Factors That Affect The Fineness Of A Flexographic Print Product
We are a large printing company in Pakistan. We offer all book publications, hardcover book printing, paper cover book printing, hardcover notebooks, spiral book printing, saddle stitching book printing, booklet printing, packing boxes, calendars, all kinds of PVC,
product brochures, notes, children’s books, stickers, all kinds of special paper color printing products, game cards and so on. For more information, please visit Offset printing press in Lahore In recent years, with the adoption of CDI technology in the flexo printing industry, flexo printing products have eliminated the image of poor initial print quality and smoothness, and gradually impacted the middle and high-end markets. Today, many flexo manufacturers are able to produce beautiful products that compare to traditional offset and gravure. The application range of these products has also been promoted from low-end initial packaging, corrugated paperboard, etc. To cigarettes, wine labels, high-grade packaging, films, fine corrugated paper, milk bags and other fields. But just having a digital flexo doesn’t mean it has high-precision flexo quality. Many manufacturers report that even with high quality digital flexo, product smoothness has not achieved the expected results. Effect of substrate on product fineness For all coated paper types weighing under 90g / m2, after longdistance transportation and long-term stacking, the moisture content will vary greatly with the surrounding environment. In addition, the paper length of the flexo printing machine must be dried in a multicolor unit. If the paper is thin, the paper will experience a lot of deformation and inconsistent deformation direction, which has a big influence on product quality with multi-color overprint. Therefore, the paper supplier must strictly control the moisture content of paper, shorten the transportation cycle as much as possible, avoid exposure
during transportation or stay in rainy weather for too long. These steps are a prerequisite for controlling product fineness during the printing process. Effect of ink on product fineness Fine prints usually have to meet the following quality requirements: (1) The ground is fine and smooth, and the surroundings are neat and without ghosting. (2) The outlet is clear, the deformation is small, and the layers are different. (3) There are thin lines and small text, requires clear lines, beautiful text, and no pasting. (4) Multi-color overprinting requires accurate overprinting, no leakage, and there shouldn’t be too many overlapping boundaries. Under the premise that the printing pressure has been adjusted, the ink performance is adjusted to maintain a stable viscosity and good printing capability, and the printout can meet the above four requirements. In general, in-situ products use an ink viscosity of 45′-60 ‘(4 # glass paint), and the ink level and hiding power of the viscosity ranges of both. Ink has good hiding power and is even in the area; the ink has good leveling properties and is smooth and glossy in the field. The ink viscosity of the network cable product is good at 30` -40` (paint 4 #
cup). The ink transfer performance of the viscosity range is good, and the reproduction performance is strong point. The printed product has clear dots, small deformation, and is not easy to stick. Dirty version. The products of the multi-color overprint design minimize the trap parameter under the premise of not covering blanks, and arrange the printing color order fairly to ensure that the ink colors of the last color printing will cover the previous color traps. The impact of the printing process on product fineness. Printing process settings: such as trapping parameter setting, printing color order before and after setting, there is convex pressure, hot stamping cannot be connected when the mark is set for the posting process. Compared to offset printing and gravure printing, flexographic printing machines have poor printing precision. If the printed product has to go through hot stamping, embossing, and other subsequent processes, and cannot be connected to a flexo printing machine, premarking the printing plate is the basis for ensuring the accuracy of subsequent processes, and also for ensuring that the product packaging is exquisite after printing. The important one. Whether the product is printed correctly after packaging and perfection is an important aspect that reflects the refinement of the product. In short, the increased refinement of flexo printing products, in addition to their direct relationship with printing equipment and printing plate production, has a closer relationship with substrate selection, ink adjustment, printing processes and the level of printing operations in the printing process.
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