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What is the difference between UV inkjet printer and thermal transfer inkjet printer

by:Leadtech Coding     2022-08-07

Many customers often confuse UV cij printers with thermal transfer cij printers. In fact, I really don’t blame customers, because their working principles and printing effects are really similar. Today, technology will briefly analyze the relationship between them. What is the difference.

1. Working principle

The UV inkjet printer is controlled by 128 or more piezoelectric crystals to control the multiple nozzle holes on the nozzle plate. The piezoelectric type is integrated on the nozzle. After processing by the CPU, a series of electrical signals are output to each Piezoelectric crystals, piezoelectric crystals are deformed, so that the ink is ejected from the nozzle and falls on the surface of the moving object to form a dot matrix, thereby forming text, numbers or graphics.

The nozzle of thermal foaming cij printer adopts semiconductor film technology, and uses laser process and high-precision deep technology to form a plurality of nozzle holes with a diameter of about 50μm. These nozzle holes are arranged in a high density. Countless tiny bubbles are generated, and the bubbles gather into large bubbles at a very fast speed and expand, forcing the ink droplets to be ejected from the nozzle; when the resistor has no voltage, the heating stops and no ink droplets are ejected.

2. Different ink

The UV cij printer uses UV ink, which needs to be irradiated by a UV curing lamp to dry; the thermal foaming inkjet printer has water-based ink and solvent-based ink, which can be dried by printing on the surface of the product for 0.1 seconds.

3. Different printing effects

The UV inkjet printer prints on the surface of the non-permeable material, which will form a raised and uniform color block. When viewed from the side, the printed content has a reflective convex effect; the thermal foaming cij printer is a kind of ordinary printing effect. , Sometimes the inkjet will be uneven, and some ink holes are prone to blockage and no ink.

The above three points are the obvious differences between the two. If you want to know more details, please call the technology.


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