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What is Acoustic Resonant Testing (ART)?
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Simple, reliable, continous non-destructive part testing method
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100% inspection (whole part, every part)
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Extends to process monitoring
How does ART work?
Step One: An industrial instrumented hammer impacts the part with a measured and repeatable force. The impact causes the part to ring.
Step Two: Audible and inaudible sounds are measured by the microphone.
Step Three: A spectrum analyzer performs a Fast Fourier Transform on the measured data. A computer then translates this into a spectral line that is displayed using specialized software.
Step Four: NDT-RAM software compares the results to acceptable limits and accepts or rejects the part accordingly.
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