at present, the domestic large ceramic tile production is the flat screen printing and rotary screen printing of these twoprocess, but these two kinds of printing process requires a lot of preparation time and a lot of manual input, although thisindustrialPrinting technology development has very mature, but the printing screen close to the method of ceramic tile, but on the yield and quality of printing ceramic tile production an important impact.

Rapidly from the perspectives of the market changes of observing analysis, also can see due to increased global competition, and the rising cost pressure, make the traditional craft of ceramic tile production can't keep up with the development and changes of the situation.Despite the screen printing industry compared with the manual printing operation has many advantages, but the bulk of the mechanical reproduction method still has many defects.Therefore, ceramics quickly recognize the benefits of using non-contact printing technology, especially the piezoelectric on-demandInkjet technologyWill bring great benefits to the industry.

New technology of ceramic tile printing: inkjet technology to improve printing quality

The ink jet technology can increase the speed of printing process, reduce cost, maintain and improve the quality of ceramic printing product, support product versatility and increase production.In short, inkjet technology can meet the different market demands, paving the way for new opportunities and new applications.Although the current digital jet printing technology also can not completely replace the traditional production process, but the practice shows that using digital jet printing technology ceramic tile printing can get a lot of benefits.

At present all kinds of markets are to shorten the ceramic tile production process is put forward higher request, ceramic tile manufacturers have to seek to provide high printing image quality, high production efficiency and has the versatility of printing printing equipment.Compared with other transfer printing system, to meet these requirements at the same time digital inkjet technology has more advantages.These advantages include simplify the operation, improve the image accuracy, prolong the working life and ink can be applied more widely.

Compared with the silk screen printing ink,Inkjet printingtheuseThe ink has lower viscosity, this makes the how to control the composition of high solid ink (that is, the higher the pigment content), while maintaining uninterrupted contact inkjet printing, become a decisive factor of success, and is also a challenge for inkjet solutions provider.For nearly 30 years, piezoelectric inkjet technology, for the printing system manufacturers and end users are of great interest, and specially designed to meet the industrialized production of strict requirements, mainly in the design at the same time take into account the need to withstand harsh environmental conditions.

Among them, the print head with its high frequency and sustained inkjet and the ability to apply a variety of ink, and at the same time to meet the advantages of high precision and high speed, widely accepted by the merchants and user.Droplet placement accuracy is based, to obtain high quality images droplet placement accuracy low leads to image blur and flawed.

Excellent characteristics of the print head from the company's patent design, the design gives each nozzle channel a piezoelectric excitation source, the piezoelectric excitation source is physically segregated and liquid channels.The piezoelectric excitation source and the inkjet ink used in the design method of isolated from each other, make the print head formula can be applied to a variety of ink, including conductive ink, and made all the print head nozzle can be individually addressed incentives, namely can motivate spray droplets at the same time, in order to channel between inner low interference characteristics, let the spray droplet high frequency, linear, accurately in a predetermined position.Work with full load effect of piezoelectric inkjet print head for design basis spray printing equipment has the inherent characteristics of high-speed have the ability to support the higher production demand.

While maintaining the inkjet linearity, this ability to high frequency (over 40 kh) constant encouragement inkjet ability give machine designers have more freedom, allowing the nozzle and ceramic tile or other substrates with a wide gap between the distance.In this case, the clearance is the distance between the print head nozzle to the surface of substrates.The increase of the gap distance provides more flexibility to adapt to different base material grade and surface roughness.Also reduces the gap distance in the process of printing the print head accidentally come into contact with the substrate surface and the risk of damage.With two different print head in actual clearance distance of the sameInkjet printingDo more, at the same work under the high speed printing speeduseHigh liquid drop speed and better inkjet print head device to obtain obvious linear work better picture quality.

piezoelectricInkjet technologyIs a kind of matureindustrialInkjet technology, has been a large number of applications in the product manufacture billboard, this is because using the technology of equipment using sedimentary degrees of tiny conductive ink drops a fine image array.A key is to discuss the application of inkjet droplet size, that is, from the print head injection of tiny drops of physical volume.Considering to meet the various requirements, such as to be all sorts of color and coating is tonal, and need in a variety of different types of base material surface spray print, ceramic tile production faces a series of unique challenges.

Variable drops in response to the challenges, the development of technology, is a kind of advanced inkjet technology, it can make a print head or the print head array thousands of nozzle for each of the nozzle jet 2 to 150 litres (pl) of variable size drops.

Because of using this technology, can be as simple programming control of a print head or any nozzle, nozzle on the module in each piezoelectric excitation cycle injection droplet of the same size.The technology more perfectly interprets the grayscale print function.Based on programmable control of a specific channel, working in the same scene, incentive jet drops of different sizes, gray spray print function can operate printing system under the highest production speed spurts India require more rich color level or higher resolution images.

As you can imagine, in having multiple production line adopts the variable of the print head drops technology brings huge benefits, whether alignment or phalanx pattern, or mixed arrangement in two ways, can realize the inkjet technology in ceramic printing has the extremely huge development potential.

In order to maintain maximum printing system uptime, several breakthroughThe new technologyWorth mentioning, such as the unique design of the nozzle plate, special apply form and the wet surface coating, enhanced the print head circuit, nozzle continuous ink recycle, and customized to the special injection liquid waveform, all of these promote and played a print head at full capacity, at the same time reduce the regular maintenance cost.These innovative technology can shorten the initial startup and non-stop dynamic maintenance time, reduce the consumption of liquid related, especially in the use of fast dry ink or paint formula of ink, as in the industrial ceramic tile decorated a high-speed spray printing ink used in the system.

For ceramic tile production, inkjet print head durability is very important, also is very high, because it will use glass printing ink and other paint formula, in order to obtain bright and with strong staining in the design of products.

As is known to all, tatelman Tex printing head has the characteristics of high capacity cycle ratio and long service life, therefore, the print head product spray also supports a variety of printing ink and other types of liquid, which makesuseThe print head equipment can meet the requirements of a variety of specific application, the application need not only fine image and has a high production capacity, but also do a reliable and economic operation.

At present, from hotThe new technologyTo adopt new technology, the ceramic productionindustrialThoroughly to adopt ink-jet printing technology and equipment, is just a a matter of time.

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