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10 basic craft of book printing processes
For people in the Chinese printing industry, the term post-press is familiar to you. It refers to the post-printing work. Generally, the post-processing of printed matter includes over-glue (film), over-UV, over-oil, beer, hot stamping, and punching. Embossing, mounting, binding, cutting, etc., are mostly used for publicity and packaging printed matter. The ten basic post-printing processes are listed below, in no particular order, for your preliminary understanding and understanding.
1. foil stamping
The name of the study is called heat transfer printing, or heat transfer printing, commonly known as gold stamping and silver stamping. There is a cold transfer.
2. UV varnish
UV is ultraviolet rays varnish, usually call UV, is to rely on ultraviolet irradiation to dry curing ink. UV is usually a silk screen printing process, and now there is offset UV.
3. embossing and debossing
The process of forming patterns by pressure makes the substrate change locally. It is a process of pressing plate and substrate after corrosion of metal plate. It can be divided into two types: cheap ordinary corrosion version and expensive laser engraving version.
4.die cut
Have the actual shape cut usually call die cutting. Die cutting process is a molding process that makes special die cutting tools according to the design requirements of printing products, and then cuts the printed or other substrate into the required shape and packing or cutting marks under the pressure.
5. Glitter
It is to pass a layer of glue on the paper, and then spray gold powder on the glue make it lighting specially, also popular using in book printing china.
6. Wire-O
It is an object like spring, plastic type is mostly used in calendar and notebook spine, page turning connection, there are also use metal ring for the book binding, make it open flat.
7. Lamination
Press a transparent plastic membrane on printed paper, usually have glossy and matte lamination, also there are some other like crystal or soft touched lamination, commonly used on book cover of book printing by Chinese printers.
8. Perforated lines
This is one of the post-processing to press out a half connected line for paper, usually appear in the opening of the packaging, some are use for the book inner paper in order to tear off.
9. Drilling
It is to make a hole in a piece of paper or n-sheet paper according to the size required, and there is a special punch.
10. Pile coating
It is to brush the paper with glue, and then paste a layer of material similar to the wool, so that the paper looks and feels a little bit of flannelette.
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