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Closed-loop web system combines gauging and extruder control

Thermo Fisher Scientific announced a new web-gauging technology for multilayer blown-film applications in the food and medial flexible packaging segment, taking data from the web gauging unit to automatically adjust extrusion output for the various layers. Thermo Fisher says the product combines the advanced web-gauging capabilities of its 21Plus! Control Platform and FSIR Full Spectrum Infrared sensor, resulting in increased control, cost savings, and reduced waste.

PlasticsToday Staff

October 7, 2009

1 Min Read
Closed-loop web system combines gauging and extruder control

Thermo Fisher Scientific announced a new web-gauging technology for multilayer blown-film applications in the food and medial flexible packaging segment, taking data from the web gauging unit to automatically adjust extrusion output for the various layers. Thermo Fisher says the product combines the advanced web-gauging capabilities of its 21Plus! Control Platform and FSIR Full Spectrum Infrared sensor, resulting in increased control, cost savings, and reduced waste. The company says the system is ideal for flexible-packaging manufacturers producing barrier films used to extend the shelf life of meat and cheese products, or protect medical instruments from contaminants.
 
Processors are given thickness and uniformity measurements, with the ability to discriminate between various polymers and control the amount of polymer exiting each extruder, which can ultimately reduce resin and scrap, and lower operating costs.

The system’s software can distinguish between top and bottom lay-flat film, rapidly scan and process data, and bring more accurate die or air-ring mapping to the end user. Thermo Fisher says the technology’s automatic twist-angle compensation feature reduces downtime during changeovers or start-ups, with the potential to save hours of valuable time.

Doug Wright, senior product marketing manager at Thermo Fisher Scientific, described the flexible packaging market as an expanding one, adding that alternative solutions might only provide limited information, run slower scans, or be vulnerable to errors, while Thermo Fisher was able to eliminate these potential issues with its combination of technologies that pair greater control and improved analysis of the thickness and uniformity of films at the individual polymer level. —[email protected]

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