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Toray’s On-Demand Printing Solution Draws Crowds

May 14, 2012
NEU-ISENBURG, GERMANY—May 14, 2012—Daily demonstrations of the application of Toray’s waterless plates combined with an automated production environment is proving to be a big draw for the drupa crowds as they see how tomorrow’s print possibilities can become a reality.
A KBA Rapida 106 five-color press plus coater running Toray’s waterless plates is being demonstrated in conjunction with an Automatic Guided Vehicle (AGV) ASTI APC 40 and a robot from Industrial Robot Automation showcase the benefits of a highly automated production and how it can optimize on demand printing solutions.
“Printers’ interest has even exceeded our expectations,” says Izabela Batko, sales and marketing, graphics. “Waterless offset gives them the opportunity to easily and efficiently print a wide range of substrates, from paper to just about any kind of non-absorbent material. By combining the efficiency and versatility of waterless UV with a highly automated system for material handling and finishing, Toray is taking on-demand offset printing to the next level of superior performance.”
Quick Change Demonstrations
A short run of just a couple of hundred sheets begins the demonstration followed by a quick change to a job running a completely different substrate. After just a few sheets of waste it achieves the sharpness and color brilliance typical of waterless, with correct density and perfect register while fan-out is not an issue.
The Rapida 106’s dryer has options for both regular and HR-UV flash lamps for UV cure varnish, plus infra-red lamps and hot air for water-based coatings. It is also fitted with an automatic plate changer and inline inspection system for monitoring all critical parameters. Optimum waterless printing performance is ensured by EPDM ink rollers, individual ink zone temperature controls from Technotrans, and a sheet cleaner.
Toray’s green colored waterless plates, which are covered with a silicone coating to repel the ink in the non-image area, can be imaged by any plate setter with an 830 nanometer thermal laser at up to 300 LPI and depending on the plate type and run lengths up to 100,000 impressions can be achieved. They are developed in a plate processor that uses only a fraction of the chemicals required for processing conventional printing plates helping minimize environmental impact.
Comments Batko, “The point of our presentation is that any press can be used for waterless printing. This particular machine is not fitted with temperature controlled plate cylinders; a normal cooling system for the ink with individual zone controls is sufficient. Most modern presses have this provision.”


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