Electronic printing principle and application

Electronic printing principle and application

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Electronic printing] is a new printing method that can convert text on the surface of any object. The principle is: applying high voltage to the ink on the screen, the toner is transferred to the surface of the substrate through the screen, and the toner is fixed on the substrate by thermosetting.

The stainless steel screen (the mesh in the printed area is in the open state) has an appropriate distance from the electrode plate, and the substrate rotates between the stainless steel screen and the electrode plate. A direct current voltage is applied between the screen and the electrode plate, and the toner is evenly dropped by the toner supply device to fall on the screen. Since the brush roller moves over the screen, when the toner passes through the opening portion of the screen, an electron charge is applied, and due to the action of static electricity, the toner is sucked toward the electrode plate and falls on the substrate, thereby forming the same as the screen. Graphics. The pattern on the substrate is preheated or solvent vapor is applied to dissolve the toner adhering to the substrate.

Electronic printing is a new screen printing technology that is non-contact between the screen and the substrate. The characteristics of the print are:

1. Because the screen is printed non-contact with the substrate, it can be printed on the surface of any fragile object.

2. Because the screen is not in contact with the substrate, it can be printed on the surface of uneven objects such as tiles and corrugated paper;

3. Because the screen is not in contact with the substrate, it can be printed on the surface of high temperature objects, such as hot rolled steel sheets and glass products in the production process;

4. Can be used for very wide surface printing of materials;

5. The toner can be fixed on the surface of the object instantaneously without the need for a drying device;

6. Multi-color printing is possible.

The necessary conditions for electronic printing:

1. DC voltage power supply;

2. Printing device;

3, toner.