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印刷时出现飞墨现象的原因有哪些?

来源:   日期:2021-01-18

大家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,跟随棋牌游戏平台一起来看一下出现飞墨现象的原因吧!

In the ordinary printing process, we often have the phenomenon of flying ink. What is the reason for this? Now, follow Jinan printing factory to see the reasons for the phenomenon of flying ink!
1、印刷时,空气相对湿度小,促进飞墨产生,湿度加大时,电荷减少,飞墨量变小。
1. When printing, the relative humidity of air is low, which promotes the production of 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 filament will become shorter, which will cause serious ink flying phenomenon. At the same time, the fountain solution immersed in the ink will also corrode the metal ink roller, forming a hydrophilic layer on the surface of the ink roller and repelling the ink, causing the metal ink roller deinking.
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 roller, the larger the flying ink. Encounter paper performance on the ink adhesion is not good, it is easy to cause ink roller pile up, resulting in flying ink phenomenon.
                                棋牌游戏平台
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 be drawn into filament when the ink splits, 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 ink viscosity is too high and the ink is elongated at the outlet of the ink roller, it is easy to produce flying ink. At the same time, it will cause uneven ink transfer, which will make the paper hairy and powdery. It is difficult for the paper to peel off from the blanket, and it is easy to print and drop. If the viscosity is too low and the ink layer is not well split, it 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,还需要大家注意的是,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 roller surface is uneven and the surface is dry and cracked, part of the ink layer is 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.
以上是印刷时出现飞墨现象的原因先容,希翼对大家有所帮助,如想了解更多精彩资讯请点击大家的网站:棋牌游戏平台
The above is the reason for the phenomenon of flying ink in printing. I hope it can help you. For more wonderful information, please click our website: Jinan printing factory   .


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