The beverage industry imposes extremely stringent safety and compliance standards. Bottle inspection isn’t just about aesthetics, but also food safety and product integrity. The main challenge is the transparency and reflections of materials like glass and PET. The most effective solution? Looking “through” the object using LED backlighting.
Inspect the contents and container
Using a backlight illuminator positioned behind the bottle allows you to check several critical parameters in a single step:
- Fill level: The liquid line creates a sharp shadow against the empty part of the bottle, making the volume calculation extremely precise.
- Cap integrity: Check that the closure is correct and that the safety ring is present.
- Presence of foreign bodies: Dark particles within clear liquids immediately appear as black spots on the bright background.
Glass vs. PET: Managing Distortions
While PET is often more uniform, glass can have varying thicknesses that create refractions. Diffused LED backlights help minimize these distortions, providing a homogeneous image that facilitates the work of machine vision algorithms. This ensures compliance with legislative and quality standards, preventing costly product recalls.
Towards a total inspection
Bottle inspection using machine vision and backlighting is the ultimate defense against production errors. In a global market where brand reputation is everything, ensuring every glass or PET container is flawless is a non-negotiable requirement that only LED technology can meet with such efficiency.
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More information and contacts
Systems and Sensor Integration Partners : www.roder.it
Artificial Vision Division : www.rodervision.com
More information about RODER VISION : about us
Contact for general information : info@roder.it
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