by Filippo Minelli
Immediately after printing the “universal” printing of new technologies – inkjet printing – inkjet pri
Ink jet Print After following the screen printing is one more “universal” printing technological innovation, it is with the personal computer management engineering and the consistent advancement of packaging technologies created swiftly, and now several modern factories and packing line can be instantly applied. Inkjet printing has positive aspects above other printing techniques, this kind of as adaptability, substantial intelligence, very low expense and no pollution. The operator can effortlessly and quickly in the area (sports activities) the date printed on the packaging, specifications, shelf daily life, quantity, bar code, etc.. After drying inkjet printing merchandise speedily into the subsequent procedure instantly. Various from the classic package printing, inkjet printing no longer want a committed pre-press plate and supporting processes.
Advanced inkjet printing techniques, the operator basically pressing the keyboard during operation can change the font require to print, symbols and different graphics.
It not only can be utilised to print text and numbers, bar codes can also be extended to obtain selection and consumer (customer) indicators printing safety capabilities. Inkjet printing systems have gone far beyond the scope of conventional printing, which in addition to black and white and color printing with characteristics, it also has information processing and info storage capabilities. It is by select (set up) memory storage gadget can shop hundreds of independent coding (digital and character sets, etc.), and ten thousand characters. It is connected with the computer can perform records and reports to obtain the collation and printing. When it is linked in series with the host, but also on the packaging (or other printing things on) print out the excess weight of record coming from a variety of data satellite communications, mapping and other atmospheric cloud. Inkjet printing has been extensively employed in the scene of numerous shapes and surface printing of packaging materials, regardless of whether there is a hole or no hole, flat or curved surface of the fabric or shape with bones, this kind of as Plastic , Cloth, paper, fur, ceramics, glass or metal. Rate applies to all sorts of printing, whether uniform, variable or intermittent operation, and most suitable for packing non-halt continuous production line operation. In the continuous inkjet printing production line quantity, date, printing or adhesive labels than other much more economical and productive. Inkjet printing principle, regardless of whether for packaging inkjet printing or inkjet printing for the office places, the simple principle is the same. Now in workplace inkjet printer, for instance, introduce the principle of inkjet printing.
Now on the market place There are two major sorts of inkjet printers: piezoelectric (such as EPSON merchandise) and bubble-form (this kind of as HP, Canon’s items). Piezoelectric ink jet printer nozzle at one particular finish position, the other finish is a piezoelectric material (largely lead – Al – Ti sort piezoelectric crystal), Ink The role of deformation in the piezoelectric crystal underneath substantial pressure out of the nozzle is, immediately after the ink droplet ejected up into the ink cartridge in a timely manner. Bubble jet printers with thermal resistance near the nozzle, the digital signal applied present pulse transient heat (heating rate up a hundred ° C / s, temperatures up to 280 ° C), of the ink for rapid regional heating, so that about a small volume of ink to form a bubble boiling. In the bubble pressure drops to be ejected beneath the action of the nozzle, although air bubbles disappear, and take away the heat. Ink from the storage area quickly fill the gap by capillary action. The advancement of inkjet printing inkjet ink inkjet ink principle of the determination to have some specific properties. Very first, the ink really should have a specified viscosity, surface stress, pH, and other physical and chemical properties. Basic ink surface tension (three. ~ five.) × 10-2N / m, viscosity of one ~ 3.0mPa? S, pH worth of 8 to 9 is more suitable. 2nd, the ink should be stored prolonged-term stability, excellent efficiency of continuous and intermittent printing, good color, brightness, purity and colour saturation as effectively as water, light, wind and chemical properties. Furthermore, the ink composition can not react chemically with the nozzle, so as not to lead to nozzle clogging ink to clear printing, quick drying, but not in the injection method, or do not use extreme evaporation ink to print out the pictures and text ought to be clean, non-proliferation, lack of ink, and of disparities.
To meet the over specifications on the efficiency of inkjet ink, inkjet ink composition generally consists of the following elements: Solvent , Coloring agents, surfactants, moisturizers, pH worth regulator, driers, metal ion chelating agent, preservatives and other Additive .
1970 many years, according to different rules of ink-jet technologies, a range of inkjet printers have been produced, and started as a commodity into the industry, inkjet printers as non-hitting type in the magnificent new, substantial-speed, very low noise output gadget, the advancement of very rapidly.
A result, ink-jet ink has been further designed, specifically for liquid-kind color inkjet printer ink. As early as 1974, a German company has launched a color ink. Following that, the main firms to speed up the investigation of ink, such as the United States, IBM, Japan’s Fuji and so do a lot of operate. Specifically in 1982, the Japanese firm Canon Bubble Jet printers come out after the ink R & D progress a lot more rapidly. Canon launched the very first of a bubble-jet printer for the ink. This ink has very good storage stability, great functionality of intermittent and continuous printing. Although main businesses have started out to be enhanced ink formulations. For instance, the company designed a EPSON ink, ink and paper when such make contact with, can be added to the surface of the packing paper media remedy, an exposed pulp, ink droplets are quickly absorbed, so dry and fast and can maintain each blot a substantial degree of circularity. The difficulties faced by domestic inkjet printing inkjet printer with its great price tag, has been accepted by much more and much more end users. Nevertheless, in the nation, additional improvement of inkjet printing technological innovation is still subject to a number of variables. According to the info and the author of the survey on the domestic market so far, China has not really created a variety of performance are far more stable ink-jet ink, so the present domestic marketplace, inkjet ink, colour ink-jet ink in specific almost all imports, these import prices are extremely large ink-jet ink, seriously hinder our inkjet printing industry and connected industries. Consequently, improving the functionality of ink, specifically produced color is great, safety, efficiency and stability of the ink has turn into the most pressing difficulties.
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