System provides dynamic analysis of nip width

The F-Nip flying dynamic electronic nip analysis system is a novel real-time nip analysis tool.

The F-Nip flying dynamic electronic nip analysis system is a novel real-time nip analysis tool.

For the first time, technicians can now measure nip width as the sensor chain passes through the nip while the rolls are rotating at jog speeds.

As it reveals roller skewing, inaccurate roll alignment, and crown deficiencies, F-Nip is a valuable process control tool for any web-based production environment.

Any of these problems can result in uneven processing, wrinkled or mottled products, compacted sheets, excessive sheet breaks and blackening during calendaring.

Nip Products Group Manager Madelene Glomsten says: "Dynamic nip tools are particularly beneficial for rolls with interlock systems or when the cover material takes a set from static impressions.

Combining the advantages of Pressurex with E-Nip's real-time electronic analysis capability, F-Nip provides the ability to measure nip width while the sensor chain is riding on the felt (or other substrate) as it passes through a single nip.

This represents a situation as close as possible to the actual run condition".

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