Prepress page layout design process II
fiber direction of paper
the fiber direction of paper must be parallel to the spine of the book, which is the most basic rule, and it must not be ignored. Sometimes there are some advertising prints that use the opposite fiber direction, but this kind of situation is very rare and requires careful planning. Generally speaking, the fiber direction must be parallel to the binding line
the weight of the paper line
the control factor that determines the number of pages a Book fold should contain is the weight of the paper. The heavier paper should be folded into 8 pages, and the lighter paper is usually folded into 16 pages. The Bible paper is preferably 32 pages, but there are also 64 pages. A particular decision is governed by the details of the print
paper orthogonality
requires accurate origami printing and "flip" typesetting. Before printing, the paper should be rectangular. In other cases, it is enough for the edge of the paper to be positioned at right angles to the edge of the paper claw
the squeezing of paper thread
when using horse riding nail binding method, the number of pages inserted into the inner surface can completely eliminate the air in the hydraulic universal experimental oil pump. However, for the paper whose thick demand is further expanded to the economic field, it is easy to produce the phenomenon of "creep" and "pushout". In order to resist the problem of "squeezing out", such a print must first see how much it needs to be adjusted to cope with the changes of binding edge and outer edge, and then choose the size of the page. In some cases, in order to fold and cut, the "cuutter" must be adjusted to properly align with the page number
embedding plan
in printing, printing one more color will cost one more printing fee, so when designing some printed materials, we should pay attention to the distribution of colors on each page. For example, for a 16 page book, some pages need color and the other part only needs single ink printing, but if all pages are printed in color, it will cause waste. Different color page assignments will occur if the printing, embedding and binding methods and procedures are different
in the design of printed matter, the paper cannot be used up, and there must be eight three inch to half inch bite edges, which is also important to promote the ecological development. Some bleeding prints need to leave more space, otherwise the ink at the bleeding position will accumulate on the adhesive tape cylinder or pressure cylinder, causing contamination
some large areas of the field are on the same page with some fine lines or fine lines, which will make it difficult to control the amount of ink. The image of the large field requires a lot of ink, so the fine lines become thicker. On the contrary, an appropriate amount of ink will not make the fine image thicker, but the position of the field is not solid enough
before embedding, you should first use a white paper, fold it into a sheet according to the folding method of the paper folding machine, write the page numbers on the paper in sequence, and unfold the paper to know the layout position of the page
in some cases, when the color is widely separated on the page, the two-color effect may be achieved in one printing process, which is called "split fountain printing". The principle is to put two-color inks on both sides of the ink tank
folding of paper
the so-called "folding" refers to the transformation of printed paper into book sections or book pages arranged according to fold page numbers. It can also be used in the production of advertising prints, such as Folding brochures, leaflets and mail advertisements
"folding" is mainly divided into "parallel fold" and "right angle fold", and different forms are mainly caused by these two changes. "Parallel folding" means that each folding line is folded in a parallel direction; "Vertical folding" means that at least one folding line is at right angles to the folded folding line after each folding
most of the vertical folding is used for book printing, which is called "Book folding", while the parallel folding is generally used for advertising mail and instructions, but it is also used for very narrow books or repeated printing work. For example, a six page origami paper is divided into three parts, and the left and right parts are folded inward, which is called "three leaf panel folds". For example, the left part is folded upward and the right part is folded downward, which is called "accordion folds or Z folds"; Accordion folding with more than six pages, called "over and over folds", is also a common folding method
binding
the definition of binding is to connect the printed books and periodicals in order, making them solid, beautiful, easy to read and save. Nailing also includes many other post printing processing work of finished products, such as bronzing, fillet cutting, beer dark lines, envelopes, paper bags, punching, nailing and so on
binding books are called (binding) in English, which can be divided into "hardcover" and "paperback". For commodity lists, advertising brochures and annual reports, designers must design them according to their purpose of use, content, number of pages, paper and its weight, size and thickness. First of all, we also need to have a certain understanding of the nailing method, and then we can get twice the result with half the effort in the design and arrangement
paperback
is a method of binding books, novels, magazines, etc. with iron nails or stitches and a soft cover on the outside
hardcover
is formed by cutting and nailing the inner page first, and then adding a pre made hard leather surface on the outside. Therefore, the cover is slightly larger than the inner page. Such as books and encyclopedias of the single edition
hardcover can be divided into the following three categories according to the method of mounting the back and binding the cover
soft back: its book back is soft. With the opening and closing of the book, its back participated in the exhibition of the prototype of this shoe at the international footwear exhibition in Milan. It can bend, so it is very easy to turn. However, the words on its back are easy to be damaged
hard back: the back of the book is hard, and the words on the back of the book are not easy to be damaged. However, it is its disadvantage that reading books is not smooth compared with those with a soft back. Leave more blank space near the binding line, which is the place to pay attention to when designing
back binding: the binding method of this kind of back binding is to combine the strengths of the above two and discard their weaknesses
the so-called "back" is a binding method between the number of pages in this article and the pages of the book. When opening the book, a hole will be left, so that the words on the back of the book will not be hurt, and it can be smoothly bound when opening the pages. Encyclopedias and other books that examine a little bit adopt the method of carrying a disguise
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