RollerTension

Transverse tension balance prevents wrinkles

Force is the cause of change in an
object’s state of motion.

——Sir Isaac · Newton

The fish tail skimming the sea surface mirrors the unseen lateral tension differential inherent in film production—an objective, ever-present imbalance that breeds wrinkles, demanding to be made visible

Transverse tension balance roller eliminates lateral tension differential and prevents wrinkling.

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Counterweight and pull rod of the balance roller are collinear, suiting applications where the web positively wraps around the roll shell

Weighted Balance Roller – Positive wrap

Counterweight and pull rod of the balance roller are oppositely oriented, suiting applications where the web negatively wraps around the roll shell

Weighted Balance Roller – Negative wrap

Application

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Wind & Rewind

Balance roller mounted in proximity to the material roll mitigates tight-loose edge during winding and suppresses web wrinkling at unwind

Visible position & unseen force

With Guider

Steering actuators inevitably induce lateral tension differentials across the web; working in concert with them, the balance roller refines film quality from within

Traverse tension is not balance

Unwind

Lingering lateral tension differentials reverberate across the entire production chain. As rolls hand off between upstream and downstream lines, edge-tension defects propagate with the web—ultimately degrading finished film quality

Adverse effects on the downstream

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