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Printers must look! Introduction to Printing and Packaging Technology

Seemingly simple packaging, but there is a lot of knowledge. In order to make exquisite packaging, printing technology is still very exquisite.

Packaging printing refers to the printing of decorative patterns, patterns or words on the package to make the product more attractive or illustrative. Generally speaking, the quotation of customized packaging boxes needs to be quoted according to the process required by customers. What are the processes of packaging and printing?
The scientific name is hot press transfer printing, referred to as hot transfer printing, commonly known as hot stamping, silver stamping. Heat the metal plate. Foil application. With the rapid development of hot stamping foil and packaging industry, the application of electrolytic aluminium stamping is becoming more and more widespread.

Gold stamping process

Silver blanching process
UV is ultraviolet, UV is abbreviated as "UV transparent oil" is the full name, which depends on ultraviolet irradiation to dry curing ink. At present, UV ink has covered offset printing, screen printing, inkjet printing, transfer printing and other fields. The traditional printing industry generally refers to UV as the printing effect process, which is to pass a layer of Polish (bright, matte, mosaic crystal, golden onion powder, etc.) on a printed pattern you want. The main purpose is to increase the brightness and artistic effect of the product and protect the product. Surface, its high hardness, corrosion resistance and friction, not easy to scratch, and so on, some coated products are now changed to UV, can meet environmental protection requirements, but UV products are not easy to bond, some can only be solved by local UV or grinding.
Bumping and embossing
The scientific name is embossing. It relies on pressure to make the printed object change locally to form a pattern. It uses concave and convex dies to make the printed material plastic deformation under certain pressure. Thus, the surface of printed matter can be artistically processed. There are two kinds of cheap common etching plate and expensive laser engraving plate.

Convex printing

Gravure printing
Colour printing
Color printing is a method of copying images or words in color (corresponding to black-and-white printing, or monochrome printing). It includes many steps, or conversion processes, to produce high quality color reproductions.

Monochrome printing
Monochrome printing refers to the use of one-plate printing, which can be black printing, color printing, or special-color printing. Spot-color printing refers to a special color needed in special modulation design as the base color, which is completed by one-plate printing. Monochrome printing is widely used, and it also produces rich tones to achieve satisfactory results.

Film mulching
Press a transparent plastic film on the printed paper, including crystal film, light film and matte film.

Also known as needle thread, dental floss, is to press a semi-connected line to paper, usually in the opening of the packaging.
Punch holes
It is to make a hole in a piece of paper or N sheets of paper according to the size required. There is a special punching machine.

Brush the paper with glue, then paste a layer of fluff-like material to make the paper look and feel a little fluffy.

Die cutting
Die-cutting is a cutting process in the post-processing of printed matter. Die-cutting process can make printed matter or other paper products into die-cutting cutter plate according to the pre-designed graphics, so that the shape of printed matter is no longer limited to right-sided and right-angled.

Article from 紫云网 Translated by ed

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