The concept of bleeding in Word picture typesetting

In Word picture typesetting, or in typography, there is usually a technical term that bleeds.

Many people do not understand the layout of the bleeding meaning, below, to give you a detailed description of what the concept of bleeding in typesetting.

Bleeding is also a printing term.

The so-called "bleeding" of paper prints refers to the partial printing of the hyper-publishing heart.

Version is the area of Ventu that is uniformly defined in the typesetting process, up and down will leave white (such as word square margin is white), but in the paper print, sometimes in order to achieve better visual effects, will be text or pictures (mostly pictures) over the publication of the heart Range, covering the edge of the page, called "Bleeding map."

The bleeding in printing is to increase the size of the product of the pattern, in the cutting point plus some patterns of extension, specifically for the production process in the scope of the process tolerance to avoid cutting the finished Lu Bai edge or cut to the content. In the system when we are divided into design size and finished product size, design is always larger than the size of the finished product, big out of the edge is to be printed after the cut off, this to print out and cut off the part is called printing bleeding. Bleeding is not all 3MM, different products should be treated separately:

First, the General Color card box (page size is not very large, such as computer small fan packaging box): 3MM;

Second, the General single Pit Color box (for example: mounted A9, B9, C9, O9, K9, K3, etc.), on the Mounted color box (such as: 250G Gray card mounted 300G gray card): 3-5mm;

Three, double pit color box (for example: 250G Gray card mounted b3+b3): 5mm-8mm.

Four, card: 2-3mm, because the smallest double knife position is 3-4mm.

To do a good job of "bleeding" process, must be prepress, medium and post process technology really familiar.