Nordson Xaloy to launch new plasticizing unit for high-speed molding at NPE

NEW CASTLE, PA - A plasticizing unit that features an innovative screw design enables enhanced-quality melt at rates that make possible shorter cycles in injection molding of high-speed, thin-wall packaging. This new unit from Nordson Corporation will be launched at NPE2015 (Booth W6263).        

 

The Nordson Xaloy Quantum plasticizing system includes a barrier screw designed to increase the rate of plastication for unmelted material while minimizing shear forces on polymer that is already in a molten state. Together with the innovative screw, Nordson supplies a custom-designed poppet-style non-return valve, whose free-flowing channels prevent polymer degradation and whose rapid shut-off ensures shot-to-shot consistency.

 

Tony Genova, engineering supervisor for screw manufacture at Nordson Xaloy said that the Quantum system delivers optimum melt quality at a rate that reduces actual screw recovery time by 10 to 15% in comparison with existing high-performance plasticizing units. This enables short cooling times in high-volume production of thin-wall parts.  

 

 

A barrier screw has a middle section designed to separate solids from molten polymer so that the heat and shear forces applied to the solids can be maximized, increasing the plastication rate.  

 

Nordson custom designs each screw for the Nordson Xaloy plasticizing system to meet specific customer requirements.