Monthly Archives: September 2013

Causes of Wrinkles in Overlamination – Part One of Five Part Series

Wrinkles are occasionally observed when using self-wound overlaminate films.  Unfortunately understanding and troubleshooting the causes of wrinkles is a complex proposition.  Any or all of the issues listed below may cause wrinkles during web handling.

  • 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

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