Illustrated Jewelry Dictionary
Three in doing the printing paper from the rational choice
Appropriate and reasonable selection and use of paper for publication to ensure the quality and reduce the cost of publications are of great significance. Engaged in publishing and printing industry as a material Management Personnel, not only according to the department’s publication of all annual and quarterly plans, pre-select paper types and specifications, and plans to publish an accurate calculation according to the required number of kinds of paper. Also be able to coordinate and guide the officer reasonably printing paper in order to reduce paper consumption, enhance economic efficiency.
Paper selection, including selection of species, size and quality grade, and several other areas, not only focus on one aspect while ignoring others.
1, the choice of the paper variety
Variety in the choice of paper, the main publications of need according to desire the character and type of printing press used to choose. Color cover books in print, illustration or advertising inserts, can use double-sided art paper or Offset; printing Trademark And so can use the single-sided printing or single-coated tape; print dictionaries, dictionaries, manuals, dictionaries and other reference books should be selected letterpress paper or thin paper; print books can be used generally Offset printing Book Paper or letterpress printing paper. General books are also printed, if wishing to Rotary press Should be chosen to use Web (except the platform wheel printer), if the plan to the general platform selection, sheets printed Ze Xu; if Offset Should use offset printing books on paper, if printed in letterpress printing Letterpress printing paper is used on it.
Many different types of printed materials, printed matter according to the specific characteristics of the various options used in the paper variety.
2, paper size selection Specifications on paper the choice of books and papers relating to the open method, it is necessary to open to the general publications of the paper Law and the common format are introduced.
Paper production sector according to national standards of production of paper called the full-paper to a paper cut or folded into a fully open area equal to the number of Xiao Zhang, the number of open call number, bound, namely the number of Folio. A variety of format specifications, there are uniform standards, it printed out in books all over the country, the same specifications are the same size.
Format as all kinds of paper sizes like, although a few are cut folded into the same open, its not the same size specifications set into the book, such as the number of formats on the inaccuracies collectively referred to as a. China currently 787 * 1092 (mm) as the standard sheets of paper, printed in 32 use it to open the book, called the 32 format. If 850 * 1168 (mm) 32 to open the paper to printed books, print runs than the standard format for the paper, so, to crown a “big” word, known as the Big 32 format.
Format of choice, generally based on the nature of the book, page number, the reader level, conditions and other factors used to decide, not some mandatory. Books, periodicals format, most of the geometric progression is 2 to cut, so easy to use in the binding machine folded into a book. 16,32,64 format is more common format, the most commonly used is the 32 format.
Under the knife in the length of the start of the geometrical progression of 2 open method is commonly used in the basic open method to open the direct method. Geometrically according to 2 open cut, you can also start in the width direction of the knife, which is the so-called horizontal open method.
Cross open method uses very little, only some of the covers, inserts and special printing paper, use this open method.
For publication in the special needs, and sometimes non-geometric progression of the deformity format, such as the 12 open, 18 open, 20 open, 24 open, 28 open, 36 open and so on. Format can not be deformed folding machines, cutting and also more trouble, when bound to use manual, prone to error, so the general books, especially books printed in more general rarely used. Non-geometric progression of the deformity open method, there are three open method, five open method, seven open method.
The same number and the open method to open the book printing and binding, format size and area but with the use of paper specifications vary, so the choice of paper to note when the paper specifications. In general, the more authoritative works of literature or celebrities often use 850 * 1168 (mm) of the large size of paper, general fiction and other books on the most common use of 787 * 1092 (mm) of standard specifications on paper. In addition there is a more common international standard 880 * 1230 (mm), China has formally included in the national standards.
In the choice of paper specifications, in addition to pay attention to sizes of paper, but also select the appropriate quantitative. Generally meet the requirements of the printing and the use of the premise, should be quantitatively small selection of paper, this can reduce the cost of publication.
3, the choice quality grade of paper
Used in the selection of paper types and specifications of the future, but also a very careful choice of quality grade of paper. In other words, be familiar with the characteristics of the various mills range of products and quality conditions, and at any time to understand and master the changes.
4, other
Paper in the selected varieties, specifications, manufacturers and quality grade is determined, we must pay attention in the publishing and printing process is best to use a factory products in the same period to print the same book. Otherwise, due to the production of different manufacturers at different times of the same species are very different color of paper, printed books will make happen, “sandwich” phenomenon.
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