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Vision Sensor - Box Flaps
 Boxes of toothpaste are passed along a conveyor. The box flaps are sealed down with hot melt glue.
On occasion the glue is not applied and the flap will fail to stick down.
This causes issues later in the process as the boxes jam in the machine. The boxes may also get to point of sale where they look untidy and may also cause the tubes to spill out.
A Checker vision sensor was used to create an outline around a good box. If the flap is unglued it will fall in this area and be detected.
A large external back light illuminated the shadow of the box.
The system stored multiple box shapes and these were recalled as separate programs using binary logic inputs.
Top Image: Good box
Bottom Image: Reject box. |
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