Books and periodicals after the printing process introduction

Books and periodicals printing will be printed into a variety of forms of the book, need to undergo a series of process, these processes are mainly folding, with pages, books, book core processing, package cover, cutting, finished product inspection, packaging and other processes. Different binding forms, the process is also different. Now will be guessing, paperback and saddle Three kinds of binding form of the processing flow list on: From the bookbinding process table can be seen, hardcover book add more complex, low efficiency, high cost, paperback book processing than hardcover book to be much simpler, cover more with 120-180g/m2 paper printing, low cost, It is modern book making. With the most binding form, riding the shortest process, high processing efficiency, low cost, but only applicable to fewer books, periodicals and magazines generally use this form of binding.

The following is a brief introduction to the operation methods of each operation.

First, Hardcover

1. Folding. This is the first process of binding, no matter how to use any binding method, must be folded before the next process. The so-called Hinge, is a printed page in accordance with the size of the book format, folded into the coffin to the specifications. Shanghai Printing Company printing page size and books and periodicals of different format, fold the number of times also with different. For example, the printing page is open, books and periodicals in the format of 16, need to fold the machine on 4 times, the page for the folio, only 3 times the hinge to become 16 open book posts. In a folding machine, the number of fold is limited, if the printing page is open, the folio for 64, 6 times the hinge, and the general folding machine up to 50 percent pages, then it is necessary to cut the printing page into the folio (printed on the version of the method is also different). The Common folio is a positive folio, using the method of continuous folding, that is, each time from the printing page of the long side of the central vertical line to fold. When double-bound, the last fold is collapsed on the center vertical line of the short edge. The horizontal format (that is, in the short side of the book is bound, the hinge will need to be in the penultimate fold, from the center of the short side of the vertical line folded, the final demolition still from the long side of the midline fold. When the deformed folio, folding method is a variety of, in addition to the use of the above method, but also to adopt parallel to grasp parallel anti-fold and other methods. Various commonly used folding methods are now available.

2. Matching pages. Put a book in the order of page numbering together called a page (also known as a matching post >. Now use more mechanical pages. The efficiency of the paging machine is about 60~150 per minute. With the book posted on the back of a black square mark is called a fold, it is used to check whether the book is affixed with the wrong mark. Each post of the position is different, when the book paste is correctly arranged, the fold is arranged by the ladder, if less one or more stickers, with the eyes can easily be seen, can prevent bookbinding errors.

3. Lock Wire. is to link the books with lines. There are two kinds of manual lock line and machine lock line. Wire lock machine and hand-made and automatic arrogance even automatic wire lock machine, the efficiency is very difficult to improve greatly, therefore, some books on the use of adhesive method.

4. Press to tighten the brush glue. The book core after the lock line is very loose, which requires a layer of gauze. So far, the processing of the book core is completed. Some hardcover books are also to be added ribbons, fillets, dyeing mouth and other processes.

5. Cover system to do. The cover of hardcover book is more hard shell, so it is also called Shell. It is made of a variety of cover materials mounted on cardboard. The commonly used _ binding material has textiles, paint paper, paint and all kinds of cloth into the lining: Books of different grades, its materials and methods of making different. High-grade book selection of high-quality fabrics all-inclusive, mid-range book selection of medium-sized fabrics all-inclusive, low-grade books can choose the lower price of fabric all-inclusive, or with better fabric half-pack. The so-called all-inclusive covers, back and back cover all with fabric package mounted, half-pack is only in the back and the book corner mounted on the fabric, and other parts of the paper mounted affixed. This half-pack covers are also paper-backed. Paperboard quality also divided into different grades, good cardboard solid, put on the book cover is smooth, wood prone to hair.

6. Seal the shell, first according to the size of the book size, cut the cardboard (hardcover book of the Shell to be larger than the incision 3mm, this is called the drift, cardboard size should be added to the float), and then the fabric mounted on the cardboard. In the mounting, the cover and back to the back of the thickness of the book to set aside a certain distance. Hardcover books on the cover of the text more than the use of hot stamping, can also be embossed and screen printing. Sometimes the embossing method is used to press out various decorative patterns. Sealing shell has manual and machine two kinds of crafts, high-end books for manual mounting system.

7. A few upper wrappers. The way to hardcover the cover is to put a piece of paper with good toughness. Fold it from the middle and paste it on the book core while mounting it on the cover lining. In order to make the cover and book core connected firmly, but also with gauze to the book core and the cover adhesion or a few strips of tape. When the cover is good, but also in the ridge at the trough, so that the book more solid, and increase the appearance of the beautiful.

Books and periodicals after the printing process introduction