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宣传页印刷对颜色融合度的把握技巧
作者:admin 来源:http://www.sdhzyw.com 发布时间:2018-3-19 14:09:46 浏览次数:632
预涂覆膜对纸张有一定要求,由于纸张选择不当,也会造成预涂膜覆膜后印刷品不良。根据经验,短纤维的纸张抗张强度低,在轧线或凹凸处采用预涂覆膜后纸张容易断裂,使纸张上的油墨随之破裂,造成薄膜和印刷物的局部分离,尤其当轧线方向和纸张的纵向相同时更容易出现该问题。
Pre coating film has certain requirements for paper, because the improper selection of paper will also cause bad print after coating film. According to the experience of short fiber tensile strength is low, in the rolling line or convex and concave with pre coated paper is easy to break, so that the paper on ink burst, local film and print caused by the separation, especially when the longitudinal rolling line direction and the paper also more prone to the problem.
另外,涂布铜版纸特别是涂层厚的铜版纸,采用预涂覆膜后并没有什么问题,但如果覆膜后再进行轧线、凹凸等工艺就会在轧线和凹凸处出现起膜现象,这主要是由于铜版纸涂层中添加的高分子聚合物少,无机成分多,遇到外力作用时容易涂层成粉状脱落,因此,覆膜后在轧线或凹凸过程中造成预涂膜的胶层与印刷纸张分开。

In addition, the coating of coated paper is coated with thick coated paper, using pre coated film and not what problem, but if the film after rolling line, the process will be in the rolling line of concave and convex and concave appeared from the film phenomenon, this is mainly because the polymer coated paper coating in less inorganic composition when the external force, easy to fall off into powder coating, therefore, in film rolling line or bump caused in the process of separate layer and pre coating printing paper.

济南宣传页印刷

在印刷品设计之初,就应考虑到覆膜这一环节,也就是说,设计人员在设计印刷品时,应考虑到这一印刷品在后续印刷、印后过程中需要进行哪些工序,采用什么样的工艺,选用什么纸张及油墨。
In print at the beginning of design, we should take into account with this link, that is to say, in the design of printing, this should be considered in the process of printing which subsequent printing, Postpress process, using what kind of craft, choose what paper and ink.
书籍杂志等刊物的封面在使用预涂膜覆膜时,往往因覆膜条件不充分而起膜,导致封面不合格。在封面设计中,如果我们的设计师在轧线处把颜色设计成浅色甚至无色,使得此处的附着力排除油墨的干扰,那么就不存在起膜的问题。
When the cover of a book and magazine is covered with a precoated film, the cover often causes the cover to be unqualified. In the cover design, if our designer is designing a light or even colorless color at the rolling line, making the adhesion of this place eliminate the interference of ink, there will be no problem of film formation.
预涂膜不适合金属油墨,易出现起膜现象。因此,对于覆膜问题,首先印刷品的设计人员应懂得该印刷品需要经历多少道加工工序,每道加工工序对覆膜带来什么样的影响、如何避免这样的影响,从而提高成品率。这需要设计人员在设计时掌握印刷、烫金、局部UV、轧线、凹凸等工艺对覆膜产生的影响。
The pre coating film is not suitable for metal ink, and it is easy to appear film phenomenon. Therefore, for film mulching problem, first, print designers should know how many machining processes they need to experience, what kind of influence each processing step has on film mulching, and how to avoid such an impact, so as to improve the yield. This requires the designers to master the effects of printing, hot stamping, local UV, rolling line, concave and convex technology on the film mulching.
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The above is Ji'nan's propaganda page printing today's sharing. Are you satisfied? Welcome to our website: http://www.sdhzyw.com and pay attention to our products. We will provide you with excellent products and sincerely cooperate with you.