To highlight the ‘one-pass’ technique, Omet, the Italian manufacturer of narrow web printing technology exhibited one of its new VaryFlex-F1 lines at drupa 2008.
The VaryFlex-F1 is available with rotogravure, rotary screen, and both hot and cold foil units. The modular design of the Omet presses are said to allow for complete interchange of units. The design concept is also said to permit the application of holograms in tight register.
The VaryFlex can print on a variety of substrates from thick plastic film to paper and from adhesive-paper to carton for the production of labels, flexible packaging, folding carton, shrink labels, wrap-around labels, in-mould labels, blister, and tickets.
The company is also claiming a ‘significant boost in productivity’ with Fly Cut, with advantages both in quality and production cost savings. Fly Cut is said to produce a cleanly cut sheet, free of dust, and without any skewed edges. On shorter formats the machine is said to leave no rips or tears, while on longer formats, there are said to be no blockages. Omet further says that the cut is perfectly square without any adjustment to the cutting angle.
The ‘Fly Cut’ facility is a synchronised cutting unit that allows different sized sheets to be cut without changing machine set up. It is positioned in the converting area of the machine and works by allowing printed material to be sheeted in different sizes, from 6” up to 33” through a single unit. But unlike traditional sheeting systems, there is no need to change the set up to suit the format.
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