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diaperCHECK: the system for checking diapers and sanitary napkins

The Machine Vision System diaperCHECK was specially designed by Vision Device for the inspection of diapers and sanitary napkins. The solution detects the presence and position of all product features, determining a quality assessment based on the inspection results and the parameters set by the operator.


Extremely easy setup;
The products that can be inspected are numerous and it is possible to save the parameterisations made;
The system performs 100 % checks with the product moving under the camera station;

The diapers and absorbent control is carried out with the utmost precision without any interruption, performing the following operations completely in parallel:

  • Image acquisition and digitalisation
  • Displaying images on the monitor
  • Image processing
  • Reporting of results and consequent actions

The system guarantees very high performance thanks to the powerful functionality of the software that manages it.

The software is built 'dynamically' and the considerable hardware capabilities allow for accurate and timely feedback on the production process and perform actions in real time.

How does the doapers and sanitary napkin check work with diaperCHECK?

To carry out diapers and absorbent inspection, diaperCHECK can be supplied with its own cabinet but can also be easily integrated into the machine's control panels. The standard configuration includes a single 'reading head', usually positioned at the end of the line. It is also possible to request two or more reading heads to inspect the product at several points of the machine. The acquisitions can be completely independent and asynchronous.

The solution is based on the use of a linear camera, a special camera that scans one row of pixels at a time, just like a scanner. Unlike a scanner, however, the scan always takes place at the same point with the product moving underneath it.

For this reason, it is particularly suitable for capturing objects in translational motion, ensuring image uniformity and contrast and gaining a lot of space on the camera.

From an application point of view, there are no substantial differences compared to acquisition using conventional cameras. Once acquired, the image is processed exactly as if it had been acquired with a matrix camera.

Depending on the control requirements, the lighting of the industrial control system can be by reflection and by transmission.

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