EXHIBITION REVIEW | NPE 2024


cially in blown film applications – it includes a melt-pressure controlled venting start that fully automates the filling of the screen cavity after a screen change for maximum pressure consistency. In addition, the filling is done carefully so that no air entrapments endanger the process or the end product. This means producers can rely on a stable process and greater quality of the film, it says. Nordson also showcased its new


EDI Prodigi motorised lip actuator


Above: Nordson’s EDI Prodigi has a motorised lip actuator system for both extrusion and coating


system for extrusion and coating processes, which fully automates the lip gap adjustment – making it faster, safer, and repeatable. This claims to achieve saving tolerances four times faster than conven- tional thermal bolt systems. The die relies on a series of motorised actua- tors connected to the die’s flexible lip. The actuators smoothly translate motor rotation into precise linear movement to open and close the lip. � www.nordson.com


Right: Reifenhäuser presented its Flex coextru- sion adapter for cast film and sheet and applications


Nycoa has introduced NY-Clear, an amorphous 6I/6T nylon for packaging and precision moulded applications. The nylons were showcased as part of the company’s new speciality nylon offering at NPE. NY-Clear transparent nylon


Right: NY-Clear transparent nylon offers high clarity and strong permeation resistance


offers high clarity and strong permeation resistance with up to 30% higher resistance to oxygen, CO2, and water vapour transmission, it says. They have higher temperature resistance, lower moisture absorption – and better retention of properties compared to nylon 6 or 66. It is also used in higher temperature applications such as oven bags and can also be used in flexible food packaging. “We’ve responded to the market’s needs with an amorphous nylon option,” said David Trahan, director of product management at Nycoa. The NY-Clear portfolio includes grades that are optimised for blown film and extrusion applications. � www.nycoa.com


Reifenhäuser presented its new Flex coextrusion adapter for the extrusion of cast film, sheet and coating applications. With the Flex model, customers now have a


36 FILM & SHEET EXTRUSION | May 2024 www.filmandsheet.com


flexible, cost-effective system that complements the performance spectrum between the existing Fix and Pro models, it says. Precise film profiling enables manufacturers of multilayer films to reduce production costs. Coextrusion adapters allow individual layer tolerances to be accurately adjusted, to provide only as much raw material as is needed. The Flex variant completes the company’s coextrusion portfolio and enables high flexibility in production at low investment costs, it says. “This enables producers to quickly switch between


different film structures or layer thicknesses,” said Tim Bänsch, product manager at Reifenhäuser Extrusion Systems. “It offers more flexibility than the Fix version, while foregoing some Pro features in favour of an attractive price position.” Producers can use the Flex to make quick changes to the film profiling on the system, using adjustable profiling inserts. When processing sensitive materials such as PMMA or PC, the inserts can be replaced with single-piece inserts once the correct setting has been found. These raise film quality due to their static geometry. Less demanding applications can also be run permanently with profiling inserts. In addition, channel packages can quickly change the layer structure of the film (such as from ABA to ABB). Shear speeds are set automatically in relation to the percentage layer structure. Compared to Reifenhäuser’s


top model Pro, film profiling on Flex cannot be carried out during the


extrusion process or be fully automated. The


reduced range of functions enables a lower price and more compact design, which is a benefit when retrofitting existing systems with limited installation space.


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IMAGE: NORDSON


IMAGE: NYCOA


IMAGE: REIFENHAUSER


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