Accuracy measuring apparatus for machine tool

Details Accuracy measuring apparatus for machine tool Accuracy measuring apparatus for machine tool

2005-01-11

2005-01-11

Bennett, G. Bradley (Department: 2859)

Geometrical instruments

Gauge

With calibration device or gauge for nuclear reactor element

C033S645000, C382S152000

Reexamination Certificate

active

06839975

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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Patent Abstracts of Japan, Publication No. 10-138097, dated May 26, 1998.

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