Printing is a well-known topic. No matter in the discount season of enterprises, retail businesses, supermarkets and so on, you can see that there are beautiful folding albums distributed on the advertising billboards on the shelves of shopping malls. The beautiful albums on the surface also have many processes. Let me know how to solve some double shadows in printing.

在印刷過程中,都會出現各種各樣的問題,其中包括印刷工藝、印刷油墨、印刷生產等各種問題,印刷雙影是現在要解決的問題,印刷字跡筆劃邊沿呈反翹狀,印刷出現雙影,這是印刷生產過程中常見的問題之一,下面我們就來解決一下印刷雙影的問題。

In the process of printing, there will be various problems, including printing process, printing ink, printing production and so on. Printing double shadow is the problem to be solved now. The stroke edge of printing handwriting is inverted, and printing double shadow occurs. This is one of the common problems in the process of printing production. Let's solve the problem of printing double shadow.

一：檢查印版

1： Check the printing plate

印版的字跡筆畫過此,產生雙影的原因很多,但直接的原因細字跡筆畫表面不平滑、不均勻,或印是壓力造成的。要在生產中達到一個滿意版對墨的轉移性不良等因素,都可能出的印刷效果,就要求作人員的技術設備、印版、紙板、水墨、輔助材料搭配得恰到好處。

There are many reasons for the double shadow caused by the strokes on the printing plate, but the direct reason is that the surface of the fine handwriting strokes is not smooth and uneven, or the printing is caused by pressure. In order to achieve a satisfactory printing effect due to factors such as poor transfer of printing plate to ink, it is required that the technical equipment, printing plate, cardboard, ink and auxiliary materials of the workers should be properly matched.

二：調整壓力

2： Adjust pressure

這里的壓力分為上壓和下壓,上壓是指網紋輥和印刷輪之間的間隙大小下壓是指印刷輪與印刷壓輪之間的間隙大小。壓力大則間隙小,壓力小則間隙大。上壓過大和下壓過大印出的效果是不同的。出現雙影的時就要仔細觀察印刷效果,如果雙影出現在字跡筆劃周圍,便是上壓過大造成的,要將上壓適當減少,也就是網紋輥和印刷輪的間隙適當放大一些,以進紙的方向為準，如果雙影出現在進紙方向下方的話,那就是下壓過大造成的。要將下壓適減小,也就是將印刷輪之間的間隙調大一些,效果就會有所改善。

The pressure here is divided into up pressure and down pressure. Up pressure refers to the gap between anilox roller and printing wheel. Down pressure refers to the gap between printing wheel and printing pressing wheel. Large pressure leads to small clearance; small pressure leads to large clearance. The effect of overpressure is different from that of overpressure. In case of double shadow, it is necessary to carefully observe the printing effect. If the double shadow appears around the writing strokes, it is caused by excessive upward pressure. The upward pressure should be appropriately reduced, that is, the gap between the anilox roller and the printing wheel should be appropriately enlarged, subject to the paper feeding direction. If the double shadow appears below the paper feeding direction, it is caused by excessive downward pressure. To reduce the press down, that is, to increase the gap between the printing wheels, the effect will be improved.

三：版面設計

3： Layout design

在實際的生產過程中,經常會遇到實地版和小字版面的情況,印刷過程中,要想實地版印得平實,飽滿一些,壓力就要適當的大一些,但同時又會使小字產生重影的現象。除了上面的因素外,還有其它因素,如水墨本身的轉移性不良,紙板不平整,抗壓強度不均等。在印刷時,要達到一個顏色鮮艷、飽滿、覆蓋力好的效果,考慮的就是調整設備的參數,包括壓力。雖說用襯墊能很好地起到緩沖的作用,但依舊不能從根本上避免產生雙影的可能。

In the actual production process, we often encounter the situation of field edition and small print edition. In the printing process, if we want to make the field edition smooth and full, the pressure should be appropriately large, but at the same time, it will cause the small print to have a double image. In addition to the above factors, there are other factors, such as poor transfer of ink itself, uneven paperboard, and uneven compressive strength. When printing, to achieve a bright color, full and good coverage, the first consideration is to adjust the parameters of the equipment, including the pressure. Although the cushion can play a good role in cushioning, the possibility of double shadow cannot be fundamentally avoided.

要想制作出來精美的印刷產品，就要在印刷時注意很多，當然不僅是要在印刷時注意，在設計時也需要注意，以上就是對印刷雙影的問題解決的方法，印刷時要多加注意。

If you want to produce exquisite printing products, you should pay attention to a lot during printing, not only during printing, but also during design. The above is the solution to the problem of double shadow printing. You should pay more attention during printing.

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