Reference fixture for roundness measuring instrument

Details Reference fixture for roundness measuring instrument Reference fixture for roundness measuring instrument

2005-05-03

2005-05-03

Bennett, G. Bradley (Department: 2859)

Geometrical instruments

Gauge

With calibration device or gauge for nuclear reactor element

C033S550000, C073S001790

Reexamination Certificate

active

06886264

ABSTRACT:
A reference fixture (20) for a roundness measuring instrument performs acquisition of origin information of a roundness measuring instrument (1) including a workpiece rotary mechanism (3) on which a workpiece is set and a probe (14) provided with a stylus (14a) and also performs calibration of the probe (14). The reference fixture (20) includes a mount (21), a calibration master (22) provided on a top face of the mount (21) for calibrating the sensitivity of the probe (14), an origin ball (23) disposed above the calibration master (22) for providing the origin information of the roundness measuring instrument (1) by the stylus (14a) of the probe (14), and a holder (25) that holds the origin ball (23).

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patent: 11-339052 (1999-12-01), None
patent: 2000-331171 (2000-11-01), None
patent: 2004-108883 (2004-04-01), None

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