编把它称为设有偏振镜装置的彩色密度计,这种设备具有其独有的灵活性。它在测量密度时会使用到偏振镜装置,目的是消除墨层表面反光的部分(包括光的镜面反射和漫反射),确保所测量的湿密度就是以后的干退密度,所以我们使用这种彩色密度计测量出的湿密度值要比用其它密度计测出的值小。




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