Dynamic artefact comparison

Details Dynamic artefact comparison Dynamic artefact comparison

2006-07-18

2006-07-18

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Position measurement

Reexamination Certificate

active

07079969

ABSTRACT:
A method of inspecting a series of workpieces using a coordinate measuring apparatus, comprising the steps of: measuring a calibrated artefact on a coordinate measuring apparatus at a fast speed28; generating an error map corresponding to the difference between the calibrated artefact and the measured artefact30; measuring subsequent workpieces at the same fast speed34and correcting the measurements of the subsequent workpieces using the error map36. The artefact may be one of the workpieces.

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