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Ultrasonic examinations of T-joints

Semi-automatic devices to test aluminum pistons

In march 2012 ZBM ULTRA on behalf of Złotecki company, we developed semi-automatic devices to test aluminum pistons. We are testing the quality of the connection diffusion cast iron blocks. Testing are both surfaces. The system consists of digital ultrasonic dephectoscope, computer program (procedure), table with swivel and automatic wetting system. Personel can changing parameters setting for test:

  • number of exceedances of the marker,
  • maximum (decibel) exceeding the marker,
  • the maximum length of a exceeding angle of the marker,
  • total (angular) exceedences the sum of the marker.

Computer program performs automatic assessment of the piston (good-bad) based on set criteria. The process program record of all tests and automatically generates reports. Below are several photos of finished solution.


Pic. 1. Test position.
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Pic. 2. Test position.
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Pic. 3. Test position.
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Pic. 4. Double ultrasonic probes with ballast.
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Pic. 5. Double ultrasonic probes with ballast.
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Pic. 6. Left side we can see test result "top" part of piston, and right side "bottom". Axis X are value angular, and axis Y are value decibel.
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Pic. 7. Digital ultrasonic defectoscope.
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