GEW launches step and repeat UV curing for screen printing

GEW has developed the VCP step and repeat UV system for web-fed screen printing, aimed at allowing optimized UV curing of inks and coatings on flat bed, intermittent screen presses. 

Step and repeat screen printing presents unique demands on the UV curing process due to the heavy ink lay-down and high opacity inks used. The VCP system address issues such as heat management and over curing on short repeat lengths. The system is driven by GEW’s e-brick power supplies, giving users an environmentally friendly system with reduced carbon emissions. 

The VCP step and repeat UV curing system reportedly reduces power consumption by 30 percent, due to its efficient and compact electronic power supply, and offers high intensity cool UV output from a specially designed cold reflector system. A quartz window is used to further reduce web temperature and this can be quickly removed for inspection, cleaning or replacement.  Variable, step-less power control, together with an adjustable curing aperture, eliminates over or under curing on any repeat length and a quick-release cassette assembly is provided to enable fast lamp changes and easy access to the reflector assembly for maintenance. The system is supplied ready for use with the GEW handheld UV radiometer for optimum UV process control. 

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