Accuracy measuring apparatus for machine tool
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United States of America Patent
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-
Jan 11, 2005
Grant Date -
Jun 12, 2003
app pub date -
Oct 11, 2002
filing date -
Oct 15, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to an accuracy measuring apparatus which is capable of efficiently measuring the accuracies of a machine tool at low costs. The accuracy measuring apparatus (1) comprises a laser oscillator (2) attached to a spindle (15) of the machine tool (10) for projecting a light beam having an axis aligning with the axis of the spindle, a CCD camera (3) disposed in opposed relation to the laser oscillator (2) for receiving the light beam projected from the laser oscillator (2) and generating two-dimensional image data, and an analyzer (4) for analyzing the image data to determine the accuracies of the machine tool (10).
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