Reifenhäuser, the German-based extrusion machinery specialist, said it sold five cast film lines last year, equipped with its new Midex-HSD winder model, for producing cast polypropylene packaging film. The new design of the Midex-HSD winder can handle large reel diameters of up to 1,200mm.
Sales Manager Mark Borutta explained to www.eppm.com, "Customers who want to use latest generation metallizers demand reel diameters of up to 1200 mm which, unlike 1000 mm diameter reels used so far, give 45% more running film meters." The metallizer can be operated longer and thus more efficiently since downtimes during a reel change can be reduced by one third - that means 30 to 45 minutes, depending on the model type and skills of the operator. “The new design of the MIDEX-HSD winder can handle such large diameters without problem” said Borutta, adding, " The reel is no longer moved by a rotating arm or turret mechanism, but slides horizontally onto the machine frame as the diameter is growing. The working principle of the horizontal slide winder enables considerably higher reel loads to be taken up.”
These Reifenhäuser winders are designed as a standard to produce up to three webs (additional webs are possible on demand). Depending on the winding shaft used, the maximum reel diameter of 1200 mm can even be obtained with multi-web winding. Beside the established rotary arm winders of the MIDEX-RA model type that are specially designed for the production of finished reels of smaller diameters up to 1000 mm, the horizontal slide winders of the MIDEX-HSD 2/3 model type now added to Reifenhäuser CSC's portfolio are suited for customers who need large diameters to produce jumbo reels.
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