Defect detection system for identifying defects in weld seams

Details Defect detection system for identifying defects in weld seams Defect detection system for identifying defects in weld seams

2006-06-12

2011-10-25

Nghiem, Michael (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

C702S036000

Reexamination Certificate

active

08046178

ABSTRACT:
A defect detection system identifies defects in weld seams. An exemplary system includes a scanner device, mounted on a displacement device of a processing unit and which can be displaced by the unit over at least one weld seam that is to be examined. The scanner unit scans the weld seam using a predefinable frequency, each scanning sweep being correlated with a time signal. The time signal is used to record the point in time when at least one location containing defects is scanned. An analysis module determines the co-ordinates of the defects from the signals that are obtained by the scanning sweeps and stores the co-ordinates of the defects and transmits them to a localisation module. The localisation module determines the spatial arrangement of the defects of the weld seam by evaluating a speed profile of the displacement device during the scanning sweeps, the time signal and the co-ordinates.

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International Search Report for PCT/EP2006/005597 dated Sep. 25, 2006.

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