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FLEXO Magazine : June 2014
INKING SYSTEMS, PUMPS, FILTERS, PRESSROOM CLEANING www.graymills.com email@example.com 877-465-7867 A BRIGHT NAME IN A DIRTY BUSINESS Printing plants are messy places, and even small contaminants can cause you major headaches. You need to talk to the people that have been cleaning up industrial settings since World War II. With a full perspective of parts washers and newly developed cleaning fluids, we will help you solve the problems you run up against every day. Give us a call to discuss what you need and how we can help you solve cleaning problems on your pressroom floor. Stop by and talk to us at LabelExpo Americas in September. FOR 75 YEARS DESIGNED, ENGINEERED AND MANUFACTURED IN CHICAGO, IL USA alone.” But not completely: “It is important to adjust and finetune the machines perfectly. They need to match with all other involved printing parameters,” like: • Quality of substrate • Plate type • Doctor blade type and pressure • Ink viscosity • Anilox type And all of these “hard” facts need to match with one very important “soft” fact, Patzt says: “The knowhow of the printer.” It is often a lack of knowledge that prevents printers from achieving reproducible quality. Giving a little bit more pressure here and a little bit more speed there is a common way to make the process work. In practice, Operator A will figure out—in his eyes—the right plate pressure for a particular job. But his colleague in the night shift, Operator B, has his own method, which involves, say, giving just a little more pressure to the plates. And voilà: Only a small but already crucial difference that makes it impossible to achieve predictable and repeatable results. Hans Kolb Wellpappe attacks these variations through ongoing, regular knowledge exchanges between all of their operators. By this the company ensures that individuals who work at a preprint machine can share their knowledge with colleagues at the postprint machine and vice versa. SUMMING UP HQ It is clear that there is no general definition of HQ flexo printing. Mar- ket demands determine the current standards that a print house has to meet. Matching spot colors and printing high density solids, fine type, barcodes, lines and the graphics the customer demands—all in one “On the buyer’s side, packaging material has to be visually impressive to gain the attention of consumers. On the brand owner’s side, it needs to match the color demanded, not just in one country but all over the world, in order to conform to a corporate design and foster brand recognition. ” JUNE 2014 | FLEXO 77