Prati showcased its Jupiter TC400 inspection slitter rewinder during a recent open house organized by Gallus Australia, the Italian company’s distributor for the Australian and New Zealand markets. The event in Melbourne demonstrated the complete label printing process workflow, from printing on the Gallus EM280 to slitting and rewinding on the Prati Jupiter TC400.
The Prati machine can process a wide range of substrates, including flexible packaging, board, paper labels and booklets. When processing film, it is equipped with three different rewinding tension measurements controlled by the Varycontrol software. This is said to avoid any stretching of the flexible substrate. An air driven separator allows rewinding of all rows in a single shaft without crossing the substrates or damaging the web edges.
When processing self-adhesive labels, the inspection system flags missing labels or the presence of waste and moves the web to the correction table. For the rewinding process, the Varycontrol system keeps a steady tension on the plank and a variable tension on the substrate, to obtain large size reels without any conical distortion.
A patented scissors slitting device is said to provide clean and precise slitting: the self-sharpening blades are said to be capable of cutting any material from 12 micron to 1.5 mm with a precision of 0.15 mm. Two sensors ensure change-over from label to film in just three minutes.
Three Australian printers are already using Prati machines.
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