Several types of layout folding methods for arranging non-printed sheets
We often only pay attention to the page number of a book, the method of opening a fold, and the process of forming a book, but we rarely think about how many sheets of paper are formed, and how the page number is arranged. Determining the page number of the book is related to the print version, which is a prerequisite for the entire process setup. With it, we know how to print, print, bind and book.
One sheet of paper is printed on one side or one sheet on both sides of the sheet is printed one sheet at a time. A book consists of multiple sheets, and one sheet can print multiple page numbers according to different versions. For example, if a print is printed with 8 page numbers and the page is full of 64 (multiple of 8) pages, 8 full prints are required, which is the case that can be filled. If the book content is only 60 pages, how to arrange the blank page posts and page number settings. If a double-sided white page appears in a book, how do you arrange it?
The following is a split lithographic printing machine, 32-fold, vertical cross-folding, and a bookbinding book as an example. The front and back page numbers are set as follows.
(1) If the book page number is a multiple of 32, such as 128 pages, 256 pages... directly follow the above page number layout.
(2) If the book has 33 pages of word content, 32 pages of the entire printed sheet are removed, and the remaining 33 pages of film are processed independently, glued to the large film and then exposed, the actual process only spells 8 open (ie 0.25 printed sheets), and then points The second cover exposure is 4 times to fill the entire face.
(3) If the book has 42 pages of word content. Remove 32 pages of the entire printed sheet, the remaining 10 codes, 10÷32=0.3125, then you need to add white pages to 12 codes, 12÷32=0.375, then 0.25 prints, ie 8 page numbers, 0.25×32= 8, 0.375-0.25 = 0.125, the remaining 0.125 sheets, 0.125 × 32 = 4, the last 4 pages of the print (including a double-sided white page). 1 to 32 pages in one layout, 33 to 40 pages on another layout, 41 to 42 pages and a white page on the third page. Finally, print separately, then stick the pages, sets the pages or inserts.
(4) If the book has 50 pages of text, except for the 32-page full-print, there are 18 pages, of which 16 pages are printed with 0.5, and the whole print is printed twice. Because the layout is repeated once, a PS version can be printed. Two copies of the signature. Therefore, the layout of non-printed pages is essentially a step-by-step process.
In addition, in actual production, in order to ensure that the page is not off-page or dropped, usually the non-printed sheet and the sheet are bound in the entire sheet, and the one sheet is not a continuous page number (1 to 32), but The page number separated by one area is left to the single code insert.
Of course, when special page numbers appear, we can use other special folding methods, such as parallel folding and mixed folding. For example, in the case of a parallel folded core, it is required to be in the order of page numbers, and the first folded paper edge is sandwiched between them, which is commonly used for 6 pages and 1O pages. The hybrid folding is a folding method that has both a parallel folding and a vertical cross folding, and has both a turning and a folding. It is commonly used for 6 pages, 9 pages, and double folding.
We often only pay attention to the page number of a book, the method of opening a fold, and the process of forming a book, but we rarely think about how many sheets of paper are formed, and how the page number is arranged. Determining the page number of the book is related to the print version, which is a prerequisite for the entire process setup. With it, we know how to print, print, bind and book.
One sheet of paper is printed on one side or one sheet on both sides of the sheet is printed one sheet at a time. A book consists of multiple sheets, and one sheet can print multiple page numbers according to different versions. For example, if a print is printed with 8 page numbers and the page is full of 64 (multiple of 8) pages, 8 full prints are required, which is the case that can be filled. If the book content is only 60 pages, how to arrange the blank page posts and page number settings. If a double-sided white page appears in a book, how do you arrange it?
The following is a split lithographic printing machine, 32-fold, vertical cross-folding, and a bookbinding book as an example. The front and back page numbers are set as follows.
(1) If the book page number is a multiple of 32, such as 128 pages, 256 pages... directly follow the above page number layout.
(2) If the book has 33 pages of word content, 32 pages of the entire printed sheet are removed, and the remaining 33 pages of film are processed independently, glued to the large film and then exposed, the actual process only spells 8 open (ie 0.25 printed sheets), and then points The second cover exposure is 4 times to fill the entire face.
(3) If the book has 42 pages of word content. Remove 32 pages of the entire printed sheet, the remaining 10 codes, 10÷32=0.3125, then you need to add white pages to 12 codes, 12÷32=0.375, then 0.25 prints, ie 8 page numbers, 0.25×32= 8, 0.375-0.25 = 0.125, the remaining 0.125 sheets, 0.125 × 32 = 4, the last 4 pages of the print (including a double-sided white page). 1 to 32 pages in one layout, 33 to 40 pages on another layout, 41 to 42 pages and a white page on the third page. Finally, print separately, then stick the pages, sets the pages or inserts.
(4) If the book has 50 pages of text, except for the 32-page full-print, there are 18 pages, of which 16 pages are printed with 0.5, and the whole print is printed twice. Because the layout is repeated once, a PS version can be printed. Two copies of the signature. Therefore, the layout of non-printed pages is essentially a step-by-step process.
In addition, in actual production, in order to ensure that the page is not off-page or dropped, usually the non-printed sheet and the sheet are bound in the entire sheet, and the one sheet is not a continuous page number (1 to 32), but The page number separated by one area is left to the single code insert.
Of course, when special page numbers appear, we can use other special folding methods, such as parallel folding and mixed folding. For example, in the case of a parallel folded core, it is required to be in the order of page numbers, and the first folded paper edge is sandwiched between them, which is commonly used for 6 pages and 1O pages. The hybrid folding is a folding method that has both a parallel folding and a vertical cross folding, and has both a turning and a folding. It is commonly used for 6 pages, 9 pages, and double folding.
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