Gravure printing is one of the four major printing methods, and it is also the production process flow that packaging printing manufacturers need to master. It is inevitable to encounter various printing quality accidents during the production of gravure. Therefore, as a packaging printing and manufacturing manufacturer, solving and preventing problems is one of the capabilities that must be cultivated. So, the next thing to share is some common quality accidents and corresponding solutions in gravure printing.

Offset printing is mainly used for printing of paper-based materials. Sheetfed offset presses can be printed in different formats and are more flexible. At present, the printing format of most web offset presses is fixed. Its applications are limited. With the development of technology, the web offset printing press is also continuously improved. Web offset presses that can change the printing format have now been developed. At the same time, we developed a web offset press for seamless cylinders. The printing cylinder of this web offset printing machine is seamless, and in this respect is already the same as the web gravure printing machine. Offset presses are also constantly improving in printing functions. Corrugated cardboard can be printed by improving and adding some parts. By improving and adding a UV drying device, UV prints can be printed. The above improvements continuously expand the use of offset printing machines in the field of packaging printing. Water-based inks for offset printing will soon enter practical applications.

Carton in addition to protect goods, easy to transport, but also play a beautifying goods, promote the role of commodities. Therefore, the printing quality of the carton is very important. So, carton printing common quality problems and solutions?

What is a spot color and what are four colors: a spot color refers to a specific color. When a spot color is printed, it is not a color synthesized by printing C, M, Y, and K four colors, but a special color. Specific inks to print colors. Spot color inks are pre-mixed by the printing house or produced by the ink house. For each spot color of printed matter, there is a special color plate corresponding to it when printing. Use spot colors to make colors more accurate. Such as: special gold, special silver, etc. Four colors refer to the printing colors in CMYK mode.

In the process of packaging color box printing, quality problems often occur due to inadequate pre-press platemaking. Light materials and man-hours are wasted, and products are scrapped in serious cases, causing serious economic losses. In order to prevent the above problems, the editor of Lijia thinks that the following aspects should be paid attention to.

Offset printing belongs to lithographic printing. Lithographic printing is the most common printing technology in packaging printing. It has outstanding advantages in high-quality and high-efficiency printing, and a wide range of printing materials. Lithography is an indirect printing. The process of restoring graphics to the surface of the printing material is completed by the effect of the printing plate and blanket cylinder.

Hot stamping aluminum is also called "hot stamping", "hot stamping foil" or "hot stamping", etc. According to different printing materials, it can be divided into paper stamping, fabric stamping, leather stamping, and plastic stamping. According to different hot stamping templates and process technologies, there are hot stamping, cold stamping, single layer stamping, multiple stamping, and three-dimensional stamping.

What are the most commonly used crafts of various box manufacturers? You can know that with the needs of various industries, many products will require different grades of boxes. These boxes are ordinary and high-end, and some customers like packaging. Do some simple surface treatment on the box.

The increase pricing of paper packaging