The new line in the layout - glue book back depth line

In book binding, the glue book is compared with the flat book, minus a few processes such as hitting a book, binding books, pulp backs, and other costs, reducing labor intensity, increasing the degree of mechanization, and shortening the binding cycle: binding The price of the machine is generally accepted by the printing company: the finished product of the rubber book is flat and firm. The obvious binding advantages of the glue-binding process are favored by the publishing and printing industries, making it the mainstream of printing product binding processes.

In order to ensure the firmness between the pages and the pages of the book spine after sizing, and avoid the existence of the book backs after milling, the layout design adds a depth line of about 3 mm to the spine, which is different from other binding methods. Add lines. From this line to the outer cut line is the finished size of the book. The general book spine leaves 3 to 5 mm of wire to set a mouth, and the heart of the book sets the mouth to the middle of the cut. The saddle-stitched and lock-lined version of the book is generally centered between the spine and the outer cut. It can be seen that the spine of saddle stitching, saddle stitching and binding stitching is a vertical line in the layout, and the bound book publication extends about 3mm around this line and then draws a firm line (according to the folding method and the thickness of the paper. Dimensions) This is the new line in the layout process.

Since the layout specifies the milled back depth line for bookbinding, the function of this line must not be ignored when binding, and production is routinely performed blindly. Some people think that the deep-spinning spine meets the requirements without being folded, and it can be glued. This kind of spine is solid, it does not loose pages or pages, but it undermines the layout of the original design, or even beyond recognition. It is assumed that the spine should be milled by 4mm, but only 1mm is to be milled. Because the milling was not performed according to the rules, the four sides of the plate are not equal to each other, affecting the appearance. If the frame is 3mm or less from the four sides, it will become bleeding. In fact, in the binding process, the person in charge of the binding and the person in charge of the process will not be able to appear as long as it is carefully constructed.

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