The small character inkjet printer is the most widely used coding equipment. There is a very precise part inside the printer nozzle. We call it “jetting machine crystal rodâ€. This part is used to generate high frequency oscillation, so that The printer head produces short points. Below we introduce the principle of the crystal vibrating rod: The crystal rod terminology is called ultrasonic fiber break transducer. It is also called crystal oscillator or printer crystal oscillator in the inkjet industry. It is mainly used for ink type touchless inkjet printer nozzle, which breaks successive ink lines through ultrasonic oscillation. Drop line. The operating principle is divided into oscillation mechanism, ink breaking mechanism and the operation of the printer nozzle, which are usually divided into active and passive crystal oscillators. Coding machine crystal 1. Oscillation mechanism: It is usually composed of piezoelectric ceramics and driving rods. It is encouraged by high-frequency electric power. The piezoelectric ceramics are subjected to high-frequency ultrasonic oscillation ( above 60kHz or higher), which is transmitted to the driving rod and has the same frequency and high frequency micro-displacement at the front end. elasticity). 2 , the mechanism of ink break: The ink of the printer is propelled into the spray gun by compressed air. It passes through a nozzle with a diameter of several tens of micrometers - it emits a very fine stream of ink, which flows through the front end of the high-frequency oscillatory crystal rod and is blocked by high-frequency sound waves, and then constitutes equidistant, The fine-grained, equal-frequency ink particle stream is ejected and polarized by a high-voltage electrode to form an electron beam stream declared by an electron gun in a similar picture tube, which is deflected by a high-voltage electrode and then flies out and falls on the surface to be printed to form a lattice. Due to the small power of the crystal oscillator, this technology is generally suitable for small machine coding. 3 , inkjet printer nozzle operation Each printed character includes a dot matrix consisting of lines or columns of ink drops. The printer uses the principle of electronic deflection to maintain the ink droplets in each column at a certain interval, and maintains a certain interval between the columns by causing the printer's appearance to move under the print head. Inside the printhead, the ink is sent to the drop applier under pressure and ejected through a very small nozzle to form a very thin ink line. The drive rod in the drop applier can create an ultrasonic pressure wave in the ink, causing the ink line to split into a bundle of ink droplets immediately after exiting the nozzle. By proper conditioning, the ink droplet splitting process can occur in the charging bath. When the ink droplets are split, the printer adds a voltage to the charging bath and then electrostatically charges each ink droplet. The size of the charge carried by the ink droplets is determined by the voltage of the charging cell. The ink droplets then pass through the electrostatic field between the two high voltage deflection plates. Depending on the size of the electrostatic charge carried by each ink droplet, the direction of flight of each charged droplet will deflect. No electrostatic charge is applied to the ink droplets that do not need to be printed, and these ink droplets are collected in the retraction tube. After understanding the functions of some spare parts of the small character inkjet printer , it is more conducive to the use and protection of the printer, extending the service life of the printer. Company website: http://
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