Definition and function
"Bleeding" means that in the printing process, in order to prevent the content from being exposed or cut too much due to cutting errors, some blank areas are appropriately left around. These blank areas are bleeding. The setting of bleeding is very important, and it needs at least 3 mm
Scope and settings
In the production of printed matter, the range of bleeding will vary according to the size of paper and the size of finished product. The bleeding settings of printed matter in different areas and uses will be different. The bleeding line is not necessarily outside the printed manuscript. For example, when making paper bags, bleeding is often in the position of pasting and folding.
meaning
Proper bleeding is an important step to ensure the quality of printed matter. Because the whole stack of paper will be slightly tilted when cutting, if it is a single sheet, it will be fine, but if it is a bound book, benzene magazine and so on. Because of the error of nail and glue, if there is too little bleeding, there will be cutting problems.