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FLEXO Magazine : August 2014
One other point stressed by W&H is, “graphic quality has improved exponentially and will continue to do so. Changes have been and are being made to flexo presses to print these images at the intended degree of quality.” AUTOMATION & ERGONOMICS Waste—time and material—during changeover is a factor that can have an important impact in the final cost of a job, and that is usually highly variable from one changeover to another, Comexi noted. “Job setup means printing pressure, register and color matching.” Without specially developed, patented technologies, “setup is a manual process and waste is highly dependent on the operator’s skill.” The printing press must be equipped with elements that facilitate access to all components for maintenance purposes, according to Comexi designers. On the list: the central drum, refrigeration systems and drying, etc. Successful press design allows the converter to maxi- mize efficiency and productivity. “Today, it is a must to have both servo and direct drives. This deliv- ers the best performance and precision in maintaining the longitudi- nal register. Also noteworthy is that the machine should be designed with minimal manual intervention (sleeve or doctor blade change, etc.) in mind.” PATENTED PROPERTY Trademark and patented technologies that automate processes, mon- itor performance and introduce controls are abundant. What follows is a sampling. Mark Andy’s Versa Max, mid web inline entry offers a small mini- mum repeat (10-in.) to conserve plate costs. Cylinder stack integrity provides accurate and automatic pressure settings and direct servo driven impression, plate mandrel and anilox provide faster and consistent makereadies. The ergonomic height of the machine is said to be more accessible than a competitive CI press. Anilox rolls and ink chambers move into the aisle for ease of access and the ability to quickly change out components, leading to fast setup and changeovers. Integration of inline lamination and other decoration processes helps cut down drastically on wasted time, and adds decoration capabilities to the print job. W&H’s EASY automation modules were designed to help with quick setup times and changeovers, which support many short runs. EASY-REG, EASY-SET, EASY- SET HD, EASY-COL and Turboclean ensure quick and accurate job setup, registration, color matching and ink system cleaning. EASY-SET was designed so that mini- mum scrap is generated when getting to registration. CINGULAR MODULES can be included in any of the Comexi flexographic presses. CINGULARDot2 is an automatic system for pressure and register adjustment “Today’s flexo workflows are leaner and meaner than in the past. Seamless integration promotes best practices, so converters see drastic reductions in downtime and waste. ” 80 FLEXO | AUGUST 2014 MPS EXL Offset Mark Andy Versa Max