We operate in real time, gathering information from around the world and making it available to everyone at no charge in just one click. Flexographic printing has been around since the 1920s, but it’s been continuously growing in popularity since the 1940s when more and more industries began using the process on an increasing number of substrates. Consistency in operation equals consistency in print, and a thorough understanding of your anilox roll inventory is a major contributor to this success. This is a topic in itself, but there is plenty of data to support that using uniform depth to opening ratios across nearly the entire range of print requirements is a benefit. A&V’s Tech Tips cover a range of subjects including best practices for flexo plate mounting, plate making, and printing. On the other hand, an overload of ink results in dirty print or too much dot gain. When printing by offset, whenever possible, print the whole check or deposit slip with the Van Son Magnetic ink, not just the number codes. Today, flexographic printing is known across the world as one of the most affordable high-quality printing processes available, and it has environmental advantages to boot. Flexo printing is unique because it adapts well to different materials (like our own EF multisubstrate flexo press that prints on thin film, paper, cartonboard, shrink sleeves, inmould, lamitube and flexible packaging) and can use a wider range of inks, including water-based inks and UV inks. However, despite the fact that many of the ink companies have dropped their viscosities for UV inks the phenomenon of UV ink spitting still persists. Gravure and Flexo printing. 1. There are hundreds of chemical companies, all with different properties. Flexo is a type of printing that transfers ink to a substrate, such as paper, by way of a flexible plate: The fountain roller rotates in an ink reservoir and transfers it to the anilox roller. Because you can use water-based and UV cure inks with this printing process, it’s also more eco-friendly than other printing methods. However, in order to systematically control the color and print quality, anilox roll engravings with consistent depth to opening ratios should be chosen. Manufacturers are looking at all areas, from file preparation to print and … And in case you needed even more reasons to check out flexographic printing, you'll also save time and money with this process while optimizing operations. Somewhat translucent. Above are engravings at the same volume and depth to opening ratios. Dirty printing refers to spots, hickeys, speckles on the substrate and can be caused by different situations. In flexographic printing, there are many variables at work that need to be holistically addressed to ensure process optimisation. Packaging Flexo Inks - The most widely read source for ink news and in-depth information on the development, manufacture and sale of flexo, gravure, rad … Mar 1, 2019 - Explore Sam's board "flexo printing machine" on Pinterest. In this case, printing “plates” are thin sheets of polymer material, laser engraved with an image of your digital artwork. If a plant is using consistent depth to opening ratios for all volume requirements, the same percentage of ink will transfer to the plate. Tips for process optimisation in flexo printing by Juergen Urban. Jubiläumsveranstaltung der Internationalen Leitmesse für die Veredelung und Verarbeitung von Papier, Film & Folie, ICE Europe 2017, öffnet morgen am Dienstag (21. The visual representation of that identity on packaging is paramount. These factors require […] ), and this results in quicker production times, higher throughput, and lower costs. It’s immensely popular because it was specifically designed for printing on flexible substrates and materials. The printing plates are made from a very flexible plastic material, usually pink in colour. Ghosting was inherited mostly from the advent of the doctor blade chambers. Use our Plate Selection Tool to help you decide. The good news is that flexographic printing for labels and packaging has resisted economic downturns and competition from digital while becoming a higher-quality, more efficient production method in its own right. Coarse surfaces such as corrugated board and stretchy films can economically be printed only with this process. From above table, if you want using anilox with… If the cause is wear, and color strength is not to specification, the roll will need to be replaced. But remember, flex is a negative in flexo. Flexo Printing Application Specialist, Fabio Rocha, explains how using, handling, and storage best practices are essential for plates that can be re-used time and time again, delivering efficiencies and savings. Flexo Know How ; How to handle and store your plates for improved plate life and performance . So, what’s the secret to attaining that critical element of volume regularity? Don't compromise Optimise Anilox selection for YOUR printing Since the creation of Flexo printing, Anilox have been at the core of the flexo printing process and remain at the heart of the process today. They must maintain consistency in the way their logo is written and they must match the “Coca-Cola red” exactly. Flexographic printing uses a flexible relief plate featuring a raised image of the requested design. This cell may transfer 18% of what it holds to the web. Flexography leaped into prominence with the introduction of cellophane as a packaging material. Flexographic plates are usually mounted off-press using any of several types of commercially available mounting and proofing equipment. Plus, the low-viscosity inks have a faster drying time (UV cure is essentially instantaneous! Awards judge, Clemson University’s Chip Tonkin explains what makes flexo a great teaching tool, why flexo has such a strong future, and what broke his reluctance to be a print judge… Read More Blog ; Rising to the challenge . While mounting practices often are dictated by individual shop requirements and equipment used, there … Our state of the art flexo presses are ideal for efficient, high quality long runs. These represent depth to opening ratios of 25%, 35%, 55% and 80%. The ability to keep an anilox roll inventory completely clean is the best way to print consistently and to reduce downtime. Ghosting is usually considered the presence of a faint image of a design in solid printing areas that is not intended to receive that portion of the image. November 21, 2016. There are hundreds of chemical companies, all with different properties. One of the best things about flexographic printing is how very versatile it is. Do not forget to add the font you used or alternatively convert the text in vector (function expand in Illustrator). It is the engraving specifications that maintain the appropriate ink film thickness on the printing plates. This print defect is always in the machine direction and usually is a repeated pattern. To the left is a standard 60-degree hex cell. Today's flexo printers have to accommodate a broad range ink types, processing methods and substrates, and frequently have to compete with gravure and offset quality. To some, their logo has become their identity – even iconic. gold, metallic also), and up to 6 or … When it comes to cleanliness and maintenance, the volume of an anilox roll is dependent on two factors – plugging and wear. 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