As a practitioner of traditional curing technology in environmentally friendly applications, UV curing offers many advantages not found in many other curing methods, including reducing environmental pollution, reducing equipment cleaning time and improving print gloss. In recent years, the UV curing market has experienced rapid growth. According to news from the US company Ultraviolet, the global use of UV inks and coatings is growing at an annual rate of 8% to 10% and will continue.
In addition to the usual UV curing methods, the growth of UV-LED curing technology applications is also very strong. It is a more energy-saving and environmentally friendly curing method, but it also highlights the problems of narrow ink selection and slow curing speed. At present, UV-LED curing equipment manufacturers are actively exploring and innovating, and ink supply. Businesses work together to improve equipment performance. For example, the UV-LED curing ink of INK International Ink Company has been developed for more than ten years, and is currently actively promoting this research, and vigorously promote the popularization of UV-LED curing technology.
At present, the application of UV curing technology in various industries is also constantly developing and popularizing. What are the UV curing technologies applied in the label industry? Regarding the situation of several mainstream equipment suppliers abroad, the author has revealed one or two for you.
(1) PHOSEON company's high-power products
In the air-cooled product line of the Fire Jet FJ200 series, PHOSEON has added high-power products to it. Because the FJ200 is a completely self-contained unit, it is easy to integrate and expand the system without the need for an external controller. This product, which can be easily expanded by juxtaposition, can greatly increase the curing power and greatly meet the simple integration needs of the digital inkjet printer market. In addition, they can be controlled by RS485 or PLC signals, providing instant switching and 10% to 100% light intensity control.
PHOSEON's products include high-power high-performance water-cooled Fire Power LED curing lamp, it provides a peak irradiance of 12W / cm2 or 16W / cm2, and applies to a different standard width printing press.
PHOSEON said that it will continue to work with leading printing equipment manufacturers and ink manufacturers to produce superior performance products and integrate them easily into printing equipment to increase production capacity.
(II) ISTMETZ Group company energy efficient system
The new MBS®-6UV curing system from the ISTMETZ Group, based in Neutingen, Germany, injects new energy into energy-efficient UV curing systems. Compared to other UV curing systems, the MBS®-6UV curing system is more efficient, allowing more than 40% of the curing energy in the curing system to be used for the curing of UV inks on the surface of the substrate. It independently develops and manufactures various components, such as reflectors, lamps, etc., and the perfect cooperation between them provides a fundamental guarantee for energy-efficient curing.
The MBS®-6UV curing system uses the newly developed "URSDuo" technology - a combination of special URS technology and URS-A mirrors, so that the UV light emitted by the UV lamp is reflected to a considerable extent. Compared to conventional mirrors, the cold-reflective mirror surface of the MBS®-6UV curing system is coated with more than 60 layers of metal oxides, which ensure that the UV light from the UV lamp is reflected to the maximum extent and ensures UV light. The infrared light emitted by the tube penetrates the coating directly to the air-cooled aluminum-based surface, significantly reducing the heat radiation to the substrate. At the same time, MBS®-6UV curing system adopts ELC electronic power supply, which can realize stepless adjustment and control of UV lamp output power from 30% to 100% according to printing speed, and its compact laminated structure makes the whole curing system occupy The space is reduced by 50%.
The innovative "URSDuo" technology, combined with the powerful ELC electronic power supply, creates the brand advantage of the MBS®-6UV curing system. Compared with the traditional UV curing technology, in order to achieve the curing effect of the standard UV unit, the MBS®-6UV curing system only needs 120W/cm lamp power density, which can save 40% energy, and the flexible configuration further expands the equipment energy saving space. .
The MBS®-6UV curing system is the first product of its kind to pass the "DGUV" test and is certified (formerly GS test). It has been listed as an energy-saving device by the German Printing and Paper Processing Professional Association (BGETEM) and has been affixed. Label for "lowest energy UV curing equipment".
(3) Brewer blinds
For more than 40 years, Brewer Ultraviolet has supplied the industry with a range of UV-curing products and has now introduced an ultra-compact louver lampshade. The unique louver design ensures that the user can change the amount of reflected light entering the panel without uncovering the lampshade. Since the maintenance of the UV system is usually the replacement of the UV lamp and the mirror, the use of the louver lampshade reduces the frequency of UV lamp replacement, making maintenance easier. Brewer Ultraviolet's louver shades are more reliable and durable than the usual shades, and are well suited to the smallest press applications.
In a sense, the widespread use of environmentally friendly production processes has led to a higher level of attention in UV curing technology. Especially in the label printing industry , UV curing materials and equipment have shown a stable and healthy growth trend. Faced with broad market space and diversified UV curing technology, the key is how to choose and use label printing companies.
The above content is selected from the first issue of Science and Technology Media's "Printing Technology and Label Technology " in 2013. For more journal content, please pay attention to the journal channel .
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