The production sequence process of carton packaging and printing organized by the staff of Heshan Ching Luen Pringting  Factory:

design

Many packaging box designs are designed by companies or customers themselves, or have been designed by a design company, because design is an important step, what kind of pattern or size, structure, color, etc. are desired. Of course, the packaging box printing factory also has services to help customers design.

Proofing

For the first customized printing packaging box, digital samples are generally required, and the more stringent ones even need to be printed on the printing machine. When the digital samples are printed again, the color of the digital sample may be different during mass printing, and the printing machine Real samples can ensure consistent color in mass production.

publishing

After the proofing is confirmed, it can be mass-produced normally. In fact, this is an important step for the production and production of packaging and printing plants. The color technology of the color box packaging box is very beautiful, so the colors of the published edition are also varied, and many color box packaging The box not only has 4 basic colors, but also spot colors, such as special red, special blue, black, etc. These are all spot colors, which are different from the normal four colors. A few colors are just a few, PS printing plate, spot color is a unique one.

Paper material

The selection of color box packaging materials has been determined when proofing, here is the type of paper used for packaging box printing

1. Single copper paper

Also called white cardboard, suitable for color box packaging, single box printing production, general weight: 250-400 grams

2. Coated paper

Coated paper is used to make packaging boxes, which are generally used for mounting paper, that is, coated paper is printed with a pattern, and then mounted on gray board paper or wooden boxes, generally suitable for hardcover box packaging production.

3. Whiteboard paper

Whiteboard paper is paper with one side white and one side gray, and the white side is printed with patterns. It is useful as a single box, and some can be used as a box mounted

print

The printing process of the color box packaging box is very demanding, the most taboo is the color difference, the ink dots, the needle position inaccurate overprinting, and the scratches, etc., will also bring trouble to the post-press processing.

Printing surface treatment

Surface treatment, color box packaging boxes are commonly coated, uv, varnish and bronzing.

Die-cutting

Die-cutting molding is also called "beer" in the packaging and printing industry. It is a more important and final link in the post-printing process. If it is not done well, the previous effort will be wasted. Pay attention to the indentation for die-cutting. Don't burst the line, don't die-cutting inaccurately.

Glue

Very colorful boxes and packaging boxes need to be glued. Nowadays, water-based white latex is mostly used for bonding, and pure water-based white latex is used for bonding with high requirements for food. In addition to the separation of water-based and pure water-based paste box password sealing glue Aiming at the long-lasting bonding problem of BOPP and various UV and other difficult-to-stick substrates, the corresponding sealing glue has been developed. All glues need to be sampled before mass use. After bonding, they can be mass produced after passing the quality inspection. .