The high-speed thermal inkjet system is a relatively new digital printing technology that has only entered the Chinese market in recent years. It has been rapidly promoted and used in a relatively short period of time, which shows its vigorous vitality. Self-adhesive labels are also the fastest growing areas of business in the printing industry. Therefore, it is of practical significance to discuss the application of thermal inkjet system in the field of stickers.
Types, uses and characteristics of inkjet equipment
Inkjet printing equipment is divided into four categories: printers, inkjet printers, inkjet printing systems, digital printing presses.
printer
There are many types of printers. In addition to inkjet printers and inkjet printers, there are printing devices such as laser printers, thermal printers, and thermal transfer printers that use non-inkjet printing. Its products are numerous, including Epson, HP, Canon and other brands, mainly used for office and commercial printing. The printer was used in the printing industry in the mid-1990s. After the anti-counterfeiting industry introduced the telephone code anti-counterfeiting mark, it was used to print the digital anti-counterfeiting mark. The original phone code anti-counterfeit identification number was printed by a printer. However, due to the high price of the printer, small companies were unable to purchase and print on flat paper. Most companies used printers to complete the printing of the identification number. Mainly made with HP 5000 and inkjet printer.
Inkjet printer
The technology of the inkjet printer originated in the United Kingdom, the United States and Germany in the last century. Its core technology is complex and high in technology. Ink printers entered China in the 1980s, with France's Imaje and Britain's Domino having the highest market share in China. The history of manufacturing inkjet printers in China is relatively short. In recent years, some domestic products have been launched one after another. At present, the inkjet printer has been widely used in beverage, wine, electrical appliances, building materials and other industries, for printing real-time personalized information such as production date, batch number text and simple images. In the printing industry, inkjet printers are mainly used for anti-counterfeit labels and bills with personalized information. One or more inkjet printers can form a production line to quickly and accurately print one set or multiple sets of continuous digital codes simultaneously. . It should be pointed out here that the characters and numbers printed by the printer must be in the same direction as the printing paper, that is, the characters, numbers and the direction of the paper are 180 ° parallel. In this direction, 1 row to 6 rows can be printed. Numbers, letters, or 1 to 3 rows of Chinese characters, if this limit is exceeded, the printer cannot be completed. As an industrialized production equipment, the inkjet printer is currently popular.
Printing system
The characteristics of the high-speed printing system are that it can be connected with high-speed printing equipment to print online and static databases and icons (also offline printing). The nozzle part of the printing system is a horizontal combination of multiple nozzles, which can not only complete the horizontal It can also print longitudinally. For example, the length of a set of personalized numbers or characters is 50mm, which contains 25 characters, and the character arrangement direction and the paper feeding direction are 90 °. The printer cannot complete this format of printing. The printing system can accomplish this task by combining the nozzles. At the same time, due to the high accuracy (that is, resolution) of the printing system, high-speed and stable printing of one-dimensional and two-dimensional codes can be completed. The inkjet printing system has been in China for a relatively short period of time and is mainly used in the printing industry. Representative brands include Sai Angel, Jieming and Chuangshi.
Digital printing machine
We already know more about digital printing machines. When it comes to personalized printing, digital printing machines must be mentioned, and the representative products include HP, INDIGO and other brands. The application objects are quick printing and personalized printing, such as the personalized stamp printing of China National Philatelic Corporation, bar code printing in the field of anti-counterfeiting Zhaoxin, Oriental International, Guangdong Zhengqi, etc.
Development space of printing system
Among the above four models, the printer and the printing system are closely related to the printer. Because the printer is restricted by the nozzle and the paper direction (the initial design of the printer is to print the production date and Serial number, even after the production of telephone code labels, after a period of running in, only a few printers combined to print digital), this machine we can not require it to complete the more complex printing requirements, so we must meet the market The new demand is only to transform and update labor tools, and the printing system is created under this requirement.
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The market space of the printing system is mainly in the following three aspects:
Self-adhesive barcode labels
With the rapid development and wide application of bar code technology, people's requirements for the quality, speed, and efficiency of bar code printing are also increasing. Especially in logistics systems, ERP systems, and invoicing systems, self-adhesive bar code labels have become indispensable. Less automated management of information carriers has made barcode printing break through small workshop-style production and shift to large-scale production.
At present, the personalized barcode label adopts two processes, one is directly completed by the digital printing machine, and the other is to complete the printing of the personalized part by the laser printer or the barcode printer after the common part of the printing machine is printed. The former has high cost, while the latter has low production efficiency. Taking medicine as an example, the general annual consumption is tens of millions or even hundreds of millions, no matter which of the two methods above is used, there are contradictions. If the personalized barcode label is printed by the label machine, and the common part of the barcode is printed by the printing system of the printing machine, it is a way of taking account of both. Its quality and speed can meet the requirements of customers. Its comprehensive The best benefit.
Bill business
The printing system is used for layout, the direction is not limited, and it has the characteristics of high resolution. It can print the information such as numbers, barcodes, and text on the invoice. It avoids the shortcomings of adopting the printer to only typeset in the same direction; at the same time, it solves the problem of low printing accuracy of the printer (mainly manifested in the fact that the numbers are sometimes not clear after the coating is scratched).
Anti-counterfeiting requirements
With the rapid development of the commodity economy, commodity counterfeiting activities are increasingly rampant. In recent years, China ’s average annual output value of counterfeit and shoddy products is about 130 billion yuan. As a result, the country has lost more than 25 billion yuan in tax revenue. Relevant departments have counted the questionnaire data of 283 famous enterprises. These enterprises have 16 categories of more than 650 kinds of famous products that have been counterfeited, and fake enterprises have spread in 490 counties and cities. It is the enterprise's requirement to take effective technical measures to prevent counterfeit products. Anti-counterfeit labels are a huge market. According to relevant statistics, the current annual consumption of logos is about 60 billion pieces. By 2010, the sales of anti-counterfeit products are about 15 billion yuan.
Products made with the anti-counterfeiting function of the printing system have the characteristics of high technical content and difficulty in counterfeiting. For example, use infrared ink, magnetic ink or spot color ink to print personalized information (currently only Jieming inkjet equipment can provide this service).
It can be seen from the market demand that the printing system has huge room for future development.
Application of high-speed jet printing system in sticker printing equipment
The inkjet technology currently used for industrial production in the printing industry is roughly divided into two categories: piezoelectric technology and thermal inkjet technology. Sai Angel printing system uses piezoelectric technology, Jieming printing system uses thermal inkjet technology. Piezoelectric technology is to energize piezoelectric crystals to make them deform and deform at high frequencies to squeeze ink out of nozzles. Thermal spray technology uses micro resistors to quickly heat the ink in the nozzle, evaporate to form bubbles, and eject a small portion of the ink out of the nozzle for high-frequency printing.
In the printing process, the personalized data is processed by the system processor and then transmitted to the system's nozzle print at high speed, so it can achieve high-quality personalized graphic printing, including numbers, letters, Chinese characters, one-dimensional Bar codes, QR codes, etc. Now give a brief introduction to the characteristics of the printing system:
High-quality printing
The printing system is different from general inkjet printers, and its printing accuracy is up to 600 × 600DPI, and its inkjet effect is even comparable to laser printers. It can print various numbers, barcodes, two-dimensional codes, invisible codes, images and other variable data. The inkjet accuracy is determined by the lateral accuracy (number of nozzles) and the longitudinal accuracy (number of ink flows), which is a decisive factor in relation to the quality of inkjet printing. This is not just because of the high-precision print appearance. Generally, the recognition bar code and two-dimensional code are determined by their lateral accuracy. The recognition bar code's lateral accuracy should be above 240DPI, while the recognition bar code's lateral accuracy should be above 300DPI.
Of course, we should not blindly emphasize high precision, as long as the quality allows, we must also pursue efficiency. You can freely choose 150DPI or 300DPI to save consumables and improve efficiency.
Among all the products of the Sai Angel brand, the model 5300 has the highest accuracy of 300 × 600 DPI, and the highest horizontal accuracy is 300 DPI, which can achieve the recognition accuracy of the printed barcode and QR code.
The jet printing system of Jieming brand can flexibly switch settings within the accuracy range of 150DPI, 300DPI, and 600DPI, according to the printed product
Selection of different requirements for printing quality; the printing system can print variable data such as numbers, barcodes, QR codes, invisible codes, images, etc., and can be widely used in various invoices, vouchers, lotteries, personalized advertiser letters, packaging , Self-adhesive labels and other printing fields. The highest accuracy of the Genesis brand is 220 × 660DPI, and its vertical accuracy is also very high.
Flexible nozzle combination
Compared with the printer, the printing system is more convenient in the combination of print heads. Several spray heads can be combined together to complete a variety of more complex graphic printing.
According to different models, Sai Angel has different precision and different width nozzles to choose from. Multiple nozzles can be combined, generally one unit per inch.
The print width of the Jieming nozzle is 8 inches, which can be upgraded to 16 inches. There are also 2 inch, 4 inch or 6 inch nozzles to choose from. Enterprises can choose different nozzle configurations according to their own production requirements. Every half inch is a combined unit. Each nozzle of Chuangshi is 2.5 inches. At present, a controller can achieve a maximum of 4 nozzle combinations, that is, a group of 10 inches.
Easy to operate
The game angel operating system uses OS2 English version.
Jieming and Genesis use WINDOWS Chinese operating system.
Production efficiency and daily maintenance
The general printing system can reach 60 meters / minute to 100 meters / minute, among which the race angel and Jieming can reach about 100 meters / minute; the creation can reach 60 meters / minute to 80 meters / minute. The inkjet printing system using thermal spray technology can eject the air particles present in the nozzle, reducing the problems of ink blocking and ink leakage, thereby improving the production efficiency and production efficiency of the production enterprise.
Since the thermal spray printing technology does not need to clean the nozzle and there are no wearing parts, the maintenance cost is relatively low.
Ink supplies
Sai Angel and Jie Ming use water-based ink, while Genesis uses solvent-based ink.
In terms of ink color replacement, the piezoelectric inkjet printing system needs to be re-cleaned to replace the ink. The thermal inkjet printing system directly replaces the ink cartridge without cleaning.
It is worth mentioning that Jieming's thermal printing system can use colorless fluorescent ink, magnetic anti-counterfeiting ink, infrared anti-counterfeiting ink, and spot color anti-counterfeiting ink to complete anti-counterfeiting printing of high-precision bar codes and two-dimensional codes. Various inspection instruments and machine readable. This is a breakthrough in the field of high-speed printing. Allow users to have more anti-counterfeiting solutions to choose.
Based on the above characteristics of the printing system, the production speed and quality of the self-adhesive labels can be significantly improved, the application scope of the self-adhesive labels can be expanded, and the anti-counterfeiting performance of the self-adhesive labels can be greatly enhanced.
Finally, it should be noted that no one equipment can be used in the world. Each equipment is developed and manufactured under a certain historical period and certain technical conditions to adapt to specific product objects. It is impossible to deny the inkjet printer yesterday because of the introduction of the inkjet printing system today, nor the inkjet printing system and inkjet printer because of the digital printing machine.
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