Method and apparatus for determining precision of numerically co

Details Method and apparatus for determining precision of numerically co Method and apparatus for determining precision of numerically co

1983-09-15

1987-05-05

Little, Willis

Geometrical instruments

Area integrators

Electrical

33172D, 33546, 33551, G01B 728

Patent

active

046620745

ABSTRACT:
A system for determining the precision of a numerically controlled machine ool involves setting the machine tool control to define a circular path. A circular standard is then aligned with the machine tool to sense the desired circular path. A continuous or pointwise sensing, as a function of whether a path-controlled or a point-by-point-controlled machine is being measured, of the aligned standard is performed. A faulty machine tool does not accurately cover the defined circular path. Variations from the desired circle can be plotted and used for evaluation.

REFERENCES:
patent: 3259989 (1966-07-01), Wilson
patent: 3400463 (1968-09-01), Barringer
patent: 3432932 (1969-03-01), Oellerick et al.
patent: 3481043 (1969-12-01), Esch
patent: 3615143 (1971-10-01), Barr et al.
patent: 3826011 (1974-07-01), D'Aniello
patent: 3950858 (1976-04-01), Donner et al.
patent: 4070762 (1978-01-01), Siddall
patent: 4389789 (1983-06-01), Meyer, Jr.

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