Method for scanning the surface of a workpiece

Details Method for scanning the surface of a workpiece Method for scanning the surface of a workpiece

2011-03-22

2011-03-22

Johnson, Amy Cohen (Department: 2841)

Geometrical instruments

Gauge

With support for gauged article

C033S551000, C033S556000, C033S503000, C702S095000

Reexamination Certificate

active

07908759

ABSTRACT:
A method for measuring a surface profile using a surface sensing device mounted on an articulating probe head in which the probe head is moved along a nominal path relative to the surface profile, an at least approximation of the surface normal of the surface profile, the surface profile is sensed with the surface sensing device and the distance or force of the surface sensing device relative to the surface profile substantially in the direction of the surface normal. The surface normal may be determined by approximating at least one section to a curved profile which can be mathematically parameterised.

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Ainsworth, I. et al., “CAD-Based Measurement Path Planning For Free-Form Shapes Using Contact Probes,” The International Journal of Advanced Manufacturing Technology, vol. 16, No. 1, pp. 23-31, Jan. 2000.

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