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印刷时出现飞墨现象的原因

文章作者:华政印务 发布时间:2022-03-05 299
我们在平常印刷的过程中,经常会出现飞墨现象,这是因为什么原因导致的呢?下面,我们就一起来看一下出现飞墨现象的原因吧!
We often have the phenomenon of flying ink in the process of ordinary printing. What is the reason for this? Next, let's take a look at the reasons for the phenomenon of flying ink!
1、印刷时,空气相对湿度小,就有了飞墨产生,湿度加大时,电荷减少,飞墨量变小。
1. When printing, when the relative humidity of the air is small, there is flying ink. When the humidity increases, the charge decreases and the amount of flying ink decreases.
2、如果油墨中润版液太多,黏度急剧下降,墨丝变短,会产生严重的飞墨现象,同时,浸入油墨的润版液还会腐蚀金属墨辊,在墨辊表面形成亲水层而排斥油墨,造成金属墨辊脱墨。
2. If there is too much fountain solution in the ink, the viscosity will drop sharply and the ink wire will become shorter, which will produce serious ink flying phenomenon. At the same time, the fountain solution immersed in the ink will also corrode the metal ink roller, form a hydrophilic layer on the surface of the ink roller and repel the ink, resulting in Deinking of the metal ink roller.
3、墨辊上墨层越厚,飞墨越大。遇到纸张性能对油墨黏附力不好的情况,就容易造成墨辊堆墨,从而产生飞墨现象。
3. The thicker the ink layer on the ink roller, the larger the flying ink. In case of poor adhesion of paper performance to ink, it is easy to cause ink accumulation on the ink roller, resulting in ink flying phenomenon.
4、高分子量油墨的连结料,在油墨分裂时容易拉成长丝,产生飞墨。
4. The binder of high molecular weight ink is easy to pull into filaments when the ink is split, resulting in flying ink.
5、油墨黏度过大,油墨在墨辊出口处被拉长,易产生飞墨,同时还会造成传墨不匀,使纸张拔毛脱粉,纸张从橡皮布上剥离困难、易花版、掉版等,黏度过小,墨层分裂不佳,也容易产生飞墨,同时容易使油墨乳化、糊版、网点扩大,影响印刷产品质量。
5. If the viscosity of the ink is too high, the ink will be stretched at the outlet of the ink roller, which is easy to produce flying ink. At the same time, it will also cause uneven ink transmission, which will make the paper pluck and powder, make it difficult to peel the paper from the blanket, and it is easy to flower and drop the plate. If the viscosity is too small, the ink layer will not split well, which is also easy to produce flying ink. At the same time, it is easy to emulsify the ink, paste the plate and expand the dot, which will affect the quality of printing products.
另外,墨辊表面凹凸不平及表面干结龟裂时,部分油墨层加厚,墨雾量加大,也是产生飞墨现象的因素之一,还需要我们注意的是,在印刷时,要控制印刷的速度,如果速度过快,造成飞墨现象的几率就会更高。
In addition, when the surface of the ink roller is uneven and the surface is dry and cracked, some ink layers are thickened and the amount of ink mist is increased, which is also one of the factors causing the phenomenon of flying ink. We also need to pay attention to that when printing, we should control the printing speed. If the speed is too fast, the probability of causing the phenomenon of flying ink will be higher.
以上就是为大家介绍的有关济南精装书制作的详细的介绍,希望对您有所帮助.如果您有什么疑问的话,欢迎联系我们.我们将以的态度,为您提供服务https://www.sdhzyw.com/
The above is a detailed introduction to the production of hardcover books in Jinan. I hope it will be helpful to you If you have any questions, please contact us We will provide you with professional service https://www.sdhzyw.com/

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