Testing device and method of determining the uncertainty of meas

Details Testing device and method of determining the uncertainty of meas Testing device and method of determining the uncertainty of meas

1988-10-12

1989-12-05

Haroian, Harry N.

Geometrical instruments

Gauge

With calibration device or gauge for nuclear reactor element

33644, G01B 525

Patent

active

048843482

ABSTRACT:
A testing device for use in determining the uncertainty of measurement of a coordinate-measuring instrument comprises a support which can be placed on the measurement table of the coordinate-measuring instrument; the support contains a plurality of locating fastening elements which receive a test standard in different orientations within the measurement range of the coordinate-measuring instrument. The test standard is a ball rod which has a ball fixed to the opposite ends of an elongate body. One end of the ball rod is mounted to the support in a pivot/swivel bearing that is so structured as to permit free measuring-probe access to contact the ball at the thus-mounted end of the ball rod.

REFERENCES:
patent: 4435905 (1984-03-01), Bryan
patent: 4437151 (1984-03-01), Hurt et al.
patent: 4492036 (1985-01-01), Beckwith
Precision Engineering, vol. 4, No. 2, Apr. 1982, pp. 61-69.
Technisches Messen, 51 Jahrgang Heft 3, 1984, pp. 83-95.

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