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FLEXO Magazine : June 2013
with the ability to produce fine or higher line screen on the plates. The major advantage of these plates was the ability to hold register and not distort under pressure. This meant a need for the higher line screen and improved controlled volume on the anilox. Press manufacturers also changed the ink transfer from a two-roll system to a bladed or cham- bered system This meant better control of ink film. The drawback of the CO2 type lasers were the maintenance time and expense and the speed of engraving. A CO2 laser engraved at around 10,000 -15,000 cells/second, which for very fine screens for flexible packaging and label applications meant extremely long engraving times, the more modern fiber optic laser is upward of 50,000 -60 ,000 cells/second. The development of the thermal fiber optic YAG lasers in the early 2000s opened the line screen options to higher than 1,200 lpi. These higher line screens on the anilox became more important as digital plate technology developed. Due to the optical path and the power of these lasers, they were not capable of producing effective screen counts below 500. Then next major leap in thermal YAG lasers was increased power, new software and electronic capabilities that com- bined to allow for a full range of screen counts from 35 to 1,800 lpi. With the advanced software packages now avail- able from the machinery manufacturers, hybrid screens, such as the E Flo, are now able to be engraved into ceramics in a very controlled and consistent manner. E Flo cells offer a new tool for printers striving for greater graphic capability. The unique elongated shape of the cell and dual line screen allows for improved ink release resulting in improved solid coverage and the ability to print screens cleanly, even where the image is on the same plate with a solid. This new innovation produces low dot gain, and clean type while achieving high ink densities. n About the Author: Pat Kent has been involved with the print- ing industry for 40 years in a number of capacities. First in graphic design and then as senior research scientist for International Paper, print research and paper develop- ment. She has been a member of FTA since the 1980s and has worked with its Flexo Quality Consortium (FQC) research arm in designing a statistical trial to determine optimum print attributes for flexography. Pat has judged FTA Excellence in Flexography Awards competitions. For the past 10 years, she has represented Pamarco Global Graphics as anilox techni- cal sales representative in the Northeast. Pamarco to Buy Absolute Engineering ROSELLE, NJ--Pamarco Technologies LLC expects to finalize the acquisition of Absolute Engineering, Ltd of West Yorkshire, England and its American subsidiary Absolute Print Engineering, Hiram, GA; by July 31. Absolute Engineering is a manufacturer of carbon fiber doctor blade chambers and the InkSave ink wash–up sys- tem, both of which are utilized in flexographic printing. Terry Ford, president and CEO of Pamarco Technolo- gies stated, “Part of our growth strategy is to acquire niche high-end engineering companies in the graphics industry to complement our existing wide range of prod- ucts. Absolute’s innovative engineering and technology makes it the leader in both the new machinery and the replacement blade market.” Antony Whiteside, managing director of Absolute added, “This acquisition allows Absolute to invest signifi- cantly in new production capacity, allowing us to meet the demands of our rapidly expanding customer base. It also allows us to exploit the synergy created by combin- ing the expertise and technology of the fastest growing blade systems company with one of the most technically advanced suppliers to the printing industry. This will ensure that we can continue to develop both our existing products and the new innovative products that our custom- ers need.” Whiteside will continue to direct Absolute’s business operations alongside David Burk, technical director, once the acquisition is complete. 64 FLEXO June 2013 www.flexography.org PCMC Names VP GREEN BAY, WI—Mark Zastrow has been pro- moted to vice president of sales, Paper Converting Machine Co. (PCMC). Zastrow has more than 25 years of experience in various sales and sales lead- ership roles and has served as leader of PCMC’s Green Bay-based Tissue Converting and Packag- ing sales teams. He will now be responsible for all Green Bay manufactured major machine product lines and sales teams.