Calibration system for large tooling fixtures
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United States of America Patent
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May 26, 1998
Issued Date -
N/A
app pub date -
Mar 6, 1997
filing date -
Sep 7, 1995
priority date (Note) -
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Abstract
A method for determining the position of a laser projector relative to a large tool includes the use of posts having several reference points. The rotating tool is preferably also provided with a plurality of reference points. At least two of the reference points are spaced by a known distance. By identifying the location of the reference points, a control for the system is able to calibrate where the reference points are relative to the laser projectors. In this way, the laser projector is able to calibrate itself relative to the reference points on the large tool. The invention improves upon the prior art in that the location of the reference points need not be fixed relative to the workpiece. Instead, the system will initially determine the position of the reference points based upon known distances between the reference points.
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