At present, the post-printing process is seen as a “tasteless†in many printing companies and has become a forgotten corner, and even simply “breachers break their wrists†and totally rely on outsourcing to get rid of this “lose moneyâ€, which is a sign of the importance of the printing industry operators for postpress. The lack is not unrelated. The importance of printing after the publication is self-evident, but for a long time, from the publishing unit to the printing company, it is often said that this is important, and it is important to do it. Therefore, it is very necessary to re-understand and strengthen the importance of understanding post-press, truly establish binding-centered, scientific arrangements, and rational scheduling of all aspects of printing production. The author believes that the importance of post-press is reflected in the following three points.
First, bookbinding speed directly affects the book cycle. There are many steps in the binding process, especially the books and magazines with complicated binding processes. The time required for the printing process is much more than that before printing and printing. In actual production, due to factors such as customer confirmation, production arrangements, and equipment, the prepress, printing, and other links have not been completed in accordance with the planned time, but the final delivery date is difficult to change and the pressure is all being bound. Stapling processes are often both for the previous process "wipe ass," but also work overtime to increase the time, some processing links with the necessary process time can not be guaranteed. In order to occupy the market, the publisher shortens the publishing cycle of the book indefinitely. In order to guarantee the delivery period, it is naturally not possible to do fine work, but can only reduce or shorten the processing of some processes. For example, a paperback book starts without the binding of the binding sheet. Layouts, color inks and inks began to fold, and when the film was not cured, the front cover was cut. If the merchant's dried color pages did not perform the necessary natural humidity adjustment in the air, the binding was started. How could this happen? Can guarantee the quality of binding?
The second is the direct relationship between binding efficiency and printing costs. Changes in the customer groups faced by printing companies, and customers, especially magazines and catalogue printing customers, are pursuing faster, better, and cheaper ambitions. This has made speed a key factor for printers to win in the competition and is also a customer evaluation. An important indicator of the service capabilities of printing companies. To meet the above requirements of the customer base, it is necessary to introduce linkage lines with a higher degree of automation to replace traditional manual operations, reduce the rate of error and waste, improve production efficiency, and accelerate the transition from India to technology, talents, and capital-intensive types; Scheduling, seamless convergence, to avoid the phenomenon of waiting for work and rushing due to production schedule errors.
Third, the quality of binding is directly related to the reading effect and the period of use. Binding quality elements, such as the page number of books and publications, whether the layout is correct and tidy, whether the diagrams are connected properly, and whether the bindings, locks, adhesions are firm, and the deformation is not deformed; whether the binding cover is firm, clean, flat, and whether the clothes are flat or not when reading. Can be opened, the appearance is not beautiful deformation, etc.; the selection of materials is appropriate, qualified, etc., will directly affect the reading and use. With the continuous updating of prepress and printing equipment over the years, the quality of printing has not been a major issue in the quality of books and periodicals, and binding has become a bottleneck restricting the development of books and periodicals in China.
For a long time, the neglect of binding, prepress and printing production processes do not understand or communicate with the binding process requirements. In particular, some printing companies have bound and outsourced the production methods, resulting in a large number of false binding quality problems. In other links. The neglect of India and the large number of "passing packages" will inevitably further intensify the misunderstanding of India.
If the fold line position does not coincide with the color boundary line, which may seem like a folding problem, it may actually be caused by the poor consideration of the relationship between the paper thickness and the fold. Multiple folding, especially multiple folding of thicker paper, the size of the page folded inside must be slightly smaller than the external page, that is, the design gives a certain amount of cutting compensation to increase the actual cutting amount. Inappropriate compensation will make the entire book unfair. If the amount of cutting of the page is compensated during the folding process at this time, the fold line position just coincides with the color boundary line, which may cause the actual discordance when the book is formed.
For another example, if the margin of the finished product page is too small or part of the text is cut, as long as the folding edge is straight and straight, the cutting amount and the size of the finished product are correct, it is most likely caused by a small margin at the time of design. Not a problem with the binding process.
In addition, digital printing in recent years, if not considered properly, will also bring about the problem of the false quality of binding that cannot be solved by the binding process. For example, during the digital printing process, the paper suffers from reduced moisture content, increased brittleness, and decreased strength due to high-temperature baking, and it is easily damaged during folding. Indentation should be performed at the fold line to increase the toughness, or the sheet should be dampened with the natural humidity of the air and then folded. In addition, the static phenomenon of digital prints is more serious. After the ionization air system is used to eliminate static electricity, the folding will be relatively smooth.
Talk about the importance of post-press processing
November 09 15:01:35, 2019
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