What are the processes of screen printing
Silk screen printing has become an indispensable printing technology in printing technology, and occupies most of the printing market with its unique advantages. Screen printing is just a general term, which can be subdivided according to the nature of ink, layout, substrate type, printing method, and printing equipment. Today, the printing method of the printing market is used to classify and summarize the screen printing process. 1. Flat screen printing. Flat screen printing is a method of printing on a flat substrate with a flat screen printing plate. When printing, the printing plate is fixed and the ink knife moves. 2. Curved screen printing. Curved screen printing is a method of printing on curved surfaces (such as balls, cylinders and cones) with flat screen printing plates. When printing, the ink knife is fixed, the printing plate moves in the horizontal direction, and the substrate moves with the printing plate. 3. Rotary screen printing. Rotary screen printing is a printing method that uses a cylindrical screen printing plate, the cylinder is equipped with a fixed squeegee knife, and the cylinder printing plate and the substrate move synchronously at the same linear speed, also known as rotary screen printing. 4. Indirect screen printing. The first three methods all print the print directly from the plate, but they are limited to a few regular geometric shapes. For flat, round and conical surfaces, etc., for special-shaped objects with complex shapes, edges and concave surfaces, it is necessary to use indirect silk screen printing method to print. The process is often composed of two parts; Indirect silk screen printing = flat silk screen transfer, that is, the screen printing image is not directly printed on the substrate, but first printed on the flat surface, and then transferred to the substrate by a certain method. At the same time, there are also screen printing paper, thermal transfer, screen printing paper, pressure-sensitive transfer, silk screen printing paper, solvent activated transfer, indirect screen printing has become an important area of the screen printing industry. 5. Electrostatic screen printing. Electrostatic screen printing is a method that uses electrostatic attraction to transfer ink from the screen printing plate to the substrate surface. This is a non-contact printing method, is to use conductive wire mesh as a printing plate, connected with the positive pole of the high-voltage power supply, the negative electrode is a metal plate parallel to the printing plate, the substrate is between the two poles, when printing, the toner on the printing plate passes through the mesh with a positive charge, and is attracted by the negative electrode, the cloth falls on the substrate surface, and then the heating and other methods are fixed into a blot, this method is currently mainly used for high-temperature substrates, such as the printing of furnace steel plates. The above is a classification of the screen printing process according to the printing method, do you have a new understanding of screen printing? If you want to know more about printing, please go to the knowledge channel of Biyin Bazaar. If you have the corresponding printing needs, you can have entered the business channel of the Biyin Bazaar, we will recommend the printing shop around you, and you are welcome to enter the Biyin Bazaar for experience.