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彩色印刷露白如何辨別跟解決?

文章作者:華政印務 發布時間:2021-08-10 109
彩色設計印刷是一個很籠統的概念,包括畫冊印刷,樣本印刷,商務印刷,包裝印刷,只要是在印刷當中都會出現一些質量的問題,油墨,紙張,壓力,在印刷當中露白也是經常出現的一個質量問題,我們要怎么避免在印刷當中出現露白的情況,該如何對癥下藥解決這個影響因素的質量問題。
Color design printing is a very general concept, including album printing, sample printing, business printing, packaging printing, as long as there are some quality problems in printing, ink, paper, pressure, white in printing is also a common quality problem, how can we avoid white in printing, how can we find the right solution Solve the quality problem of this influencing factor.
在彩色設計印刷當中印刷露白是瓦楞紙箱生產中常見也是難以杜絕的質量問題。印刷露白嚴重影響印刷效果,不僅會造成紙箱表面印刷不美觀,而且如果大面積出現露白,還會被視為不合格品,造成生產上的浪費。
In the process of color design printing, white printing is a common and difficult quality problem in the production of corrugated boxes. The printing white seriously affects the printing effect, not only will cause the carton surface printing is not beautiful, but also if a large area of white, it will be regarded as unqualified products, resulting in waste in production.
紙張吸水性、油墨粘度、印刷壓力等都會造成印刷露白
Paper water absorption, ink viscosity, printing pressure, etc. will cause printing white
引發印刷露白現象發生的原因多種多樣,如紙張吸水性,油墨粘度,印刷壓力、紙板上有紙屑、灰塵等等。當然,引發印刷露白的原因不同,那么解決問題的方式自然也不盡相同!
There are many reasons for the phenomenon of printing whiteness, such as paper water absorption, ink viscosity, printing pressure, paper scraps and dust on the paperboard, etc. Of course, different reasons lead to printing exposure, so the way to solve the problem is not the same!
不同印刷露白的表現不同,應對癥下藥!
濟南彩色設計印刷
The performance of different printing whiteness is different, the medicine should be applied to the disease!
做為印刷人員,如何快速找到印刷露白的解決方向呢?往往造成印刷露白的原因不同,出現的露白也有細微的不同,印刷人員需要學會根據表象去判斷造成印刷露白的癥結所在,從而快速處理!我們大致可以從下面三個方面來看看。
As a printer, how to quickly find the solution to the problem of printing whiteness? The reasons for printing whiteness are often different, and the whiteness is also slightly different. Printers need to learn to judge the crux of printing whiteness according to the appearance, so as to deal with it quickly! We can look at it from the following three aspects.
                                  QQ截圖20161212180043.jpg
1、先檢測未印刷的紙板厚度值,再檢查紙板從送紙單元出來后的紙板厚度值,看紙板是否有被送紙輪壓潰。如果壓潰了先解決紙板壓潰的問題,送紙間隙是紙板厚度-0.3mm。
First check the thickness of unprinted paperboard, and then check the thickness of the paperboard after it comes out of the paper feeding unit to see if the paperboard is crushed by the paper feeding wheel. If the problem is solved first, the feeding gap is - 0.3mm.
2、以上都無誤再增加印刷壓力值,壓力值不應過大,過大容易產生印刷煳,印刷慢磨損加快。
2. If all of the above are correct, increase the printing pressure value again. The pressure value should not be too large, which is easy to cause printing burn and slow printing wear.
3、檢查印刷版壓是否正常,可以查看印刷版面是否有足夠的油墨量。印刷版硬度實地版適合在34-36度。
3. Check whether the printing plate pressure is normal, you can check whether the printing plate has enough ink. The hardness of printing plate is 34-36 degrees.
如果印刷油墨粘度正確,印刷版、網紋輥良好還是出現印刷露白現象,主要調整方向以油墨工藝為引導,印刷壓力切勿一直加大,可以繼續提高油墨粘度,及油墨的滲透性,也可以將印刷機調整為隔張送紙狀態進行印刷。
If the printing ink viscosity is correct, the printing plate and anilox roller are good or the printing is exposed, the main adjustment direction is guided by the ink process, and the printing pressure should not be increased all the time. You can continue to improve the ink viscosity and the ink permeability, and you can also adjust the printing machine to the sheet fed state for printing.
做好印前的準備印刷版使用久了或印刷版面油墨污垢過多,就會降低印刷版的油墨轉移量,當油墨轉移量降低后,印刷露白現象就會經常發生。
Make good preparation before printing. If the printing plate is used for a long time or there is too much ink dirt on the printing plate, the amount of ink transfer will be reduced. When the amount of ink transfer is reduced, the phenomenon of printing whiteness will often occur.
總之影響印刷露白的情況很多,印刷人員也會往當中加水,使油墨的粘度偏低,也會造成露白的情況,印刷露白可能遠遠不止以上這些問題,我們一邊學習,一邊摸索。
In short, there are many problems affecting the printing whiteness. The printing staff will also add water to the printing ink to make the viscosity of the ink low, which will also cause the whiteness. The printing whiteness may be far more than the above problems. We are learning and exploring at the same time.
感謝您的閱讀,希望以上內容對您有所幫助,如想了解更多精彩內容請點擊:濟南彩色設計印刷http://www.zhouyingzi.cn
Thank you for your reading. I hope the above contents will be helpful to you. For more wonderful contents, please click: Jinan color design and printing http://www.zhouyingzi.cn .

聲明:文章來源于http://www.zhouyingzi.cn/

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