NASA NTRS · 19930000528
Monitoring Weld Penetration Optically From Within Torch
Abstract
Photodetector or optical fiber leading to photodetector mounted inside gas/tungsten arc welding torch to monitor arc light reflected from oscillating surface of weld pool. Proposed optical monitoring components preserve compact profile of welding torch, maintained in fixed aim at weld-pool position at end of welding torch, and protected against bumping external objects.
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Smith, Matthew A., Gilbert, Jeffrey L., Linsacum, Deron L., Gutlow, David A.. 1993-09-01. Monitoring Weld Penetration Optically From Within Torch. https://ntrs.nasa.gov/citations/19930000528
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