Monthly Archives: April 2014

Conclusion of Wrinkles in Overlamination Discussion

Over the past several months we have reviewed in detail several causes for wrinkles in overlamination:

  • Gauge variation of the web
  • Uneven roll tension (wind) from core to outer wrap
  • Variations in temperature and humidity
  • Roller misalignment and/or imbalance
  • Long, unsupported web lengths
  • Machine vibration

Hopefully it has become apparent how wrinkles can form during any web handling process (e.g. film manufacture, coating, converting, lamination). This makes preventing or identifying the root cause of a wrinkle issue a complex task, frequently necessitating a partnership between the owners of all processes involved in order to properly remedy the issue.

If you encounter wrinkles in your process, here are a few takeaways from our five part series you should highlight for future reference:

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