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digital Printing first entered the field of commercial and publishing printing . In this field, digital printing experienced a difficult process from the beginning to the beginning, and the technology has been improved accordingly, and the market scale has been further expanded. While commercial and publishing digital printing is maturing, digital printing is targeting the more promising packaging and printing market. However, due to the special needs of packaging and printing, such as large printing format, wide range of printing materials, wide color gamut, high printing resolution, etc., if the technology used in commercial and publishing printing is still copied, it is obviously not feasible. Inevitably, there will be a phenomenon of “unacceptable water and soilâ€. Therefore, in order to get a piece of packaging and printing this fragrant and fascinating “big cakeâ€, digital printing must start with technology and improve. To this end, equipment manufacturers have been "hardworking", and strive to make breakthroughs in technology, and at the drupa2012 exhibition held in May this year, the progress of digital printing in the field of packaging and printing has indeed brought a lot of benefits to the industry. Surprise.
Enhance one: the format is bigger
Whether it is electrostatic imaging digital printing or inkjet printing , B2 format has gradually become mainstream, such as HPIndigo20000/30000 digital printing machine, Miyao 8000 digital printing machine, Fujifilm JetPressF digital inkjet printing machine, etc. The format of the printing equipment has been correspondingly increased, so that some of the slightly larger package printing jobs are no longer limited.
Enhancement 2: a wider range of substrates
In the field of inkjet printing, the realization of white ink printing has expanded the range of inkjet printing substrates to transparent films, metal foils and other materials; UV inkjet printing has gradually become mainstream with the adaptability of a wide range of substrates, such as Fujifilm launched in drupa2012 The JetPressF digital inkjet printer is equipped with its newly developed fast-drying UV inkjet printing ink VIVDIA, which can meet the special performance requirements of folding carton printing, and the higher the energy, low energy consumption and low heat generation LED-UV curing technology The more attention you receive.
In the field of electrostatic imaging digital printing, the HPIndigo20000, which was newly developed for the flexible packaging printing field, is equipped with an in-line coating unit to make the range of compatible printing materials wider.
Upgrade 3: wider color gamut and higher print resolution
The printing color gamut is expanding, and many digital presses can already achieve 7-color printing. For example, HPElectroInk can support up to 7 colors, including white and spot colors. The new Trillium web digital press from Xeikon has adopted a new type. High-precision liquid ink (actually a fine high-viscosity solid toner) makes the quality of electrostatic imaging digital printing comparable to offset printing ; the new Miyao 8000 digital printing machine jointly developed by Japan's Miyajima and Ryobi also adopts high-definition Liquid ink that delivers ink to the surface of the substrate through an offset system with a print resolution of up to 1200 dpi.
Upgrade 4: Printing faster
The printing speed is constantly increasing, and the speed of the 8,000-gauge digital printing machine can reach 8,000 sheets/hour, claiming to be the fastest in the world's B2 format.
What's even more exciting is that even the “packaging giant†Bost, which specializes in the manufacture of flexo and finishing equipment, said that an industrial-grade sheet of paper suitable for packaging printing will be officially launched in the fall of 2013. Digital printing press. I believe that once this equipment is launched, it will have a great impact on the packaging and printing market, and even a milestone. The improvement of technology has boosted the confidence of digital printing in the field of packaging and printing, but there is still a long way to go before packaging digital printing can be scaled up. (Liu Yidong finishing)
The above content is selected from Keyin Media. Technical printing ·Packaging and Decoration 》10th issue of 2012, please pay attention to the journal channel for more journal content, click on the latest journal content to enter the electronic journal channel of Keyin.com.
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