ConvertingUV InspectionCoating VerificationLamination

Coating Inspection on Lamination Line

UV-based verification of clear adhesive coatings

UV coating inspection with specialized lighting on a converting line

The challenge

Clear adhesive coatings on a high-speed lamination line were invisible to standard cameras. The customer had no way to verify coating presence or uniformity, leading to downstream bonding failures and costly product recalls.

Our solution

We deployed UV LED illumination that causes the adhesive coating to fluoresce, making it clearly visible to the camera system. Combined with line scan imaging and custom software, the system verifies coating presence, uniformity, and edge alignment at full production speed.

Results

  • Invisible coatings made detectable via UV fluorescence
  • Real-time coating presence and uniformity verification
  • Elimination of downstream bonding failures
  • Integrated with existing lamination line controls

Products used

Surface Inspection

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