... adopted the import stepless regulation of frequency conversion.7. Unwinding, web guiding, corona discharging,printing, IR drying and rewinding can be ... .Technical specificationModelHSR-650HSR-850Printing Speed60m/min60m/minPrinting Colour4 Colours4 ColoursMax. Web Width660mm860mmMax. Printing Width650mm850mmMax. Printing Diameter1400mm1400mmMax. Winding Diameter1400mm1400mmPrinting Girth180-420mm180- ...