CIS 3D / Clad Inspection System 3D

The CIS3D is an automated clad inspection unit using state-of-the-art 3D vision technology designed to efficiently, autonomously and safely inspect each side of the clad, around the anode stem. This technology is based on many years of experience using image analysis coming from artificial vision and is an integral part of our rodding shop 4.0 solution powered by our STASLogix centralized Tracking Management System. 

 

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How it works

A very high resolution, heavily tested 3D scanner is used to capture the clad areas which are inspected automatically by a specialized 3D metrology software.

The optical resolution is as low as 0.09 mm allowing to detect crack barely visible to the naked eye. The rejection criteria’s are adjustable by customers and can be a combination of:

  • Maximum crack depth
  • Maximum total surface of the cracks
  • Maximum width of the crack
  • Maximum length of the cracks

The clad area is scanned on its entire perimeter (360˚).

The CIS3D can be installed anywhere under the power and free conveyor of the rodding shop, before the rejection loop junction.

The rodding shop PLC stops the rod and sends a signal to launch the scanning cycle .

Benefits

  • No more need for manual inspection – safer, consistent and quicker
  • Better control on the clad repair costs
  • Energy improvements – Overall clad quality leads to lower voltage loss
  • Availability of historical measurements of the entire anode rod fleet

 

Key features

  • The criteria are based on the maximum crack deepness and its maximum opening.
  • They can easily be changed using the HMI of the CIS3D locally or remotely.
  • For every anode rod, the measurements are recorded in the local database, linked with the rod id if available and sent to the plant database.

 

  • The CIS3D is linked with the local PLC to allow automating routing of the defect clad through the repair loop.
  • A dot or line marking system can be added to flag the failed clad.
  • The cycle time is less than 40 seconds.