Pdf multi beam laser technology for engraving anilox rollers. Industry solutions engraved anilox rollers zecher gmbh. Novaline series engravings nova nova uv gold nova art gold nova gold silver 1 sdealfor56inkuse including aluminum llmandpaper packaging. Coating material is transferred to the anilox roller from. With the anilox upgrade, the amount of lacquer held in the engraved roller cells determines the film thickness. Us9504164b2 manufacturing of high resolution conductive. 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. It appears to be standard procedure to blame first the ink or what the ink technicians have done, then the doctor blade setup, the substrate and the plates. Apex anilox rolls canada flexographic printing press and. Mar 23, 2017 tsg members are often asked by converters what is the most accurate means of measuring anilox volume, or bcm.
For years anilox producers have recommended that printers increase the anilox line screen to improve print reproduction. This leaves tiny, but unacceptable, pinholes in anything printed from the roll in the future. Laserengraved anilox rolls and sleeves making our planet more productive anilox rolls selection guide m. Introducing the next generation of laserengraved anilox rolls. The anilox rollheart of the flexo process, second edition.
Measuring anilox volume goes back to methods like urmi which, with the correct training, is a very accurate means of measuring volume. Technical calculators manufacturer of anilox rollers for. The anicheck can measure the anilox rolls from all manufacturers. Applied cubic microns anilox volume required transfer rate 3. In order to maintain the life and performance standards of your anilox inventory, anilox rollssleeves must be cleaned immediately after a press run to remove the ink.
Anilox roll volume is defined as the amount of ink held on one square inch of the engraved roll surface expressed in units of billion cubic microns or bcm. Under certain cir cumstances higher volumes may be available to meet specific customer needs. Laser engraved ceramic anilox roll volume and screen guide the volumes shown are available within praxiars recommended depth to opening ratio. Absolute volume ink smear is now the preferred method of measuring the cell volume of a laser engraved ceramic anilox roll. Zecher anilox cleaners allow a gentle and at the same time efficient cleaning of your anilox rollers. The common unit of measurement in north america is bcm or billion cubic microns per square inch. This welldeveloped system provides a more precise method of controlling film weights and lacquer distribution on a coated sheet. Flexoglobal blog technical articles about flexography and printing. The anilox roller is often referred to as the heart of the flexographic press. Bcmin2 volumes are in billion cubic microns per square inch. Simply choose your line count and carrying capacity and you might think any anilox supplier would provide a roll that delivered the same volume of ink. Anilox roll storage and handling all printing resources.
Engraved anilox rollers and sleeves ceramic zecher gmbh. Do you really know the volume of your anilox rolls. Lower anilox line counts accommodate higher volumes for solid coverage and coatings. Liquid coating determining weightthickness aimcal fall technical conference. Minneapolis, mneaglewood technologies, makers of saniblas anilox roll cleaning systems, has begun a partnership with corrugated machinery supplier, the haire group, to offer the saniblast anilox roll cleaning systems. Parameters of laser engraved ceramic anilox roller main parameters of laser engraved ceramic anilox rollers engraving angle o pattern this refers to the special orientation of cells in subsequent rows of engraving as referenced.
Gtt is the best anilox product available in the market for achieving the. Accurate anilox volume measurement is a recent part of the evolution of. As higher anilox screens, new elongated cells and opencell structures evolved, the need for volume measurement could not be met by conventional methods, and measurement systems had to evolve. Anilox roll technology for printing garment labels.
Liquid coating determining weightthickness aimcal fall technical conference 2010 mike huey. From the worlds largest anilox manufacturer, apex brings to anilox technology a bold revolution in cell geometry, laser engraving engineering, with ceramic density and strength. Anilox rollers for narrow web printing arc international. Coating and laminating anilox cell volume calculator pamarco. The most cost effective tool to care and maintain clean your anilox rollers. What is gtt laser engraved anilox roll apex international. Studies have shown very significant variations between operators. The anilox roll bearing should be cleaned and stored in oil when not in use and inspected prior to installing. We absorbed in more machinesand more advanced soft, and have 4 engraving machines by now. A process when used with the appropriate equipment is capable of restoring original ink volume capacity. Anilox cell volumes are typically measured in units of bcm billion cubic. Anilox rolls roll construction rubber rolls click here to download collateral pieces laser engraved mechanically engraved base construction.
Parameters of laser engraved ceramic anilox roller line count line count or screen count refers to the number of cells per lineal inchcentimetre as measured along the engraving angle because that is where the cells line up in closest proximity to each other. We have a deep understanding of the interlinked factors involved, and make constant efforts to ensure that our anilox rollers optimise your printing procedures. The calculators listed below are in ms excel spreadsheet format. In printing, anilox is a method used to provide a measured amount of ink to a flexographic. Specialists from paragon used it choose the new provider of anilox rolls that meet the companys strict quality standards. Clicking on the calculators name will download the file to your computer. Apex has the most consistent anilox engraving in the market. Specifying an anilox roll by line count and volume seems straightforward. Anilox roll scope 400x power anilox roll cleaner, anilox. With this liquid volume measurement instrument there is a known amount to ink applied to the anilox. The common unit of measurement in north america is bcmin2 or. A plurality of cells are patterned into the contact surface of the cylinder. Harper express the fast anilox delivery on the most popular. This variation between what should have been comparable aniloxes has been very costly to all flexo printers, from the smallest narrow web to the largest.
Whilst this method was a positive step forward over the original mechanical method of volumetric calculation, it is prone to many opportunities for errors as follows. Liquid coating determining weightthickness aimcal fall. The process employs a custom engraved roll with a lacquer chamber that replaces the conventional film metering rolls. It is designed to deliver a precise and consistent amount of ink to the printing plate. To take full advantage of recent improvements in the flexographic process, printers must understand both their anilox screen specifications line count and volume and engraving type and cell geometry. Us201403490a1 method of manufacturing a low volume. Apex international is a global leader of anilox, glue set, and metering products and print maintenance solutions. Hayneswood anilox coating systems are a wellproven method of controlling film weight application and distribution on sheet fed coaters.
Should you have any questions, contact the press oem and peruse the operating manual for guidelines and settings. Enter the linescreen, depth and opening measurements and calculate the current volume of your anilox roll. Lower anilox roll volumes transfer a thinner film of ink which enables more tonal range, best. Coating material is transferred to the anilox roller from a lacquer chamber which employs two scraper blades. A second coating material is deposited over the patterned contact surface of the cylinder. It is the device troika anicam for measuring anilox volumes and cleanliness integrated with data management software.
Bcm anilox volume, and thin film coatings, those requiring less than 12. Fibrelyte is an exclusive pamarco product using wound carbon. 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. Aug 01, 2016 this will produce cleaner print, targeted ink densities and anilox cells that are more resistant to wear and plugging.
Arc focuses on giving its customer a precise and durable roller. With increased ink strength and lower anilox volumes, higher line screen anilox rolls can now be used. Ceramic anilox roller herzpack anilox roller for ink. If ink is allowed to dry, the buildup of deposits inside the cell decreases the amount of fluid ink to be transferred onto a printing plate during subsequent runs. A method of manufacturing a low volume transfer anilox roll includes depositing a first coating material over a contact surface of a cylinder. This onetime tool provides a fast and reliable method of testing rolls to determine the current ink volume level of the cells. Cell wear is an important consideration, especially as a cells region of greatest volume is at the surface of the roller. Utilize these calculators to calculate anilox roll volume for 60, 30, 45 or trihelical engravings. Accurate anilox volume measurement is a recent part of the.
In flexographic printing, the anilox surface where ink meets plate has. Anilox rolls should be stored in a twoarm rack with a halfinch clearance on each side of the roll. Anilox roll free download as powerpoint presentation. Anilox definition is a system of printing that utilizes ceramiccoated metal cylinders to transfer consistent amounts of ink from a supply to the printing plates often used before another noun. Laser engraved ceramic anilox roll volume and screen guide. Specifying the right anilox manufacturer of anilox. The vastly reduced weight makes it very easy to handle and ideal for multiple roll changes or where hoisting is not present. Industry solutions there are good reasons for the anilox roller being the core element of the printing press. Tsg members are often asked by converters what is the most accurate means of measuring anilox volume, or bcm. Anilox manufacturers differentiate between thick film coatings, those requiring more than 12. Anilox rollers the heart of the flexo press description. The key tool in the standardization program in paragon was anilox quality control system by troika systems.
Are you noticing a gradual decrease in the volume of your anilox rollers. Stainless steel brush for use on ceramic anilox rolls and brass brush for use on chrome plated anilox rolls only. Home resources screen and volume calculators coating and laminating anilox cell volume calculator screen and volume calculators coatweight calculator under revision. The condition and actual volume of the anilox needs to be known to minimize press setup time and cost. In this blog article, we discuss how anilox roll technology can be used for. This 400x powered scope is designed for use with anilox line counts over 400. Higher line counts are better suited to lower cell volumes. Anilox roll technology for printing garment labels, textile. Consideration should be given to having back up bearings and gears to reduce make ready times by having the roll pregeared. The disposable liquid volume tester for anilox rolls, full coating gravure rolls and trihelical rolls capatch is a useonetime tool that works by contact with the roll as a kind of sticker. Your rollers regularly come into contact with inks, paints, cleaning agents, water and all manner of chemical substances. Gravure roll coating is a technique used to coat fluids of a wide range of viscosities up to 1500mpa sonto substrates at speeds of up to 900 mmin booth,1970,1990. 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.