Corrugated product printing inkjet printing new stage
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The application of inkjet printing technology in corrugated products is mainly concentrated in three major areas: corrugated boxes, corrugated boxes, corrugated display racks, especially short-term orders in corrugated boxes and corrugated boxes (such as small orders, small orders for small brands). In terms of time-sensitive holiday packaging and limited-package orders, as well as short-term orders for corrugated display stands with timeliness of promotion and promotion, the high efficiency and low cost advantages of inkjet printing are fully demonstrated. It also makes traditional printing methods have to go down the drain. In this paper, the author analyzes the advantages of inkjet printing in the production of corrugated products from the market demand, and introduces the more advanced inkjet printing equipment at home and abroad, hoping to bring inspiration to the industry.
Advantages of inkjet printing for corrugated products
Inkjet printing uses a non-contact, non-plate imaging method. In the inkjet printer, a dot matrix structure is composed of a plurality of nozzles. By receiving the layout information of the computer, the ink is ejected from the extremely fine nozzle, and the direction of the flight is controlled by the electric field, and finally the image and the image are formed on the substrate. As shown in Figure 1. It is a replication technique that ultimately produces a print by controlling the deposition of fine droplets to produce the desired color and density on the substrate.
Corrugated products are produced with inkjet printing and have unparalleled advantages.
(1) Inkjet printing does not require plate making, and the layout content can be flexibly modified at any time before printing, with high production efficiency and short production cycle.
(2) Inkjet printing has no limit on the amount of printing, and can be truly printed on a single sheet, which is especially suitable for the production of short-order orders.
(3) Inkjet printing enables large format printing and multicolor printing.
(4) The printing effect is good, which is comparable to offset printing and flexo printing.
(5) Inkjet printing is a non-contact printing method. It is suitable for substrates of various shapes and materials. It is especially suitable for corrugated boxes with poor surface flatness. At the same time, it can achieve near-zero pressure printing. To a certain extent, the integrity of the corrugated structure is protected.
(6) Water-based inks and UV inks commonly used in inkjet printing are environmentally friendly and environmentally friendly.
Latest developments in corrugated inkjet printing equipment
At present, major brands of digital press manufacturers have introduced inkjet presses for corrugated product printing, from corrugated cardboard inkjet printers for direct printing to corrugated inkjet printers for pre-printing.
1. HP inkjet printer
Since the full acquisition of Scitex Vision in 2005, Hewlett-Packard has combined the technological advantages of Sai Angel and Hewlett-Packard, based on the CORjet wide corrugated cardboard inkjet printer (sponsored by Sai Angel in 2003). Continuously introduce new models. For example, HP Scitex FB7600 and HP Scitex 11000 (HP Scitex FB10000 replacement models) industrial presses, HP Scitex 15500 corrugated presses, these inkjet presses can be up to 2.5cm thick, 1.6m × 3.2m corrugated Cardboard printing, the highest printing speeds of 500m2 / h, 655m2 / h and 600m2 / h, with the optional multi-page loader kit, can simultaneously load and print up to 4 pages, they are equipped with 312 The print head adopts UV-curable ink to realize six-color printing of cyan, magenta, yellow, black, light blue and light magenta. It is worth mentioning that the HP Scitex 15500 corrugated press is equipped with the HP Scitex Corrugated Grip media handling system to keep the media flat and overcome the printing challenges on warped corrugated cardboard for high quality, efficient printing.
In terms of pre-printing, HP PageWide web press T400S and HP PageWide web press T1100S can produce high-quality printing on corrugated paper, especially the 110inch (2.8m) wide web press T1100S launched in early 2016. It has a maximum printing speed of 183m/min and is compatible with four-color (CMYK) HP water-based inks, adhesives and base coaters. It can be used on standard uncoated and coated paper surfaces with a basis weight of 80-400g/m2. Achieving print quality comparable to offset printing, not only for small batch production, but also for mass production.
2. Agfa inkjet printer
Agfa's Jeti series of inkjet printers are high-speed, high-quality production models, of which Jeti Titan S and Jeti Titan HS are better performance models, they are all platform, 6-color UV inkjet printing The Jeti Titan S is equipped with a single row of nozzles, while the Jeti Titan HS is equipped with dual rows of nozzles, all of which are available with an FTR (flat to reel) roll-to-roll kit for roll material printing up to a maximum specification of 2.00m ×3.09m, a thickness of 0.2-5.0cm hard material, and a maximum width of 3.09m of the coil for photo-grade inkjet printing, using Anuvia UV high-definition ink, print resolution up to 720dpi × 1200dpi, fast The capacity in the mode can reach 160m2/h. Moreover, like other UV inkjet printers in the Jeti series, both can print white ink, and can choose white, white, partial white, partial white white printing mode (both coil and hard material can be used) It solves the problem of chromatic aberration of direct color printing on primary color corrugated paper. At the same time, the advanced automatic height adjustment system of the nozzle can well overcome the problem of unevenness of the printing medium, and protect the safety of the high-speed moving nozzle while ensuring the stability of the screen output. If there is a need for glazing, the device can also be equipped with a glazing function before leaving the factory.
The cost-effective entry-level Anapurna series wide-format industrial inkjet printer is also a good choice for corrugated product printing, such as the Anapurna 2540FB high-speed platform UV inkjet printer, which can realize standard six-color (CMYK+LC+LM) ink and white ink. (Pre-printed, post-printed) printing, the highest printing speed is 45m2 / h, the maximum printing size is 1.54m × 2.54m, flexographic material thickness range is 0.02 ~ 4.5cm, equipped with 11 telescopic positioning pins can be soft The printed material is positioned to ensure the accuracy of double-sided printing.
The M-Press series of inkjet printers are also suitable for the printing of corrugated products. The M-Press Leopard platform inkjet printer has a maximum print size of 1.6m x 3.3m, a maximum print thickness of 5cm, and 29 on the platform (or More) The positioning pin cooperates with 55 vacuum zones to ensure that the printing material is flat and accurate and stable for precise printing.
3. Other foreign brands inkjet printers
EFI's VUTEk HS100 Pro ultra-wide format high-capacity UV inkjet printer is an 8-color (standard six-color plus two white channel) printing device with realistic grayscale technology, capable of printing a maximum width of 3.2m. A rigid or flexible substrate with a maximum thickness of 5.08 cm. The highest printing speed of the board is 100 pieces per hour. The advanced inking system achieves 100% ink utilization, further reducing production costs and enabling gloss and matte effects by adjusting gloss.
The Onset range of wide format inkjet printers is designed and manufactured by Inca Digital for markets such as corrugated board and display. The Onset S40i and Onset S20i platform UV six-color inkjet printers have a maximum printing area of 1.60m × 3.14m, and the maximum thickness of the printing material is 1cm (automatic mode) and 5cm (manual mode), both of which have 15 partitions. The vacuum adsorption platform has a maximum resolution of 600dpi and 1000dpi, respectively, and can reach printing speeds of 470m2/h and 310m2/h. Both use Fujifilm Uvijet ink supply system to achieve printing from matte to high-gloss. Onset S20i uses the enhanced Fuji Uvijet series of inks to improve the adhesion, stability and post-press performance of the ink. This is also an important reason why the Onset S20i can achieve a high resolution of 1000dpi.
INX International Ink's Inx MD1000 UV flatbed press is ideal for short-run printing of corrugated products. It uses CMYK plus white ink (or no) to accommodate substrates up to 5cm in thickness and 900dpi by 1200dpi. In the production mode, the production speed can reach 29m2/h (the production speed is 10m2/h in high-quality production mode).
4. Domestic inkjet printing machine
In recent years, domestic digital printing equipment has developed rapidly, and the quality of equipment and printing quality have been greatly improved, aligning with the world level.
Among them, Beijing Jinhengfeng Technology Co., Ltd. recently launched the inkjet printer U3000, which is specially used in the packaging field of corrugated products. It is an industrial grade inkjet printer with high printing speed and wide printing range in China. It is equipped with industrial grade. PLC centralized control system, high-precision head automatic lifting height measuring system, high-precision belt automatic correcting system, printing width is 2.5m, using 6 colors +1 color, the accuracy can be 600dpi in 300m2/h high speed mode × 900dpi printing, and a high resolution of 1200dpi x 1200dpi can achieve a printing speed of 120m2/h. In addition, flexible selection of different types of substrates can be achieved through the selection of coil and sheet retractable systems. The U3000 inkjet printing machine that has reached the world's advanced level is not only for domestic corrugated product manufacturers, but also has to go abroad and enter the international market.
Shanghai Taiwei Technology Development Co., Ltd. Storm TS series TS300/600UV flat-rolling dual-purpose inkjet printer can print 8 colors (CMYK+LC+LM+W+V), and the maximum size can be 2.5m×1.5m. And 3.15m × 2.02m sheet, the maximum width of 1.85m and 1.37m coil printing, printing accuracy of up to 800dpi × 1600dpi, in ultra-high precision mode printing speed of 19m2 / h and 17m2 / h, respectively In production mode, the production capacity is 78m2/h and 70m2/h, respectively. Other applicable models are cloud image PQ300 tablet series, TS2513, TS 3020 and other inkjet printers.
At present, the production of corrugated products by inkjet printing has been very popular in developed countries such as Europe and the United States. However, although there is still a certain gap in China, more and more corrugated product manufacturers have begun to pay attention to and start to build themselves. Inkjet printing production line, such as Xiamen Hexing Packaging and Printing Co., Ltd. took the lead in introducing the advanced HP HP Scitex FB10000 industrial printing machine in 2014, which was used for the printing production of commercial corrugated display stands, corrugated boxes and other products, and successfully solved the short version. The cost and efficiency of the order has expanded its business scope.
The demand of the market and the continuous maturity of inkjet printing technology have accelerated the digitalization process of corrugated product printing. It is believed that the inkjet printing method as a supplement to the traditional printing method will soon be popularized in the short-order order of corrugated products, and with the The printing precision and printing speed of inkjet printing equipment are constantly improving, and the use of inkjet printing in long-term singles in corrugated products will also increase. The future of packaging printing is digital, and corrugated product printing is no exception.