印刷色墨套印故障分析

范文编号:YS027  范文字数:16499.页数:32

摘要：套印准确其含意是指在印刷彩色印刷产品时将印版上各种不同颜色的图文准确地重叠在同一张印品的上面，使各种颜色的网线产品网点不变形，图文不走样，并且色泽绚丽，富有立体感。如果套印不准，则各色网点无法准确套合,文字图像就不能准确呈现出来，色彩还原失真。不同印刷方式下，影响套准精度的原因有些许不同，但总的来说可以分为三个方面，即印刷材料方面的因素、印刷工艺方面的因素以及印刷设备方面的因素。印刷方式很多,常见的有胶印、柔印等，不同的印刷方式对套准的控制不一样，套印不准的原因有所不同，解决方法也不一样。

关键词：套印;胶印;印刷精度;

Abstract:  Overlay accuracy of its meaning is defined as when printing color printing plates for the graphic on the different colors overlap precisely with a printed product at the top, so that products of various colors cable network is not deformed, fax no deviation and brilliant color, rich three-dimensional. If the overlay are not allowed, then the network can not accurately fit all colors, text, images can not be accurately shown by the distortion of color reproduction. Different printing methods, the impact of register accuracy slightly different reasons, but in general can be divided into three areas, namely, printed material aspects, the printing process aspects as well as printing equipment factors. Printing a lot of common with offset, flexo, etc., different printing methods on the control of different sets of criteria, the reasons are not allowed to overlay different solutions are not the same.
Key word: misregister ; offset printing ; printing accuracy

目  录
摘要： III
Abstract:  IV
目  录 V
1  绪论 1
2  材料方面的原因引起的套印不准 2
2.1  纸张对套印精度的影响 2
2.2  马口铁对套印精度的影响 2
2.3  橡皮布形变对套印精度的影响 5
2.4  油墨对套印精度的影响 6
3  工艺方面的原因引起的套印不准 10
3.1  制版对套印精度的影响 10
3.2  机械调节环节 10
3. 3  温湿度变化引起印刷套印不准故障 11
4  印刷设备精度方面引起的套印不准 13
4.1 输纸不当导致套印不准 13
4.2 定位部件产生故障导致套印不准 14
4.3 纸张传递不当导致套印不准 15
4.4 咬纸牙的咬纸力不均匀而造成套印不准 16
5  不同印刷方式下的套印故障分析 17
5.1  影响胶印套印准确的因素 17
5.2  柔印套印不准问题分析与解决方法 19
5.3  凸印套印不准分析与解决方法 22
6 解决印刷套印故障的建议 25
6.1  改善印刷工艺 25
6.2  利用专色墨调墨和配墨 25
6.3  提高印刷人员的专业素质 25
6.4  合理安排印刷套印色序 26
致谢 27
参考文献： 28

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