Binding on the folding product quality a few errors – folding, binding – Printin
When a customer for some folding of the binding quality product complaints, the folding process as a binding part of one of the important and often easily become the focus of blame. In fact, the product reflected in the binding process of the various flaws and shortcomings, is not entirely the responsibility of folding department, sometimes completely unrelated. The following quality seems to have trouble relating to the quality and folding, in fact some "miscarriage."
Binding on the folding product quality a few errors ( HC printing network With map)
Print Network HC When a customer's binding to certain folding product quality complaints, the folding process as a binding part of one of the important and often easily become the focus of blame. In fact, the product reflected in the binding process of the various flaws and shortcomings, is not entirely the responsibility of folding department, sometimes completely unrelated. The following quality seems to have trouble relating to the quality and folding, in fact some "miscarriage."
1, line position does not coincide with the color line
In Design Folding paper products must consider the thickness of the fold quality. In general, multiple folding, the folded pages inside to be slightly less than the external dimensions of the page, that the design department must cut this gives a certain amount of compensation in order to increase the amount of the actual cutting. If the compensation amount is too small. Internal page size is too large will result with the interference of other pages, the page makes collisions between the external page arched tilt, the entire book posted lower level service level. Therefore, multi-fold, the best part of the design clearly shows the amount of compensation. Otherwise, once the design flaws with this file is sent as a last line of defense in the binding department, will have to in the folding process of cutting the amount of the compensation page, then, if the product line coincides with the color sub-position boundaries overlap, as crop compensation will not result in any overlap.
2, within the folded page size too small
General, the standard crop compensation leaflets page volume 1.5 ~ 3mm, but if using a multilayer paper or thick paper, should be appropriately increased compensation in the amount cut off the page. However, if the compensation amount is too large, it will cut due to the high levels of the actual result of the actual size within the fold of the page smaller. In reality, we often see this approach: the design department is not alone in the design on the amount of compensation for crop requirements or settings, but rather seek to save trouble, direct request binding department to resolve the issue of compensation cut. Such practices in some simple folding operations are especially common. For example, in bank bills designed to send Direct mail Envelope, the shorter the length of that page should be smaller than the other two long pages about 2mm. However, most of the practice is designed to bypass the link. Directly to the third page of the size cut into relatively short. In order to fundamentally prevent excessive cutting off the page because of the practical problems caused by smaller size. Best specified directly in the design of single-cut the amount of compensation, under normal circumstances, a description of no more than 3mm.
3, the paper out of cracks in the broken line
When paper fibers are stretched too far when being separated. Cracking phenomenon occurs paper. This behavior can occur if the field area, the result is especially bad. Paper cracking occurred for many reasons, such as folding no indentation before treatment; paper moisture content is too low; folding roller set incorrectly so. Of these, the most common reason. No matter what Print Products. Customers want cost to as low as possible, while the value of the products can be as high as possible. Value-added products in the customer recognition of the importance and appearance of effects circumstances, the printing processing unit of the relevant departments need to advise clients to conduct indentation before the folding process, increased costs to customers willing to invest. In general, if the direction of paper folding and subject to the direction perpendicular to the thick line through the field and other areas ink, paper, quantitative large, or the cover of books, etc., must be pre-indentation of the line treatment to be clear, precise line.
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