NON DESTRUCTIVE EVALUATION SCANNING PROBE WITH SELF-CONTAINED MULTI-AXIS POSITION ENCODER

摘要

A scanning probe for an industrial nondestructive evaluation (NDE) ultrasound or eddy current scanning system. The scanning probe gathers reflected waveform data indicative of internal characteristics of the test object. The scanning probe also includes a self-contained multi-axis position encoder that correlates both multi-dimensional probe underside translation and rotation motion across the test sample surface with the multi-dimensional spatial location on the test object surface. The position encoder compensates for probe rotation that would otherwise negatively impact probe position determination accuracy. A data acquisition system combines sets of positional and waveform data for processing by an NDE analyzer.

主权项

1. A reflected penetrating waveform scanning probe for nondestructive evaluation of a non-living test sample, comprising:
a housing having an underside for abutment against and multi-dimensional translation across a surface of a non-living test sample, and having directed outwardly toward the surface:
a test sensor system for transmitting a penetrating waveform into the test sample, receiving a reflected waveform from the test sample at a multi-dimensional spatial location on the test object surface and generating reflected waveform data corresponding to that location; anda probe position encoder system that correlates multi-dimensional probe underside translation and rotation motion across the test sample surface with the multi-dimensional spatial location on the test object surface and that generates corresponding multi-dimensional spatial location data; and a scan data acquisition system, coupled to the test sensor and encoder systems, for receiving and correlating corresponding reflected waveform data at the location with its corresponding multi-dimensional spatial location data in a scan data set, and for sending the scan data set to a nondestructive evaluation analyzer.