What is gtt laser engraved anilox roll apex international. When it comes to fine tuning, studying the contact angles and surfaces of used doctor blades from the process can give us clues. In printing, anilox is a method used to provide a measured amount of ink to a flexographic. With five production facilities on four continents, a strong portfolio of clients in over 80 countries and a highperformance continuous improvement culture, apexs value proposition is founded on developing solutions to satisfy. Subjective, typically 25 bcm to 75 bcm waterbased coatings is ph an issue. We have a deep understanding of the interlinked factors involved, and make constant efforts to ensure that our anilox rollers optimise your printing procedures. Apr 24, 2012 speed change system of the anilox and form sleeves. The preferred cell patterns for thick film coatings are.
Virtual forum virtual innovation central awards presentation membernars. Ceramic anilox rollers and sleeves laser engraving. Imagine using just one anilox roll for finer screens and stronger solids. Simply choose your line count and carrying capacity and you might think any anilox supplier would. Industry solutions there are good reasons for the anilox roller being the core element of the printing press. You can measure anilox volume, depth, width, wall, screen count, angles and consistency. Anilox rolls are a precise inkdelivery vehicle, but the precision is lost quickly if the aniloxes are not clean and maintained. Utilize these calculators to calculate anilox roll volume for 60, 30, 45 or trihelical engravings. These higher line screen rolls give printers the opportunity to reach for higher.
The vastly reduced weight makes it very easy to handle and ideal for multiple roll changes or where hoisting is not present. Pressman can also use this scope to look at plates for edge wear and dot structure. Bcmin2 volumes are in billion cubic microns per square inch. Anilox roll manufacturers have developed a number of alternative cell shapes to reduce this and a number of other issues often seen in fleoxgrahic printing. This globally established product has been enhanced and upgraded over the last year. Historically, to achieve the required densities, the printers are obliged to adjust the ink, when in reality the difference in volume of the an. Ceramic anilox roller herzpack anilox roller for ink. Imagine less mottling, pinholing, plugging and dot gain. Apex offers solutions for the concerns outlined in this article. The printer installs four anilox rolls, selected randomly, pours some ink.
Arc focuses on giving its customer a precise and durable roller. This anilox roll scope is designed to allow you to easily and quickly identify if your anilox rolls are becoming clogged or are beginning to experience surface wear. Flexo concepts recommends a 3step anilox roll cleaning program. Anilox inventory management helps improve production. Bcm anilox volume, and thin film coatings, those requiring less than 12. The fewer the total number of cells on the cylinder as a whole, the greater the percentage of the volume decrease. Measurement of a key parameter of your anilox rolls. This leaves tiny, but unacceptable, pinholes in anything printed from the roll in the future.
This benefit allows the converter to specify a higher line count anilox roll than typically available, for increased print quality, degree of gloss in the coating, and uniformity of the applied ink film. We absorbed in more machinesand more advanced soft, and have 4 engraving machines. The following guidelines for anilox cleaners, cleaning, and storage will help you achieve proper preparation. It is vital that printers not only understand their anilox screen. Choosing the right anilox for each label printing application.
Sleeves in variety are pulled over the inbuilt aircylinder from the operator side of the printing deck after quick unfolding of the bearing. In addition to regular manual cleaning with a range of safe solvents there is. This 400x powered scope is designed for use with anilox line counts over 400. In this context we pointed out the influence of the beam quality of the laser on the modelling of the. The benefit of accurate anilox volume measurement how to. On an anilox roller using inverted pyramidshaped cells, a 20% decrease in cell depth due to wear can cause more than a 40% decrease in volume. Speed change system of the anilox and form sleeves. Dont jump through hoops, or from application to application, to get a new pdf. This welldeveloped system provides a more precise method of controlling film weights and lacquer distribution on a coated sheet. If referred to by volume alone, the anilox roll becomes much easier to understand and its effect on the printed results is not hindered by misconceptions relating line count to print quality. Every printer can count on apex quality, precision and reliability for all his. The ceramic functioning layer provides a basis for the laser engraving of our anilox rollers. Every printer can count on apex quality, precision and reliability for all his anilox requirements. Wear is commonly gauged by the manufacturer, using a microscope.
Anilox rollers that are used with water, solvent and oil based inks, which dry when left sitting out and unagitated, must be cleaned immediately after use or a problem known as plugging occurs, where minuscule amounts of ink dry in the cells. Anilox roll scoring is visible as thin circumferential lines on the surface on the anilox roll which quickly show up on the print surface. In flexographic printing, the anilox surface where ink meets plate has always. The anilox roller is carried in ball bearings, mounted in an inner bracket assembly. Technical sheets may not match dilutions, throws solids and wtgallon off. Apex upgrades gtt anilox technology, introducing gtt 2. Pounds per ream accurate gsm grams per square meter, accurate micron or mil film thickness inaccurate due to absorption by the web ream size area coated, sometimes not 100% sq ft 144,000 sq in 3000 sq ft 432,000 sq in if not 100% coverage well need to cut out. Selecting the correct laser engraved ceramic anilox roll anilox anilox screen count volume.
Anilox produced with fibre optic lasers with multiburn technology with a capability of engraving 790lcm2000 lpi. A quick check of the job history shows that the last time the job was run, four 800 line count anilox rolls were used for cyan, magenta, yellow and black. Anilox flexographic printing rollers, refurbishing. Deep conventional anilox cells trap ink while cell wall surface mass reduces. The sitexco roll cleaning system is the most intelligent, environmentallysafe, and effective way of maintaining your anilox inventory. Anilox manufacturers differentiate between thick film coatings, those requiring more than 12. Conventional anilox rollers the heart of the flexo press description.
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. Hayneswood anilox coating systems are a wellproven method of controlling film weight application and distribution on sheet fed coaters. Historically, to achieve the required densities, the printers are obliged to adjust the ink, when in. It can also clean multiple narrow web rolls or a combination of narrow and. Daily wiping to prevent ink or coating buildup applying a liquid cleaning agent by hand and wiping down the roll with a clean, lintfree cloth on a daily basis is the simplest and most effective way to keep ink. Sep 18, 2017 having well defined print targets with tolerances will enable your anilox supplier to recommend the best anilox specification for your particular print conditions. Also, gtt is not specified by screen and bcm 360 lpi at 6. For a long time printer converters have assumed that the volume readings on anilox rolls ordered to the same speci.
We use triedandtested chromium oxide ceramics cr2o3 for this purpose, given their characteristic melting properties, density and in particular their suitability for highenergy laser engraving. No matter what your anilox cleaning needs are flexo wash has a solution for you. Higher line counts are better suited to lower cell volumes. Increasingly, oems and printers are demanding gtt for their new. Do you know how to quickly convert your anilox rolls linescreen and volume values between metric and imperial unit measurements.
Technical calculators manufacturer of anilox rollers for. Colour density at high speeds we always see a loss of colour density, this is caused by the inability of the closed hexagonal cells to fully refill with ink in each revolution. Anicam 3d scanning microscope, anilox qc application and anilox management systemams, the available. Just click print and select adobe pdf as your printer. Foxit has recently gained popularity thanks to the fact that it comes loaded with a great deal of features that increase its capability for pdf editing and printing. Anicam anilox qc anilox quality control device and software for 3d inspection and measurement of anilox rolls state of the art 3d scanning technology for todays flexographic printer. Anilox rollers, cylinders and sleeves for narrow web. The anilox roller is often referred to as the heart of the flexographic press. With increased ink strength and lower anilox volumes, higher line screen anilox rolls can now be used. Lower anilox line counts accommodate higher volumes for solid coverage and coatings. Dont 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. Apex international is a global leader of anilox, glue set, and metering products and print maintenance solutions. Choose pdf in your printer options and replace your printouts with highquality adobe pdf documents. Another type of anilox cell structure is called a quad channel screen in which each cell is connected by a thin engraved channel.
Dont compromise optimise anilox selection for your printing. The quick and gentle cleaning process will leave the aniloxes totally clean and ready for immediate use after just 1020 minutes cleaning without causing any wear or tear on the aniloxes. To help corrugated and folding carton printers to reduce costs and deliver maximum. Use balanced extender to weaken color to the middle of the acceptable range 3. Ink, anilox roll, doctor blade selection guide new age medicine. A line work print job would be specified with 360 linescreen rolls, while screen work would use 440s, and process print would be run with 600s at volumes of 5 bcm, 4 bcm, and 3 bcm, respectively. Advanced laser technology, combined with cuttingedge software, allows the user to easily clean ink and coating chemistries of all types.
We manufacture and restore anilox rollers per the customers preference in surface, volume transfer and line screen for more consistency and faster speeds. Cell wear is an important consideration, especially as a cells region of greatest volume is at the surface of the roller. Gtt is the best anilox product available in the market for achieving the needed consistent inktoplate transfer in hd flexo quality and fixed palette printing. Occasionally, customers who may have infrequent need for a given anilox roller, may prefer to keep the roller handy for use, installed in an inner bracket assembly, which may be. Ceramic anilox rollers and sleeves laser engraving zecher. A repeat process job comes to press so the printer, helper or setup person prepares four anilox rolls appropriate for process printing. We absorbed in more machinesand more advanced soft, and have 4 engraving machines by now. This type of cell structure has been found to have the most effective inktransfer capabilities. The common unit of measurement in north america is bcm in2 or billion cubic microns per square inch in europe the unit more commonly used is cm3m2 cubic centimetres per square meter example. All our articles are in pdf format for easy download. Knowing the condition of the anilox rolls for a printer converter has been proven to save considerable press setup time and reduce waste which inevitably increases profitability. Laser engraved ceramic anilox roll volume and screen guide. Measuring anilox volume goes back to methods like urmi which, with the correct training, is a very accurate means of measuring volume.
Product specifications technical specifications anicam q. Reduce ink to lowest viscosity consistent with acceptable printability 2. With the cdi crystal xps, making flexographic plates finally becomes a coordinated, linear process. When foreign particles become trapped between the doctor blade and the anilox, it is likely that the finely engraved cells within the anilox will become blocked, damaged or even destroyed. Anicam anilox qc software brochure, english 4mb all printing. The process of engraving anilox rollers consisting of ablating and remelting was described. Anilox rolls used to be specified by linescreen, then volume. Print to pdf, how to print to a pdf adobe acrobat dc. To achieve excellence in graphic design and innovation, the laser engraved ceramic anilox roller is the tool to lead the way. Do you really know the volume of your anilox rolls. Occasionally, customers who may have infrequent need for a given anilox roller, may prefer to keep the roller handy for use, installed in an inner bracket assembly, which may be exchanged with another bracket that is in more frequent use.
Industry solutions engraved anilox rollers zecher gmbh. Its accora glue roll and doctor roll are made from stainless steel and ceramic, respectively, and provide benefits that include glue savings, easy cleanup, faster speeds and. Mar 23, 2017 measuring anilox volume goes back to methods like urmi which, with the correct training, is a very accurate means of measuring volume. Every major technology advance with flexo, from the introduction of reverse angle doctor blades and laser engraved ceramic anilox, through to the recent developments of h. Foxit pdf printer this free pdf printer is a great solution if you are looking for a light pdf printer that is just as reliable as more advanced ones. Enter the linescreen, depth and opening measurements and calculate the current volume of your anilox roll. High definition flexo, printers have needed to consider, what changes in. It is designed to deliver a precise and consistent amount of ink to the printing plate.
Any flexo printer, whether using waterbased, solventbased or uv inks, should have a unit like this if they are serious about delivering consistent results to their clients. The process employs a custom engraved roll with a lacquer chamber that replaces the conventional film metering rolls. Anilox laser technology have international representatives in over 20 countries. Use anilox cleaners that actually work to remove the ink or inks without damaging the. Having well defined print targets with tolerances will enable your anilox supplier to recommend the best anilox specification for your particular print conditions. Apex international has announced the evolution of gtt anilox technology. With this liquid volume measurement instrument there is a known amount to ink applied to the anilox roll and then it is spread with the doctor blade. In addition to the fine tuning of the gtt wave technology, apex has added additional volume options, making the benefits of gtt available to those who historically could not get the correct color on press, giving. When foreign particles become trapped between the doctor blade and the anilox, it is likely that the finely engraved cells within the anilox will.
Liquid coating determining weightthickness aimcal fall. The preferred cell patterns for thick film coatings are trihelicals and quads with 45 degree cell angles. Specifying an anilox roll by line count and volume seems straightforward. Lower anilox roll volumes transfer a thinner film of ink which enables more tonal range, best.
160 423 1624 796 872 1467 20 1422 384 1515 895 1680 184 1414 509 401 1512 364 984 118 541 1611 222 423 1108 1332 577 243 567 1035 157 37 61 246 121 562 1149 397