Book printing steps Paper print printing processes
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The paperback process includes folding, placarding, ordering, gluing, wrapping, hot backing, and three-sided cutting. Folding and tying are the same as those for finishing. For example, the sewing process is the same as the hardcover. Therefore, only the following steps are described here.
Book printing and printing process
Book. After the lock line is installed on the lock line, the back of the book is also reinforced. The method is to apply a layer of cardboard or gauze after brushing at the back of the book. When the iron effect is set, the posts of the book block must be glued together before ordering. , The binding rules of plastic drills are the pages with good posts, multiple woods piled together, glues on the back of the book (saw or milled back before brushing), stick paper or gauze, etc. Cut a book block with a knife (called a copy).
2. Cover the skin. After the above-mentioned differently-defined processes are processed, the wrapping process can be performed. Before the envelope is wrapped, glue must be applied to the back of the book, and the cover must be accurately affixed to the back of the book.
3. Hot back. A well-wrapped book requires the back of the book to be flatter over the back of the scald. The method of scalding the back is to squeeze the book tightly so that the back of the book is affixed to the platform of the bucket, and then put pressure on the back of the book to make the book hot. There are two methods: single hot and multiple hot. There is only one hot per copy for a single hot one. It is suitable for continuous production. Many hot books are hot and back with multiple book codes and are suitable for semi-mechanized production.
4. Three sides cut. Mostly on the three sides of the cutting machine, the processing program is that a stack of books is input into the cut-book machine, and the probe book is transmitted to the book-cutting position by the mechanical transmission. The pressure plate automatically presses the book, and the upper and lower cuts simultaneously cut the two blades simultaneously. Next, when the two knives are lifted, the outer incision is cut along with a knife to complete three cuts. The cut book is automatically launched by the machine, and then the next book is cut. In order to ensure the book's cutting position, the book wood should be completely dry before cutting, and the knife must be sharp. After the three sides are cut, Shishi inspection is also required to pack the products.
Third, saddle booking
From the beginning of the collation, the saddle-stapling binding method is not the same as the above-described child-binding method. Its page matching method is based on the order of the signatures, and finally it is covered with a cover; the staples are set from the fold to the outside. After finishing the book on three sides, the binding of a book is completed.