What is a bag printing device? The bag printing device follows the screen printing technology and belongs to stencil printing. It is called the four printing methods together with lithography, embossing and gravure printing. The stencil printing includes a stencil, a stencil, a spray, and a screen printing. The principle of stencil printing is that, at the time of printing, the ink is transferred to the substrate through the aperture of the stencil by a certain pressure to form an image or a character.
When the packaging printing device is printed, the squeezing of the squeegee causes the ink to be transferred to the substrate through the mesh of the graphic portion to form the same graphic as the original. The screen printing equipment is simple, easy to operate, simple in printing and plate making, low in cost, and strong in adaptability. Screen printing has a wide range of common prints: color oil paintings, posters, business cards, binding covers, merchandise signs, and printing and dyeing textiles.
The packaging printing equipment has the following characteristics:
1. If you don't have a peritoneum, you can use a printing machine faster;
2. If the film is cut, use a special printing machine for the bag or screen printing.
Screen printing, the screen is relatively simple to open, but the printing surface is required to be relatively flat, the process operation is simple, the cost is relatively low, but the adhesion to the ink is relatively high.
3, for the curved surface, or irregular surface can be used for thermal transfer, good adhesion, not easy to fade, but requires transfer equipment.
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