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印刷行业辨别版面水分大小的方法

来源:http://www.xinfengyinshua.cn/   发布时间:2022-12-14
目前印刷行业辨别版面水分大小的方法,一般都是采用目测法,通过用肉眼观察印版版面、墨辊表面的光亮度的强弱和印刷品墨色有无淡化情况等,来辨别版面水分是否合适。此外,济南印刷厂提醒您,日常生产中还可以从以下几个方面来辨别版面水分的大小:
At present, in the printing industry, the method to identify the size of the page moisture is generally visual inspection, which is used to determine whether the page moisture is appropriate by visually observing the brightness of the printing plate and the surface of the ink roller and whether the ink color of the printed matter has faded. In addition, Jinan Printing Factory reminds you that the size of page moisture can also be identified from the following aspects in daily production:
1.墨辊表面滞留较多的水量会有光亮的视觉感,且串墨辊与传墨辊之间会有水珠积聚现象;
1. A large amount of water on the surface of the ink roller will have a bright visual sense, and there will be water droplets accumulation between the string ink roller and the ink roller;
2.墨辊上的油墨产生超饱和乳化量时,用墨刀铲墨会有水分渗出。当往墨辊上加墨时,由于墨辊表面有水膜的存在,不易使油墨搅拌均匀,且输墨辊下摆时容易出现打滑现象;
2. When the ink on the ink roller generates supersaturated emulsion, water will seep out when the ink is shoveled with the ink knife. When adding ink to the ink roller, due to the existence of water film on the surface of the ink roller, it is not easy to make the ink stir evenly, and the ink roller is prone to slip when swinging down;
3.墨斗中有细小的水珠渗出,且墨斗中可见到水珠时,说明水分过大;
3. If there are small water droplets seeping from the ink fountain and water droplets can be seen in the ink fountain, it indicates that the water is too large;
4.印刷过程中停车前后,由于墨辊与印版之间暂时处于分离状态,水膜对油墨传递的阻隔作用变化,过多的水分会使印品墨色明显变化;
4. Before and after the printing process stops, due to the temporary separation between the ink roller and the printing plate, the blocking effect of the water film on the ink transmission changes, and too much water will make the ink color of the printed matter change significantly;
5.经过压印后的纸张,若吸收了过多的水量,则显得软绵无力,输送过程中就缺乏清脆的响声;
5. If the embossed paper absorbs too much water, it will appear soft and weak, and there will be no clear sound during the transportation process;

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6.水分过多时会阻碍油墨的正常涂布,使油墨积聚在墨辊上,这样,尽管墨辊上墨层很厚,但印品墨色仍显得发淡;
6. Too much water will hinder the normal coating of the ink and make the ink accumulate on the ink roller. In this way, although the ink layer on the ink roller is very thick, the ink color of the printed matter still appears weak;
7.水分过大时,停机时间较长,版面水分仍不易蒸发散失;
7. If the moisture is too large, the downtime is long, and the moisture in the page is still not easy to evaporate and lose;
8.版面水分过多时,印张咬口部位印迹及空白面积大的边缘印迹,容易呈现波浪型空虚现象;
8. When there is too much moisture in the layout, the impression at the nip of the sheet and the edge impression with large blank area are easy to show wavy emptiness;
9.水分过大时,橡皮布拖捎部位有水分滞留,过量的水分会在该处形成水珠。此外,橡皮滚筒、印版滚筒内的衬垫物也容易被水分沾湿;
9. When the moisture is too large, there is moisture retention at the rubber blanket dragging part, and excessive water will form water drops there. In addition, the padding in the rubber cylinder and the printing plate cylinder is also easy to be wetted by water;
10.印张若吸收过量的水分,水大时剥离后出现变形,引起向下曲卷,造成收纸台收纸紊乱,以及印张四边也容易出现卷曲现象导致收纸不齐;
10. If the printed sheet absorbs excessive water, it will deform after peeling when the water is large, causing downward curling, which will lead to disordered paper receiving at the paper receiving table, and the four sides of the printed sheet are also prone to curling, which will lead to uneven paper receiving;
11.水分过大时,印品网点空虚,叼口部位印迹呈波浪型发淡,墨色暗淡缺乏光泽感。
11. When the moisture is too large, the print dot is empty, the print on the mouth is wavy and light, and the ink color is dim and lacks luster.
印刷行业辨别版面水分大小的方法相关内容便是以上所讲了,希望能够给您帮助,当然有什么疑惑或者需求可以随时来我们网站http://www.xinfengyinshua.cn咨询了解!
This is how to identify the moisture content of the page in the printing industry. I hope I can help you. Of course, if you have any doubts or needs, you can come to our website at any time http://www.xinfengyinshua.cn Ask about it!
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