Abstract: Screen printing machine, referred to as screen printing machine, is a printing machine that is simple, easy to operate, easy to print and plate-making, low-cost, and highly adaptable. It is widely used in packaging printing, advertising printing, and circuit printing. Printing, handicraft printing and other fields. There are many types of screen printing machines. According to the printing method, they can be divided into flat screen printing machines, curved screen printing machines, rotary screen printing machines, and electrostatic screen printing machines. According to the usage method, they can be divided into manual screen printing machines. machine, semi-automatic screen printing machine, automatic screen printing machine, screen printing linkage machine. Let’s take a look at the types of screen printing machines. 1. What equipment is a screen printing machine?
A screen printing machine, the full name is a screen printing machine, is a type of stencil printing machine. It is a machine that uses a screen printing plate to print. Its printing plate is a A crisscross wire mesh with distinct warp and weft woven from silk and other materials. In addition to silk, the material for making the wire mesh can also be nylon wire, copper wire, steel wire or stainless steel wire.
2. What does the screen printing machine do?
The screen printing machine has many uses and is mainly used in the following aspects:
1. Packaging printing
The main service target of the screen printing machine in the packaging industry is the screen printing industry, such as printing high-end packaging boxes, packaging bottles, cigarette packs, etc.; in addition, with the continuous development of today's computer technology, various software In particular, the production of CD discs for cultural entertainment, television, movies and various publications is increasing day by day. 92% of the company logo, images, and text on this CD are printed using screen printing.
2. Advertising printing
In commercial advertising, screen printing will have more markets, especially electrical appliance companies, tobacco and alcohol companies, in order to promote their own image, they attach great importance to the role of advertising. . The timing and quality of advertising determines a company's share of the market. Therefore, various electrical appliance advertisements, outdoor advertisements, and commercial advertisements provide a broad space for screen printing.
3. Circuit printing
In the field of electronics industry, screen printing accounts for 80%. For example: to produce a TV, screen printing is used in many places. The development of large flat display devices such as display screens (PALC) is increasingly inseparable from screen printing.
4. Handicraft printing
With the development of western my country and the process of rural urbanization, the increase in ceramic tile production lines is strong. In addition, my country is a big ceramic country. In addition to meeting the large domestic demand, it also exports to more than 150 countries and regions. Screen printing of ceramic decals plays a decisive role in China's screen printing industry.
3. What types of screen printing machines are there
There are many types of screen printing machines, which are mainly classified according to two classification methods:
1 , divided by printing method
(1) Flat screen printing machine: Use a flat screen plate to print on flat substrates. Generally, the squeegee presses the printing plate to move horizontally, and the printing plate is replaced by lifting and lowering. substrate.
(2) Curved screen printing machine: Use a flat screen plate to print on a round substrate. Generally, the squeegee is fixed, the printing plate moves horizontally, and the substrate rotates with the linear speed of the printing plate. .
(3) Rotary screen printing machine: Use a cylindrical screen plate with a wedge-shaped squeegee or squeegee roller installed inside the cylinder. The printing plate rotates at the same linear speed as the substrate moves.
(4) Electrostatic screen printing machine: Use a stainless steel screen plate with good conductivity. The static electricity between the positive and negative electrode plates drives the ink through the through hole of the printing plate and attaches to the substrate. The surface is printed without pressure. The shape of the machine varies depending on the substrate, but it generally includes a substrate input part, a printing part, an ink fixing and drying part, and a substrate collection part. The printing part consists of a screen printing plate, an electrode plate, and a high-voltage generating device.
2. According to the usage method
(1) Manual screen printing machine: generally consists of a hinge support, a printing platform and a screen plate, and all movements are operated manually.
(2) Semi-automatic screen printing machine: A screen printing machine in which various actions during printing are partially automated and the rest are still manual. It is generally called a 1/4 automatic screen printing machine that has automatic ink scraping, ink leveling, and screen printing frame. It is a 1/2 automatic screen printing machine that has automatic ink scraping, ink leveling, screen printing frame, and substrate adsorption. machine. In addition, substrate feeding can also be automated for the 3/4 automatic screen printing machine.
(3) Automatic screen printing machine: Automatic print lifting, conveying, drying and collection stacking mechanisms are added to the front and rear of the 3/4 automatic screen printing machine. The printing speed is faster than that of semi-automatic machines. Significantly improved, reaching more than 1,500 prints/hour.
(4) Screen printing linkage machine: It is composed of several sets of printing, drying devices and hot stamping, creasing, film coating, die-cutting and other devices connected in series. The substrate is continuously fed in a roll type, with automatic unwinding, automatic rewinding and positioning control mechanisms to ensure stable speed, accurate overprinting and consistent tension. The whole machine can be controlled by computer. It is a screen printing machine with high efficiency and full functions for printing multi-color prints.