Reference object for coordinate measuring machines and machine t

Details Reference object for coordinate measuring machines and machine t Reference object for coordinate measuring machines and machine t

1996-03-04

1999-11-16

Bennett, G. Bradley

Geometrical instruments

Gauge

With calibration device or gauge for nuclear reactor element

33567, B25H 702

Patent

active

059835125

ABSTRACT:
The invention relates to a low-cost, low-weight, highly stable reference object, easy to handle, for the measurement of the errors of geometry of coordinate measuring machines and machine tools. The reference object consists of an array of probing elements in the form of rings, spheres, or flats, each representing reference points by means of their surface geometry. The probing elements are glued between two panes of a geometrically stable material, establishing a firm connection between these panes. Holes in the panes enable the measuring probe of the machine under inspection to probe the reference elements' surfaces. The resulting box-type structure of the reference object gives it the said advantages of low weight, low price, and high stability.

REFERENCES:
patent: 2536629 (1951-01-01), De Sousa
patent: 2621807 (1952-12-01), Rendich
patent: 3315365 (1967-04-01), Aldeborgh
patent: 3846917 (1974-11-01), Blakey
patent: 4360974 (1982-11-01), De Cuissart
patent: 5560408 (1996-10-01), DiFranco

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