Inkjet printing technology is growing stronger in the packaging sector

[ppzhan Abstract] In recent years, the packaging industry has developed rapidly, and people's requirements for packaging have become higher and higher. Enterprises have increased the added value of their products from the packaging, and began to use inkjet printing technology with a wide range of substrates, flexible printing format, thick ink layer and strong adhesion.

With the development of the economy, packaging has evolved from the basic role of protecting products to beautifying products. To this end, manufacturers began to use inkjet technology in the field of packaging and printing. At the same time, inkjet printing has a simple process and a short production cycle. When printing, only a disk of a text, a layout and a layout program is inserted into a computer, and an inkjet printing device is activated to perform printing quickly. No film or stamp is required, and print information can be added and changed at any time. The complicated process of plate making, imposition, copying and printing is eliminated, the printing cost is low, and the pollution-free water-based ink used in inkjet printing does not cause pollution in the printing environment.

Inkjet printing technology originated in the late 19th century and rose in the 1990s. It mainly includes small inkjet printers, large format inkjet printers, inkjet printing equipment, digital printing equipment and so on. As a product of digitalization and computer technology, inkjet printing covers part of the printing market that traditional printing cannot cover, and gradually expands into many fields, and the market prospect is very broad. As a contactless, pressureless, and non-printed printing method, inkjet printing is performed by a system controller. The inkjet controller, the nozzle, the substrate driving mechanism and the like, the ink is printed on the substrate from the nozzle of the nozzle under the control of the inkjet controller, and the color inkjet printer usually has high temperature and high pressure printing and normal temperature and normal pressure type. Print in two ways. More and more packaging and printing companies have seen the advantages of inkjet technology in the packaging field, using its direct printing of high quality printing on different packaging such as plastic bottles, metal foils, personalized corrugated boxes and shaped corrugated boxes and labels. .

Corrugated board inkjet printing Because the inkjet head of the inkjet printer does not touch the substrate, but the ink dots are transferred to the substrate by different inkjet methods, and no pressure is required, the printing method is for surface unevenness. The uneven corrugated board printing can better reflect its superiority. Inkjet printing provides solutions for short delivery, reduced cycle times, and small preparation and downtime, which can be successfully integrated into the packaging line and is more suitable for the production of corrugated board. .

Paper-mold packaging products The ink-jet printing paper-mold packaging products have more irregularities on the structure, and the non-contact, non-plate-based imaging printing method of inkjet printing can be used in various paper packaging products under a wide range of operating conditions. Clear text and patterns are reliably printed on the surface of the bump. The principle is that tiny droplets of ink are ejected from one or more jetting heads through the slits onto the surface of each of the paper moldings on the production line to form a dot matrix of characters and patterns. The printing press uses a microprocessor control station. The required text pattern is synchronized with the speed of the production line by the action of the sensor to ensure that each of the paper molded articles can accurately print the required graphic materials. The ink is sprayed by pressure or static electricity, can be bottom-up in the horizontal direction, top-down, or printed from any angle, and is particularly suitable for surface printing of paper-shaped packaging articles with varying structural shapes.

Label inkjet printing Due to the increasingly fierce market competition, many consumer goods manufacturers have introduced new products with shorter and shorter cycles, and the speed of replacing product packaging has become more frequent. Therefore, manufacturers hope that label printing companies can print a small number of new designs and new labels in a short period of time and at a fast speed. Obviously, the traditional label printing method is difficult to meet customer requirements. In this situation, inkjet printing equipment is gradually being applied by label printing companies. Compared with traditional printing methods, inkjet technology brings faster speed and lower cost to RFID label printing, and it is important to achieve higher wiring density.

Outer packaging coding inkjet printing At present, more and more manufacturers have paid considerable attention to brand protection. In order to better protect the brand, manufacturers have listed inkjet coding technology as a security for product packaging. technology. With specialized software, inkjet printers can print different codes on each product. This technology is relatively simple to use and does not require significant changes to the package format to make the product traceable. Encoding using inkjet technology can be used to control product quality and internal product tracking, which can include simple continuity code, discontinuous code, covert code, or machine readable code.

In addition, under the impetus of the green packaging concept, inkjet UV offset inks add a lot of points. At the same time, compatible printing of a variety of materials also saves a lot of cost for the enterprise. Whether the printed material is coated, whether the printing material has holes, whether the printing material absorbs water, and the effect of the ink on the surface of the substrate will be related to the formulation of the packaging printing operation plan, the improvement of production efficiency, and the improvement of the rate. Therefore, packaging and printing companies should choose the corresponding inkjet ink according to different packaging materials.

Inkjet technology is driving the development of digital proofing. As the inkjet printing resolution is close to the quality level of offset printing, it will become the key technology to support the CTP workflow, which will replace the offset plate proofing and occupy the printing proofing market.

Inkjet printing will coexist with screen printing. Large-scale advertising prints used to be the world of screen printing, but in the near future, the market share of large-format digital inkjet devices will gradually expand. At present, the inkjet printing method has been widely used in street advertising, body advertising, light boxes, plaques, etc. with lower resolution, larger printing format and continuous printing without length limitation.

UV inks will increase their use in inkjet printers. UV curing has been widely adopted by inkjet printers, and the manufacturing technology and control technology of UV inkjet printing heads are constantly improving. UV-curable inks have three major characteristics: energy-saving drying; a wide range of printability for substrates; high-speed cureability can shorten subsequent process times.

Digital inkjet has a bright future in the field of packaging and printing. In the future, inkjet printing will become a mainstream technology and will be adopted by the packaging and printing industry, playing an important role in the future product packaging market. The all-digital workflow of inkjet printing is in line with the development trend of digital printing and networking. We are looking forward to the new era of digital inkjet printing. In the near future, inkjet printing technology will penetrate into the wider market and inject new vitality into the modern printing industry.

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