Revved Up to Retrofit

Once tension issues are adequately addressed, web drying and heat management come to the forefront and depend on the types of inks used—UV or water-based, says Chris Faust, director of business development at Aquaflex (St. Bruno, Quebec). "A UV press will need some form of chill drum or heat management system, as the films will distort under the UV lamps without it. Water-based inks don't always need chill drums as the air flow and dwell time under this air flow are more important than the temperature of the air itself."