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The difference between high resolution and small character inkjet printers

by:Leadtech Coding     2021-12-04

High resolution inkjet printers are also known as high resolution inkjet printers, and their printing resolution exceeds 200DPI. Small character cij printers are common continuous Type inkjet printer is also a non-contact inkjet cij printer. The difference between the two is as follows:

The working principle is different

On the integrated nozzle of the piezoelectric high-resolution inkjet printer, 128 or more piezoelectric crystals respectively control multiple nozzle holes on the nozzle plate, processed by the CPU, and then output a series of The electrical signal is given to each piezoelectric crystal, and the piezoelectric crystal deforms, 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 characters, numbers or graphics.

The thermal foaming high-resolution inkjet printer nozzle adopts semiconductor thin film technology, and uses laser process and high-precision deep layer technology to form multiple nozzle holes with a diameter of about 50μm. These nozzle holes Arranged in high density, the inkjet is energized and heated by the thin-film resistor, so that the ink produces countless tiny bubbles. The bubbles gather into large bubbles at a very fast speed and expand, forcing ink droplets to eject from the nozzle; when the resistor has no voltage, it stops heating , No ink droplets are ejected.

The working principle of the small character inkjet printer is that under pressure, the ink enters the nozzle Usually 60 micron) nozzles are ejected to form fixed intervals. Through CPU processing and phase tracking, some ink dots passing through the charging electrode are charged with different electric cores, and they are different under the high-voltage magnetic field of several thousand volts. Offset, fly out the nozzle and land on the moving product surface to form a dot matrix, thereby forming text, numbers or graphics.

Different application fields

Small character cij printers are widely used in food, beverages, daily necessities, medicine, building materials, Pipe industry, machinery, electronics, wire, cable, packaging and other industries. The scope of use includes the printing of packaging production batches, the printing of cosmetic production dates, the printing of cards, the printing of carton characters, the printing of pattern marks, and the printing of some QR codes and barcodes.

High resolution inkjet printers are widely used in food, medicine, daily chemical, label printing, card printing, packaging and printing, medical treatment, electronics, hardware and other industries. The resolution of the inkjet printer is higher than that of small characters, and it is suitable for applications in the fields of one object, one code, anti-counterfeiting and traceability, and the recognition rate can reach 100%.

Some other differences

The distance between the nozzle of the high-resolution inkjet printer and the surface of the printed object is usually 3~10mm, If you are printing on a concave surface, the printing distance may be too far to cause the printing to be unclear, while the printing distance of small character inkjet printers can reach 5-6cm; high-resolution inkjet printers generally have no line limit, as long as the content The height does not exceed the printing height, and the small character inkjet printer usually can only print 3 lines at most; the high resolution speed is usually 0-100m/min, and the latter can reach 200m/min at the fastest; high resolution The inkjet printer is more worry-free in maintenance. It only needs to clean the nozzles regularly, while the small-character inkjet printer needs to be turned on regularly; in addition, the ink of the small-character inkjet printer needs to be added with thinner and is volatile.

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