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A: When the amount of paper you print is more than 120g/m2, pressing the crease before the folding can make the folding easier. The folded printed sheet is more smooth and the effect is more beautiful. In fact, regardless of the kind of paper, if the creases are folded before the folding, it can get good results.
Crimp creases can be done on a special press creaser machine, which has a desktop machine, but also has a larger press crease, punching dual-use type. If there is an indentation mold, it can also be done on a flat press. In addition, some folding machines themselves have the function of creases.
Q: Is it better to outsource the post-press processing or outsource the post-press processing?
A: With the increase in customer expectations and the constant change in demand, digital printers must not only guarantee print quality and delivery speed, but also have the flexibility and diversity of processing. That is to say, your post-press processing capacity must be able to guarantee the fastest delivery time and the least waste. Therefore, the less time the equipment needs to be adjusted, the better and the simpler the steps. Flexibility is undoubtedly also very important. Therefore, more and more digital printers are now finishing their own post-press processing instead of outsourcing the post-press processing to other service providers. In short, the digital printers themselves can complete the post-press processing, so that they can master the processing of the entire job and reduce the production cost.
Q: How to choose the binding method for printing products?
A: The decision of which binding method to use is indeed not an easy task. The main method should be based on the customer's requirements, the characteristics of the paper used, the orientation of the paper, and the end use of the printed product. In the binding of books and booklets, for example, saddle stitching is a fast, efficient, and economical method, but the bound thickness is limited (usually no more than 4mm); domestic digital print shops currently use more wireless glue binding methods. Binding books are not only beautiful, but also bound firmly. Although the staple binding mode is very good, the binding is time-consuming and costly.
Q: Digitally printed products can also be coated?
Answer: Yes. In order to make the prints more beautiful and durable, many prints are covered with various bright films, matt films, and matt films to achieve distinctive effects. Digitally-printed prints are usually hot-laminated. This method is easy to use and inexpensive.
Q: How to avoid curling of the printed product after lamination?
A: First of all, as far as conditions permit, cover both sides of the substrate as much as possible; if only one side of the paper is covered and the other side is not covered, curling is very likely to occur.
However, there is one point to remind everyone that for the binding books of wireless binding books can only be coated on one side, do not cover both the seal 2 and the seal 3, otherwise the book block and the cover cannot be firmly bonded. In addition, when the laminator is selected, it is also possible to select a rod that prevents the film from being curled, so that the product after the lamination can be flattened without curling.
Q: In addition to the methods and requirements for post-press processing that have been emphasized in the pre-press design phase, what issues should digital printers pay attention to after printing?
A: It is very important to communicate more and communicate more. This can avoid many problems. Pre-press designers, printers, and post-press processing workers should strengthen communication. Check whether the layout design meets the requirements of post-press processing. In addition, there are a few things to note:
1 to select the paper suitable for printing, check the paper format, quantitative compliance with the requirements;
2 In the post-press processing process, the processing effect of each process should be inspected frequently to ensure that the processing of the printed product reaches a higher level;
3 Always ask questions before thinking about buying and choosing post-press processing equipment. Think twice before proceeding, depending on the machine's operation demonstration, confirm that it can meet the speed and quality you require, and can meet your post-press processing needs. It depends on whether the dealer of the equipment can provide you with spare parts and consumables supply (such as indentation molds, ordering heads, glue, film for laminating, etc.) besides selling equipment.
Q: What is the purpose of the imposition?
Answer: 1 Put several pieces or dozens of colored manuscripts and laces, backgrounds, and texts in accordance with the layout requirements of the customer's design. Since the proportion of the originals is reduced and enlarged, the proportion of the electronic color separation or the photo separation needs to be appropriate, and then the imposition of the film is performed. Customers design a variety of graphics, some to be round, some to be square, and some plans to map, and some want to figure in the set, which requires one by one to solve the imposition, in order to meet the layout design requirements.
2 In order to improve the efficiency and quality of printing plates and printing plates, large plates must be made according to the printing conditions. That is, the split printing is made into the split surface, the three open printing is made into three open layouts, and the four open prints are made into the four open layouts, etc. This can avoid that the original version is small and the print version undergoes multiple sets of drying. Insufficient drying affects the quality and efficiency of printing. At the same time, it reduces the number of prints and increases the quality and efficiency of printing.
In summary, through the imposition process, all the required images, text, shading, lace, etc., are printed on the layout of a pair of open, three open or four open screens according to the layout design requirements and printing conditions. The purpose of the imposition.
Digital Printing Postpress Processing FAQ
Q: Why do you want to press the folds and how do you press the folds?